microsoft
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WSL2-Linux-Kernel
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[PATCH] sem2mutex: misc static one-file mutexes 

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Dave Jones <davej@codemonkey.org.uk>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Jens Axboe <axboe@suse.de>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Acked-by: Alasdair G Kergon <agk@redhat.com>
Cc: Greg KH <greg@kroah.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-03-26 01:37:14 -08:00 коммит произвёл Linus Torvalds
Родитель 353ab6e97b
Коммит 14cc3e2b63
20 изменённых файлов: 172 добавлений и 157 удалений
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12
arch/arm26/kernel/traps.c
Просмотреть файл

@ -34,7 +34,7 @@
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
#include <asm/semaphore.h>
#include <linux/mutex.h>
#include "ptrace.h"
@ -207,19 +207,19 @@ void die_if_kernel(const char *str, struct pt_regs *regs, int err)
die(str, regs, err);
}
static DECLARE_MUTEX(undef_sem);
static DEFINE_MUTEX(undef_mutex);
static int (*undef_hook)(struct pt_regs *);
int request_undef_hook(int (*fn)(struct pt_regs *))
{
int ret = -EBUSY;
down(&undef_sem);
mutex_lock(&undef_mutex);
if (undef_hook == NULL) {
undef_hook = fn;
ret = 0;
}
up(&undef_sem);
mutex_unlock(&undef_mutex);
return ret;
}
@ -228,12 +228,12 @@ int release_undef_hook(int (*fn)(struct pt_regs *))
{
int ret = -EINVAL;
down(&undef_sem);
mutex_lock(&undef_mutex);
if (undef_hook == fn) {
undef_hook = NULL;
ret = 0;
}
up(&undef_sem);
mutex_unlock(&undef_mutex);
return ret;
}

9
arch/i386/kernel/cpu/cpufreq/powernow-k8.c
Просмотреть файл

@ -40,6 +40,7 @@
#ifdef CONFIG_X86_POWERNOW_K8_ACPI
#include <linux/acpi.h>
#include <linux/mutex.h>
#include <acpi/processor.h>
#endif
@ -49,7 +50,7 @@
#include "powernow-k8.h"
/* serialize freq changes */
static DECLARE_MUTEX(fidvid_sem);
static DEFINE_MUTEX(fidvid_mutex);
static struct powernow_k8_data *powernow_data[NR_CPUS];
@ -943,17 +944,17 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
if (cpufreq_frequency_table_target(pol, data->powernow_table, targfreq, relation, &newstate))
goto err_out;
down(&fidvid_sem);
mutex_lock(&fidvid_mutex);
powernow_k8_acpi_pst_values(data, newstate);
if (transition_frequency(data, newstate)) {
printk(KERN_ERR PFX "transition frequency failed\n");
ret = 1;
up(&fidvid_sem);
mutex_unlock(&fidvid_mutex);
goto err_out;
}
up(&fidvid_sem);
mutex_unlock(&fidvid_mutex);
pol->cur = find_khz_freq_from_fid(data->currfid);
ret = 0;

13
arch/i386/kernel/cpu/mtrr/main.c
Просмотреть файл

@ -36,6 +36,7 @@
#include <linux/pci.h>
#include <linux/smp.h>
#include <linux/cpu.h>
#include <linux/mutex.h>
#include <asm/mtrr.h>
@ -47,7 +48,7 @@
u32 num_var_ranges = 0;
unsigned int *usage_table;
static DECLARE_MUTEX(mtrr_sem);
static DEFINE_MUTEX(mtrr_mutex);
u32 size_or_mask, size_and_mask;
@ -333,7 +334,7 @@ int mtrr_add_page(unsigned long base, unsigned long size,
/* No CPU hotplug when we change MTRR entries */
lock_cpu_hotplug();
/* Search for existing MTRR */
down(&mtrr_sem);
mutex_lock(&mtrr_mutex);
for (i = 0; i < num_var_ranges; ++i) {
mtrr_if->get(i, &lbase, &lsize, &ltype);
if (base >= lbase + lsize)
@ -371,7 +372,7 @@ int mtrr_add_page(unsigned long base, unsigned long size,
printk(KERN_INFO "mtrr: no more MTRRs available\n");
error = i;
out:
up(&mtrr_sem);
mutex_unlock(&mtrr_mutex);
unlock_cpu_hotplug();
return error;
}
@ -464,7 +465,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size)
max = num_var_ranges;
/* No CPU hotplug when we change MTRR entries */
lock_cpu_hotplug();
down(&mtrr_sem);
mutex_lock(&mtrr_mutex);
if (reg < 0) {
/* Search for existing MTRR */
for (i = 0; i < max; ++i) {
@ -503,7 +504,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size)
set_mtrr(reg, 0, 0, 0);
error = reg;
out:
up(&mtrr_sem);
mutex_unlock(&mtrr_mutex);
unlock_cpu_hotplug();
return error;
}
@ -685,7 +686,7 @@ void mtrr_ap_init(void)
if (!mtrr_if || !use_intel())
return;
/*
* Ideally we should hold mtrr_sem here to avoid mtrr entries changed,
* Ideally we should hold mtrr_mutex here to avoid mtrr entries changed,
* but this routine will be called in cpu boot time, holding the lock
* breaks it. This routine is called in two cases: 1.very earily time
* of software resume, when there absolutely isn't mtrr entry changes;

