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WSL2-Linux-Kernel
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netdev: use non-racy method for proc entries creation 

Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data
be setup before gluing PDE to main tree.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Denis V. Lunev 2008-04-29 01:02:29 -07:00 коммит произвёл Linus Torvalds
Родитель cf7acfab03
Коммит a95609cb02
6 изменённых файлов: 43 добавлений и 72 удалений
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9
drivers/net/bonding/bond_main.c
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@ -3282,17 +3282,14 @@ static int bond_create_proc_entry(struct bonding *bond)
struct net_device *bond_dev = bond->dev;
if (bond_proc_dir) {
bond->proc_entry = create_proc_entry(bond_dev->name,
S_IRUGO,
bond_proc_dir);
bond->proc_entry = proc_create_data(bond_dev->name,
S_IRUGO, bond_proc_dir,
&bond_info_fops, bond);
if (bond->proc_entry == NULL) {
printk(KERN_WARNING DRV_NAME
": Warning: Cannot create /proc/net/%s/%s\n",
DRV_NAME, bond_dev->name);
} else {
bond->proc_entry->data = bond;
bond->proc_entry->proc_fops = &bond_info_fops;
bond->proc_entry->owner = THIS_MODULE;
memcpy(bond->proc_file_name, bond_dev->name, IFNAMSIZ);
}
}

9
drivers/net/ibmveth.c
Просмотреть файл

@ -1302,13 +1302,10 @@ static void ibmveth_proc_register_adapter(struct ibmveth_adapter *adapter)
if (ibmveth_proc_dir) {
char u_addr[10];
sprintf(u_addr, "%x", adapter->vdev->unit_address);
entry = create_proc_entry(u_addr, S_IFREG, ibmveth_proc_dir);
if (!entry) {
entry = proc_create_data(u_addr, S_IFREG, ibmveth_proc_dir,
&ibmveth_proc_fops, adapter);
if (!entry)
ibmveth_error_printk("Cannot create adapter proc entry");
} else {
entry->data = (void *) adapter;
entry->proc_fops = &ibmveth_proc_fops;
}
}
return;
}

5
drivers/net/irda/vlsi_ir.c
Просмотреть файл

@ -1674,13 +1674,12 @@ vlsi_irda_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (vlsi_proc_root != NULL) {
struct proc_dir_entry *ent;
ent = create_proc_entry(ndev->name, S_IFREG|S_IRUGO, vlsi_proc_root);
ent = proc_create_data(ndev->name, S_IFREG|S_IRUGO,
vlsi_proc_root, VLSI_PROC_FOPS, ndev);
if (!ent) {
IRDA_WARNING("%s: failed to create proc entry\n",
__FUNCTION__);
} else {
ent->data = ndev;
ent->proc_fops = VLSI_PROC_FOPS;
ent->size = 0;
}
idev->proc_entry = ent;

4
drivers/net/pppoe.c
Просмотреть файл

@ -1052,11 +1052,9 @@ static int __init pppoe_proc_init(void)
{
struct proc_dir_entry *p;
p = create_proc_entry("pppoe", S_IRUGO, init_net.proc_net);
p = proc_net_fops_create(&init_net, "pppoe", S_IRUGO, &pppoe_seq_fops);
if (!p)
return -ENOMEM;
p->proc_fops = &pppoe_seq_fops;
return 0;
}
#else /* CONFIG_PROC_FS */

4
drivers/net/pppol2tp.c
Просмотреть файл

@ -2469,12 +2469,12 @@ static int __init pppol2tp_init(void)
goto out_unregister_pppol2tp_proto;
#ifdef CONFIG_PROC_FS
pppol2tp_proc = create_proc_entry("pppol2tp", 0, init_net.proc_net);
pppol2tp_proc = proc_net_fops_create(&init_net, "pppol2tp", 0,
&pppol2tp_proc_fops);
if (!pppol2tp_proc) {
err = -ENOMEM;
goto out_unregister_pppox_proto;
}
pppol2tp_proc->proc_fops = &pppol2tp_proc_fops;
#endif /* CONFIG_PROC_FS */
printk(KERN_INFO "PPPoL2TP kernel driver, %s\n",
PPPOL2TP_DRV_VERSION);

84
drivers/net/wireless/airo.c
Просмотреть файл

@ -4347,24 +4347,28 @@ static int proc_config_open( struct inode *inode, struct file *file );
static int proc_wepkey_open( struct inode *inode, struct file *file );
static const struct file_operations proc_statsdelta_ops = {
.owner = THIS_MODULE,
.read = proc_read,
.open = proc_statsdelta_open,
.release = proc_close
};
static const struct file_operations proc_stats_ops = {
.owner = THIS_MODULE,
.read = proc_read,
.open = proc_stats_open,
.release = proc_close
};
static const struct file_operations proc_status_ops = {
.owner = THIS_MODULE,
.read = proc_read,
.open = proc_status_open,
.release = proc_close
};
static const struct file_operations proc_SSID_ops = {
.owner = THIS_MODULE,
.read = proc_read,
.write = proc_write,
.open = proc_SSID_open,
@ -4372,6 +4376,7 @@ static const struct file_operations proc_SSID_ops = {
};
static const struct file_operations proc_BSSList_ops = {
.owner = THIS_MODULE,
.read = proc_read,
.write = proc_write,
.open = proc_BSSList_open,
@ -4379,6 +4384,7 @@ static const struct file_operations proc_BSSList_ops = {
};
static const struct file_operations proc_APList_ops = {
.owner = THIS_MODULE,
.read = proc_read,
.write = proc_write,
.open = proc_APList_open,
@ -4386,6 +4392,7 @@ static const struct file_operations proc_APList_ops = {
};
static const struct file_operations proc_config_ops = {
.owner = THIS_MODULE,
.read = proc_read,
.write = proc_write,
.open = proc_config_open,
@ -4393,6 +4400,7 @@ static const struct file_operations proc_config_ops = {
};
static const struct file_operations proc_wepkey