7
arch/i386/kernel/microcode.c
Просмотреть файл

@ -81,6 +81,7 @@
#include <linux/miscdevice.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
#include <linux/mutex.h>
#include <asm/msr.h>
#include <asm/uaccess.h>
@ -114,7 +115,7 @@ MODULE_LICENSE("GPL");
static DEFINE_SPINLOCK(microcode_update_lock);
/* no concurrent ->write()s are allowed on /dev/cpu/microcode */
static DECLARE_MUTEX(microcode_sem);
static DEFINE_MUTEX(microcode_mutex);
static void __user *user_buffer; /* user area microcode data buffer */
static unsigned int user_buffer_size; /* it's size */
@ -444,7 +445,7 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_
return -EINVAL;
}
down(&microcode_sem);
mutex_lock(&microcode_mutex);
user_buffer = (void __user *) buf;
user_buffer_size = (int) len;
@ -453,7 +454,7 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_
if (!ret)
ret = (ssize_t)len;
up(&microcode_sem);
mutex_unlock(&microcode_mutex);
return ret;
}

63
arch/mips/lasat/sysctl.c
Просмотреть файл

@ -30,12 +30,13 @@
#include <linux/string.h>
#include <linux/net.h>
#include <linux/inet.h>
#include <linux/mutex.h>
#include <asm/uaccess.h>
#include "sysctl.h"
#include "ds1603.h"
static DECLARE_MUTEX(lasat_info_sem);
static DEFINE_MUTEX(lasat_info_mutex);
/* Strategy function to write EEPROM after changing string entry */
int sysctl_lasatstring(ctl_table *table, int *name, int nlen,
@ -43,17 +44,17 @@ int sysctl_lasatstring(ctl_table *table, int *name, int nlen,
void *newval, size_t newlen, void **context)
{
int r;
down(&lasat_info_sem);
mutex_lock(&lasat_info_mutex);
r = sysctl_string(table, name,
nlen, oldval, oldlenp, newval, newlen, context);
if (r < 0) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return r;
}
if (newval && newlen) {
lasat_write_eeprom_info();
}
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return 1;
}
@ -63,14 +64,14 @@ int proc_dolasatstring(ctl_table *table, int write, struct file *filp,
void *buffer, size_t *lenp, loff_t *ppos)
{
int r;
down(&lasat_info_sem);
mutex_lock(&lasat_info_mutex);
r = proc_dostring(table, write, filp, buffer, lenp, ppos);
if ( (!write) || r) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return r;
}
lasat_write_eeprom_info();
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return 0;
}
@ -79,14 +80,14 @@ int proc_dolasatint(ctl_table *table, int write, struct file *filp,
void *buffer, size_t *lenp, loff_t *ppos)
{
int r;
down(&lasat_info_sem);
mutex_lock(&lasat_info_mutex);
r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
if ( (!write) || r) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return r;
}
lasat_write_eeprom_info();
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return 0;
}
@ -98,7 +99,7 @@ int proc_dolasatrtc(ctl_table *table, int write, struct file *filp,
void *buffer, size_t *lenp, loff_t *ppos)
{
int r;
down(&lasat_info_sem);
mutex_lock(&lasat_info_mutex);
if (!write) {
rtctmp = ds1603_read();
/* check for time < 0 and set to 0 */
@ -107,11 +108,11 @@ int proc_dolasatrtc(ctl_table *table, int write, struct file *filp,
}
r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
if ( (!write) || r) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return r;
}
ds1603_set(rtctmp);
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return 0;
}
#endif
@ -122,16 +123,16 @@ int sysctl_lasat_intvec(ctl_table *table, int *name, int nlen,
void *newval, size_t newlen, void **context)
{
int r;
down(&lasat_info_sem);
mutex_lock(&lasat_info_mutex);
r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen, context);
if (r < 0) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return r;
}
if (newval && newlen) {
lasat_write_eeprom_info();
}
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return 1;
}
@ -142,19 +143,19 @@ int sysctl_lasat_rtc(ctl_table *table, int *name, int nlen,
void *newval, size_t newlen, void **context)
{
int r;
down(&lasat_info_sem);
mutex_lock(&lasat_info_mutex);
rtctmp = ds1603_read();
if (rtctmp < 0)
rtctmp = 0;
r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen, context);
if (r < 0) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return r;
}
if (newval && newlen) {
ds1603_set(rtctmp);
}
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return 1;
}
#endif
@ -192,13 +193,13 @@ int proc_lasat_ip(ctl_table *table, int write, struct file *filp,
return 0;
}
down(&lasat_info_sem);
mutex_lock(&lasat_info_mutex);
if (write) {
len = 0;
p = buffer;
while (len < *lenp) {
if(get_user(c, p++)) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return -EFAULT;
}
if (c == 0 || c == '\n')
@ -209,7 +210,7 @@ int proc_lasat_ip(ctl_table *table, int write, struct file *filp,
len = sizeof(proc_lasat_ipbuf) - 1;
if (copy_from_user(proc_lasat_ipbuf, buffer, len))
{
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return -EFAULT;
}
proc_lasat_ipbuf[len] = 0;
@ -230,12 +231,12 @@ int proc_lasat_ip(ctl_table *table, int write, struct file *filp,
len = *lenp;
if (len)
if(copy_to_user(buffer, proc_lasat_ipbuf, len)) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return -EFAULT;
}
if (len < *lenp) {
if(put_user('\n', ((char *) buffer) + len)) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return -EFAULT;
}
len++;
@ -244,7 +245,7 @@ int proc_lasat_ip(ctl_table *table, int write, struct file *filp,
*ppos += len;
}
update_bcastaddr();
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return 0;
}
#endif /* defined(CONFIG_INET) */
@ -256,10 +257,10 @@ static int sysctl_lasat_eeprom_value(ctl_table *table, int *name, int nlen,
{
int r;
down(&lasat_info_sem);
mutex_lock(&lasat_info_mutex);
r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen, context);
if (r < 0) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return r;
}
@ -271,7 +272,7 @@ static int sysctl_lasat_eeprom_value(ctl_table *table, int *name, int nlen,
lasat_write_eeprom_info();
lasat_init_board_info();
}
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return 0;
}
@ -280,10 +281,10 @@ int proc_lasat_eeprom_value(ctl_table *table, int write, struct file *filp,
void *buffer, size_t *lenp, loff_t *ppos)
{
int r;
down(&lasat_info_sem);
mutex_lock(&lasat_info_mutex);
r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
if ( (!write) || r) {
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return r;
}
if (filp && filp->f_dentry)
@ -294,7 +295,7 @@ int proc_lasat_eeprom_value(ctl_table *table, int write, struct file *filp,
lasat_board_info.li_eeprom_info.debugaccess = lasat_board_info.li_debugaccess;
}
lasat_write_eeprom_info();
up(&lasat_info_sem);
mutex_unlock(&lasat_info_mutex);
return 0;
}

18
arch/powerpc/mm/imalloc.c
Просмотреть файл

@ -13,12 +13,12 @@
#include <asm/uaccess.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/semaphore.h>
#include <linux/mutex.h>
#include <asm/cacheflush.h>
#include "mmu_decl.h"
static DECLARE_MUTEX(imlist_sem);
static DEFINE_MUTEX(imlist_mutex);
struct vm_struct * imlist = NULL;
static int get_free_im_addr(unsigned long size, unsigned long *im_addr)
@ -257,7 +257,7 @@ struct vm_struct * im_get_free_area(unsigned long size)
struct vm_struct *area;
unsigned long addr;
down(&imlist_sem);
mutex_lock(&imlist_mutex);
if (get_free_im_addr(size, &addr)) {
printk(KERN_ERR "%s() cannot obtain addr for size 0x%lx\n",
__FUNCTION__, size);
@ -272,7 +272,7 @@ struct vm_struct * im_get_free_area(unsigned long size)
__FUNCTION__, addr, size);
}
next_im_done:
up(&imlist_sem);
mutex_unlock(&imlist_mutex);
return area;
}
@ -281,9 +281,9 @@ struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size,
{
struct vm_struct *area;
down(&imlist_sem);
mutex_lock(&imlist_mutex);
area = __im_get_area(v_addr, size, criteria);
up(&imlist_sem);
mutex_unlock(&imlist_mutex);
return area;
}
@ -297,17 +297,17 @@ void im_free(void * addr)
printk(KERN_ERR "Trying to %s bad address (%p)\n", __FUNCTION__, addr);
return;
}
down(&imlist_sem);
mutex_lock(&imlist_mutex);
for (p = &imlist ; (tmp = *p) ; p = &tmp->next) {
if (tmp->addr == addr) {
*p = tmp->next;
unmap_vm_area(tmp);
kfree(tmp);
up(&imlist_sem);
mutex_unlock(&imlist_mutex);
return;
}
}
up(&imlist_sem);
mutex_unlock(&imlist_mutex);
printk(KERN_ERR "Trying to %s nonexistent area (%p)\n", __FUNCTION__,
addr);
}

22
arch/powerpc/platforms/cell/spu_base.c
Просмотреть файл

@ -32,7 +32,7 @@
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/semaphore.h>
#include <linux/mutex.h>
#include <asm/spu.h>
#include <asm/mmu_context.h>
@ -342,7 +342,7 @@ spu_free_irqs(struct spu *spu)
}
static LIST_HEAD(spu_list);
static DECLARE_MUTEX(spu_mutex);
static DEFINE_MUTEX(spu_mutex);
static void spu_init_channels(struct spu *spu)
{
@ -382,7 +382,7 @@ struct spu *spu_alloc(void)
{
struct spu *spu;
down(&spu_mutex);
mutex_lock(&spu_mutex);
if (!list_empty(&spu_list)) {
spu = list_entry(spu_list.next, struct spu, list);
list_del_init(&spu->list);
@ -391,7 +391,7 @@ struct spu *spu_alloc(void)
pr_debug("No SPU left\n");
spu = NULL;
}
up(&spu_mutex);
mutex_unlock(&spu_mutex);
if (spu)
spu_init_channels(spu);
@ -402,9 +402,9 @@ EXPORT_SYMBOL_GPL(spu_alloc);
void spu_free(struct spu *spu)
{
down(&spu_mutex);
mutex_lock(&spu_mutex);
list_add_tail(&spu->list, &spu_list);
up(&spu_mutex);
mutex_unlock(&spu_mutex);
}
EXPORT_SYMBOL_GPL(spu_free);
@ -633,14 +633,14 @@ static int __init create_spu(struct device_node *spe)
spu->wbox_callback = NULL;
spu->stop_callback = NULL;
down(&spu_mutex);
mutex_lock(&spu_mutex);
spu->number = number++;
ret = spu_request_irqs(spu);
if (ret)
goto out_unmap;
list_add(&spu->list, &spu_list);
up(&spu_mutex);
mutex_unlock(&spu_mutex);
pr_debug(KERN_DEBUG "Using SPE %s %02x %p %p %p %p %d\n",
spu->name, spu->isrc, spu->local_store,
@ -648,7 +648,7 @@ static int __init create_spu(struct device_node *spe)
goto out;
out_unmap:
up(&spu_mutex);
mutex_unlock(&spu_mutex);
spu_unmap(spu);
out_free:
kfree(spu);
@ -668,10 +668,10 @@ static void destroy_spu(struct spu *spu)
static void cleanup_spu_base(void)
{
struct spu *spu, *tmp;
down(&spu_mutex);
mutex_lock(&spu_mutex);
list_for_each_entry_safe(spu, tmp, &spu_list, list)
destroy_spu(spu);
up(&spu_mutex);
mutex_unlock(&spu_mutex);
}
module_exit(cleanup_spu_base);

7
arch/powerpc/platforms/powermac/cpufreq_64.c
Просмотреть файл

@ -21,6 +21,7 @@
#include <linux/cpufreq.h>
#include <linux/init.h>
#include <linux/completion.h>
#include <linux/mutex.h>
#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/irq.h>
@ -90,7 +91,7 @@ static void (*g5_switch_volt)(int speed_mode);
static int (*g5_switch_freq)(int speed_mode);
static int (*g5_query_freq)(void);
static DECLARE_MUTEX(g5_switch_mutex);
static DEFINE_MUTEX(g5_switch_mutex);
static struct smu_sdbp_fvt *g5_fvt_table; /* table of op. points */
@ -327,7 +328,7 @@ static int g5_cpufreq_target(struct cpufreq_policy *policy,
if (g5_pmode_cur == newstate)
return 0;
down(&g5_switch_mutex);
mutex_lock(&g5_switch_mutex);
freqs.old = g5_cpu_freqs[g5_pmode_cur].frequency;
freqs.new = g5_cpu_freqs[newstate].frequency;
@ -337,7 +338,7 @@ static int g5_cpufreq_target(struct cpufreq_policy *policy,
rc = g5_switch_freq(newstate);
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
up(&g5_switch_mutex);
mutex_unlock(&g5_switch_mutex);
return rc;
}

9
drivers/macintosh/smu.c
Просмотреть файл

@ -35,6 +35,7 @@
#include <linux/delay.h>
#include <linux/sysdev.h>
#include <linux/poll.h>
#include <linux/mutex.h>
#include <asm/byteorder.h>
#include <asm/io.h>
@ -92,7 +93,7 @@ struct smu_device {
* for now, just hard code that
*/
static struct smu_device *smu;
static DECLARE_MUTEX(smu_part_access);
static DEFINE_MUTEX(smu_part_access);
static void smu_i2c_retry(unsigned long data);
@ -976,11 +977,11 @@ struct smu_sdbp_header *__smu_get_sdb_partition(int id, unsigned int *size,
if (interruptible) {
int rc;
rc = down_interruptible(&smu_part_access);
rc = mutex_lock_interruptible(&smu_part_access);
if (rc)
return ERR_PTR(rc);
} else
down(&smu_part_access);
mutex_lock(&smu_part_access);
part = (struct smu_sdbp_header *)get_property(smu->of_node,
pname, size);
@ -990,7 +991,7 @@ struct smu_sdbp_header *__smu_get_sdb_partition(int id, unsigned int *size,
if (part != NULL && size)
*size = part->len << 2;
}
up(&smu_part_access);
mutex_unlock(&smu_part_access);
return part;
}

16
drivers/md/kcopyd.c
Просмотреть файл

@ -590,51 +590,51 @@ static void client_del(struct kcopyd_client *kc)
up(&_client_lock);
}
static DECLARE_MUTEX(kcopyd_init_lock);
static DEFINE_MUTEX(kcopyd_init_lock);
static int kcopyd_clients = 0;
static int kcopyd_init(void)
{
int r;
down(&kcopyd_init_lock);
mutex_lock(&kcopyd_init_lock);
if (kcopyd_clients) {
/* Already initialized. */
kcopyd_clients++;
up(&kcopyd_init_lock);
mutex_unlock(&kcopyd_init_lock);
return 0;
}
r = jobs_init();
if (r) {
up(&kcopyd_init_lock);
mutex_unlock(&kcopyd_init_lock);
return r;
}
_kcopyd_wq = create_singlethread_workqueue("kcopyd");
if (!_kcopyd_wq) {
jobs_exit();
up(&kcopyd_init_lock);
mutex_unlock(&kcopyd_init_lock);
return -ENOMEM;
}
kcopyd_clients++;
INIT_WORK(&_kcopyd_work, do_work, NULL);
up(&kcopyd_init_lock);
mutex_unlock(&kcopyd_init_lock);
return 0;
}
static void kcopyd_exit(void)
{
down(&kcopyd_init_lock);
mutex_lock(&kcopyd_init_lock);
kcopyd_clients--;
if (!kcopyd_clients) {
jobs_exit();
destroy_workqueue(_kcopyd_wq);
_kcopyd_wq = NULL;
}
up(&kcopyd_init_lock);
mutex_unlock(&kcopyd_init_lock);
}
int kcopyd_client_create(unsigned int nr_pages, struct kcopyd_client **result)

7
drivers/net/wan/dscc4.c
Просмотреть файл

@ -105,6 +105,7 @@
#include <linux/delay.h>
#include <net/syncppp.h>
#include <linux/hdlc.h>
#include <linux/mutex.h>
/* Version */
static const char version[] = "$Id: dscc4.c,v 1.173 2003/09/20 23:55:34 romieu Exp $ for Linux\n";
@ -112,7 +113,7 @@ static int debug;
static int quartz;
#ifdef CONFIG_DSCC4_PCI_RST
static DECLARE_MUTEX(dscc4_sem);
static DEFINE_MUTEX(dscc4_mutex);
static u32 dscc4_pci_config_store[16];
#endif
@ -1018,7 +1019,7 @@ static void dscc4_pci_reset(struct pci_dev *pdev, void __iomem *ioaddr)
{
int i;
down(&dscc4_sem);
mutex_lock(&dscc4_mutex);
for (i = 0; i < 16; i++)
pci_read_config_dword(pdev, i << 2, dscc4_pci_config_store + i);
@ -1039,7 +1040,7 @@ static void dscc4_pci_reset(struct pci_dev *pdev, void __iomem *ioaddr)
for (i = 0; i < 16; i++)
pci_write_config_dword(pdev, i << 2, dscc4_pci_config_store[i]);
up(&dscc4_sem);
mutex_unlock(&dscc4_mutex);
}
#else
#define dscc4_pci_reset(pdev,ioaddr) do {} while (0)

19
drivers/parport/share.c
Просмотреть файл

@ -32,6 +32,7 @@
#include <linux/kmod.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <asm/irq.h>
#undef PARPORT_PARANOID
@ -50,7 +51,7 @@ static DEFINE_SPINLOCK(full_list_lock);
static LIST_HEAD(drivers);
static DECLARE_MUTEX(registration_lock);
static DEFINE_MUTEX(registration_lock);
/* What you can do to a port that's gone away.. */
static void dead_write_lines (struct parport *p, unsigned char b){}
@ -158,11 +159,11 @@ int parport_register_driver (struct parport_driver *drv)
if (list_empty(&portlist))
get_lowlevel_driver ();
down(&registration_lock);
mutex_lock(&registration_lock);
list_for_each_entry(port, &portlist, list)
drv->attach(port);
list_add(&drv->list, &drivers);
up(&registration_lock);
mutex_unlock(&registration_lock);
return 0;
}
@ -188,11 +189,11 @@ void parport_unregister_driver (struct parport_driver *drv)
{
struct parport *port;
down(&registration_lock);
mutex_lock(&registration_lock);
list_del_init(&drv->list);
list_for_each_entry(port, &portlist, list)
drv->detach(port);
up(&registration_lock);
mutex_unlock(&registration_lock);
}
static void free_port (struct parport *port)
@ -366,7 +367,7 @@ void parport_announce_port (struct parport *port)
#endif
parport_proc_register(port);
down(&registration_lock);
mutex_lock(&registration_lock);
spin_lock_irq(&parportlist_lock);
list_add_tail(&port->list, &portlist);
for (i = 1; i < 3; i++) {
@ -383,7 +384,7 @@ void parport_announce_port (struct parport *port)
if (slave)
attach_driver_chain(slave);
}
up(&registration_lock);
mutex_unlock(&registration_lock);
}
/**
@ -409,7 +410,7 @@ void parport_remove_port(struct parport *port)
{
int i;
down(&registration_lock);
mutex_lock(&registration_lock);
/* Spread the word. */
detach_driver_chain (port);
@ -436,7 +437,7 @@ void parport_remove_port(struct parport *port)
}
spin_unlock(&parportlist_lock);
up(&registration_lock);
mutex_unlock(&registration_lock);
parport_proc_unregister(port);

12
drivers/pci/hotplug/rpadlpar_core.c
Просмотреть файл

@ -19,7 +19,7 @@
#include <linux/string.h>
#include <asm/pci-bridge.h>
#include <asm/semaphore.h>
#include <linux/mutex.h>
#include <asm/rtas.h>
#include <asm/vio.h>
@ -27,7 +27,7 @@
#include "rpaphp.h"
#include "rpadlpar.h"
static DECLARE_MUTEX(rpadlpar_sem);
static DEFINE_MUTEX(rpadlpar_mutex);
#define DLPAR_MODULE_NAME "rpadlpar_io"
@ -300,7 +300,7 @@ int dlpar_add_slot(char *drc_name)
int node_type;
int rc = -EIO;
if (down_interruptible(&rpadlpar_sem))
if (mutex_lock_interruptible(&rpadlpar_mutex))
return -ERESTARTSYS;
/* Find newly added node */
@ -324,7 +324,7 @@ int dlpar_add_slot(char *drc_name)
printk(KERN_INFO "%s: slot %s added\n", DLPAR_MODULE_NAME, drc_name);
exit:
up(&rpadlpar_sem);
mutex_unlock(&rpadlpar_mutex);
return rc;
}
@ -417,7 +417,7 @@ int dlpar_remove_slot(char *drc_name)
int node_type;
int rc = 0;
if (down_interruptible(&rpadlpar_sem))
if (mutex_lock_interruptible(&rpadlpar_mutex))
return -ERESTARTSYS;
dn = find_dlpar_node(drc_name, &node_type);
@ -439,7 +439,7 @@ int dlpar_remove_slot(char *drc_name)
}
printk(KERN_INFO "%s: slot %s removed\n", DLPAR_MODULE_NAME, drc_name);
exit:
up(&rpadlpar_sem);
mutex_unlock(&rpadlpar_mutex);
return rc;
}

19
drivers/pci/hotplug/sgi_hotplug.c
Просмотреть файл

@ -15,6 +15,7 @@
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/types.h>
#include <linux/mutex.h>
#include <asm/sn/addrs.h>
#include <asm/sn/l1.h>
@ -81,7 +82,7 @@ static struct hotplug_slot_ops sn_hotplug_slot_ops = {
.get_power_status = get_power_status,
};
static DECLARE_MUTEX(sn_hotplug_sem);
static DEFINE_MUTEX(sn_hotplug_mutex);
static ssize_t path_show (struct hotplug_slot *bss_hotplug_slot,
char *buf)
@ -346,7 +347,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
int rc;
/* Serialize the Linux PCI infrastructure */
down(&sn_hotplug_sem);
mutex_lock(&sn_hotplug_mutex);
/*
* Power-on and initialize the slot in the SN
@ -354,7 +355,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
*/
rc = sn_slot_enable(bss_hotplug_slot, slot->device_num);
if (rc) {
up(&sn_hotplug_sem);
mutex_unlock(&sn_hotplug_mutex);
return rc;
}
@ -362,7 +363,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
PCI_DEVFN(slot->device_num + 1, 0));
if (!num_funcs) {
dev_dbg(slot->pci_bus->self, "no device in slot\n");
up(&sn_hotplug_sem);
mutex_unlock(&sn_hotplug_mutex);
return -ENODEV;
}
@ -402,7 +403,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
if (new_ppb)
pci_bus_add_devices(new_bus);
up(&sn_hotplug_sem);
mutex_unlock(&sn_hotplug_mutex);
if (rc == 0)
dev_dbg(slot->pci_bus->self,
@ -422,7 +423,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
int rc;
/* Acquire update access to the bus */
down(&sn_hotplug_sem);
mutex_lock(&sn_hotplug_mutex);
/* is it okay to bring this slot down? */
rc = sn_slot_disable(bss_hotplug_slot, slot->device_num,
@ -450,7 +451,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
PCI_REQ_SLOT_DISABLE);
leaving:
/* Release the bus lock */
up(&sn_hotplug_sem);
mutex_unlock(&sn_hotplug_mutex);
return rc;
}
@ -462,9 +463,9 @@ static inline int get_power_status(struct hotplug_slot *bss_hotplug_slot,
struct pcibus_info *pcibus_info;
pcibus_info = SN_PCIBUS_BUSSOFT_INFO(slot->pci_bus);
down(&sn_hotplug_sem);
mutex_lock(&sn_hotplug_mutex);
*value = pcibus_info->pbi_enabled_devices & (1 << slot->device_num);
up(&sn_hotplug_sem);
mutex_unlock(&sn_hotplug_mutex);
return 0;
}

7
drivers/pnp/isapnp/core.c
Просмотреть файл

@ -42,6 +42,7 @@
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/isapnp.h>
#include <linux/mutex.h>
#include <asm/io.h>
#if 0
@ -92,7 +93,7 @@ MODULE_LICENSE("GPL");
#define _LTAG_FIXEDMEM32RANGE 0x86
static unsigned char isapnp_checksum_value;
static DECLARE_MUTEX(isapnp_cfg_mutex);
static DEFINE_MUTEX(isapnp_cfg_mutex);
static int isapnp_detected;
static int isapnp_csn_count;
@ -903,7 +904,7 @@ int isapnp_cfg_begin(int csn, int logdev)
{
if (csn < 1 || csn > isapnp_csn_count || logdev > 10)
return -EINVAL;
down(&isapnp_cfg_mutex);
mutex_lock(&isapnp_cfg_mutex);
isapnp_wait();
isapnp_key();
isapnp_wake(csn);
@ -929,7 +930,7 @@ int isapnp_cfg_begin(int csn, int logdev)
int isapnp_cfg_end(void)
{
isapnp_wait();
up(&isapnp_cfg_mutex);
mutex_unlock(&isapnp_cfg_mutex);
return 0;
}

39
drivers/s390/char/raw3270.c
Просмотреть файл

@ -28,6 +28,7 @@
#include <linux/major.h>
#include <linux/kdev_t.h>
#include <linux/device.h>
#include <linux/mutex.h>
struct class *class3270;
@ -59,7 +60,7 @@ struct raw3270 {
#define RAW3270_FLAGS_CONSOLE 8 /* Device is the console. */
/* Semaphore to protect global data of raw3270 (devices, views, etc). */
static DECLARE_MUTEX(raw3270_sem);
static DEFINE_MUTEX(raw3270_mutex);
/* List of 3270 devices. */
static struct list_head raw3270_devices = LIST_HEAD_INIT(raw3270_devices);
@ -815,7 +816,7 @@ raw3270_setup_device(struct ccw_device *cdev, struct raw3270 *rp, char *ascebc)
* number for it. Note: there is no device with minor 0,
* see special case for fs3270.c:fs3270_open().
*/
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
/* Keep the list sorted. */
minor = RAW3270_FIRSTMINOR;
rp->minor = -1;
@ -832,7 +833,7 @@ raw3270_setup_device(struct ccw_device *cdev, struct raw3270 *rp, char *ascebc)
rp->minor = minor;
list_add_tail(&rp->list, &raw3270_devices);
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
/* No free minor number? Then give up. */
if (rp->minor == -1)
return -EUSERS;
@ -1003,7 +1004,7 @@ raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor)
if (minor <= 0)
return -ENODEV;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
rc = -ENODEV;
list_for_each_entry(rp, &raw3270_devices, list) {
if (rp->minor != minor)
@ -1024,7 +1025,7 @@ raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor)
spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags);
break;
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return rc;
}
@ -1038,7 +1039,7 @@ raw3270_find_view(struct raw3270_fn *fn, int minor)
struct raw3270_view *view, *tmp;
unsigned long flags;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
view = ERR_PTR(-ENODEV);
list_for_each_entry(rp, &raw3270_devices, list) {
if (rp->minor != minor)
@ -1057,7 +1058,7 @@ raw3270_find_view(struct raw3270_fn *fn, int minor)
spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags);
break;
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return view;
}
@ -1104,7 +1105,7 @@ raw3270_delete_device(struct raw3270 *rp)
struct ccw_device *cdev;
/* Remove from device chain. */
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
if (rp->clttydev)
class_device_destroy(class3270,
MKDEV(IBM_TTY3270_MAJOR, rp->minor));
@ -1112,7 +1113,7 @@ raw3270_delete_device(struct raw3270 *rp)
class_device_destroy(class3270,
MKDEV(IBM_FS3270_MAJOR, rp->minor));
list_del_init(&rp->list);
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
/* Disconnect from ccw_device. */
cdev = rp->cdev;
@ -1208,13 +1209,13 @@ int raw3270_register_notifier(void (*notifier)(int, int))
if (!np)
return -ENOMEM;
np->notifier = notifier;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_add_tail(&np->list, &raw3270_notifier);
list_for_each_entry(rp, &raw3270_devices, list) {
get_device(&rp->cdev->dev);
notifier(rp->minor, 1);
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return 0;
}
@ -1222,14 +1223,14 @@ void raw3270_unregister_notifier(void (*notifier)(int, int))
{
struct raw3270_notifier *np;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_for_each_entry(np, &raw3270_notifier, list)
if (np->notifier == notifier) {
list_del(&np->list);
kfree(np);
break;
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
}
/*
@ -1256,10 +1257,10 @@ raw3270_set_online (struct ccw_device *cdev)
goto failure;
raw3270_create_attributes(rp);
set_bit(RAW3270_FLAGS_READY, &rp->flags);
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_for_each_entry(np, &raw3270_notifier, list)
np->notifier(rp->minor, 1);
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return 0;
failure:
@ -1307,10 +1308,10 @@ raw3270_remove (struct ccw_device *cdev)
}
spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags);
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_for_each_entry(np, &raw3270_notifier, list)
np->notifier(rp->minor, 0);
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
/* Reset 3270 device. */
raw3270_reset_device(rp);
@ -1370,13 +1371,13 @@ raw3270_init(void)
rc = ccw_driver_register(&raw3270_ccw_driver);
if (rc == 0) {
/* Create attributes for early (= console) device. */
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
class3270 = class_create(THIS_MODULE, "3270");
list_for_each_entry(rp, &raw3270_devices, list) {
get_device(&rp->cdev->dev);
raw3270_create_attributes(rp);
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
}
return rc;
}

21
drivers/telephony/phonedev.c
Просмотреть файл

@ -29,6 +29,7 @@
#include <linux/kmod.h>
#include <linux/sem.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/mutex.h>
#define PHONE_NUM_DEVICES 256
@ -37,7 +38,7 @@
*/
static struct phone_device *phone_device[PHONE_NUM_DEVICES];
static DECLARE_MUTEX(phone_lock);
static DEFINE_MUTEX(phone_lock);
/*
* Open a phone device.
@ -53,14 +54,14 @@ static int phone_open(struct inode *inode, struct file *file)
if (minor >= PHONE_NUM_DEVICES)
return -ENODEV;
down(&phone_lock);
mutex_lock(&phone_lock);
p = phone_device[minor];
if (p)
new_fops = fops_get(p->f_op);
if (!new_fops) {
up(&phone_lock);
mutex_unlock(&phone_lock);
request_module("char-major-%d-%d", PHONE_MAJOR, minor);
down(&phone_lock);
mutex_lock(&phone_lock);
p = phone_device[minor];
if (p == NULL || (new_fops = fops_get(p->f_op)) == NULL)
{
@ -78,7 +79,7 @@ static int phone_open(struct inode *inode, struct file *file)
}
fops_put(old_fops);
end:
up(&phone_lock);
mutex_unlock(&phone_lock);
return err;
}
@ -100,18 +101,18 @@ int phone_register_device(struct phone_device *p, int unit)
end = unit + 1; /* enter the loop at least one time */
}
down(&phone_lock);
mutex_lock(&phone_lock);
for (i = base; i < end; i++) {
if (phone_device[i] == NULL) {
phone_device[i] = p;
p->minor = i;
devfs_mk_cdev(MKDEV(PHONE_MAJOR,i),
S_IFCHR|S_IRUSR|S_IWUSR, "phone/%d", i);
up(&phone_lock);
mutex_unlock(&phone_lock);
return 0;
}
}
up(&phone_lock);
mutex_unlock(&phone_lock);
return -ENFILE;
}
@ -121,12 +122,12 @@ int phone_register_device(struct phone_device *p, int unit)
void phone_unregister_device(struct phone_device *pfd)
{
down(&phone_lock);
mutex_lock(&phone_lock);
if (phone_device[pfd->minor] != pfd)
panic("phone: bad unregister");
devfs_remove("phone/%d", pfd->minor);
phone_device[pfd->minor] = NULL;
up(&phone_lock);
mutex_unlock(&phone_lock);
}

11
net/ipv4/ipvs/ip_vs_ctl.c
Просмотреть файл

@ -34,6 +34,7 @@
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4.h>
#include <linux/mutex.h>
#include <net/ip.h>
#include <net/route.h>
@ -44,7 +45,7 @@
#include <net/ip_vs.h>
/* semaphore for IPVS sockopts. And, [gs]etsockopt may sleep. */
static DECLARE_MUTEX(__ip_vs_mutex);
static DEFINE_MUTEX(__ip_vs_mutex);
/* lock for service table */
static DEFINE_RWLOCK(__ip_vs_svc_lock);
@ -1950,7 +1951,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
/* increase the module use count */
ip_vs_use_count_inc();
if (down_interruptible(&__ip_vs_mutex)) {
if (mutex_lock_interruptible(&__ip_vs_mutex)) {
ret = -ERESTARTSYS;
goto out_dec;
}
@ -2041,7 +2042,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
ip_vs_service_put(svc);
out_unlock:
up(&__ip_vs_mutex);
mutex_unlock(&__ip_vs_mutex);
out_dec:
/* decrease the module use count */
ip_vs_use_count_dec();
@ -2211,7 +2212,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
if (copy_from_user(arg, user, get_arglen[GET_CMDID(cmd)]) != 0)
return -EFAULT;
if (down_interruptible(&__ip_vs_mutex))
if (mutex_lock_interruptible(&__ip_vs_mutex))
return -ERESTARTSYS;
switch (cmd) {
@ -2330,7 +2331,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
}
out:
up(&__ip_vs_mutex);
mutex_unlock(&__ip_vs_mutex);
return ret;
}

9
net/ipv4/netfilter/ipt_hashlimit.c
Просмотреть файл

@ -40,6 +40,7 @@
/* FIXME: this is just for IP_NF_ASSERRT */
#include <linux/netfilter_ipv4/ip_conntrack.h>
#include <linux/mutex.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
@ -92,7 +93,7 @@ struct ipt_hashlimit_htable {
};
static DEFINE_SPINLOCK(hashlimit_lock); /* protects htables list */
static DECLARE_MUTEX(hlimit_mutex); /* additional checkentry protection */
static DEFINE_MUTEX(hlimit_mutex); /* additional checkentry protection */
static HLIST_HEAD(hashlimit_htables);
static kmem_cache_t *hashlimit_cachep __read_mostly;
@ -542,13 +543,13 @@ hashlimit_checkentry(const char *tablename,
* call vmalloc, and that can sleep. And we cannot just re-search
* the list of htable's in htable_create(), since then we would
* create duplicate proc files. -HW */
down(&hlimit_mutex);
mutex_lock(&hlimit_mutex);
r->hinfo = htable_find_get(r->name);
if (!r->hinfo && (htable_create(r) != 0)) {
up(&hlimit_mutex);
mutex_unlock(&hlimit_mutex);
return 0;
}
up(&hlimit_mutex);
mutex_unlock(&hlimit_mutex);
/* Ugly hack: For SMP, we only want to use one set */
r->u.master = r;

9
net/netlink/genetlink.c
Просмотреть файл

@ -13,26 +13,27 @@
#include <linux/socket.h>
#include <linux/string.h>
#include <linux/skbuff.h>
#include <linux/mutex.h>
#include <net/sock.h>
#include <net/genetlink.h>
struct sock *genl_sock = NULL;
static DECLARE_MUTEX(genl_sem); /* serialization of message processing */
static DEFINE_MUTEX(genl_mutex); /* serialization of message processing */
static void genl_lock(void)
{
down(&genl_sem);
mutex_lock(&genl_mutex);
}
static int genl_trylock(void)
{
return down_trylock(&genl_sem);
return !mutex_trylock(&genl_mutex);
}
static void genl_unlock(void)
{
up(&genl_sem);
mutex_unlock(&genl_mutex);
if (genl_sock && genl_sock->sk_receive_queue.qlen)
genl_sock->sk_data_ready(genl_sock, 0);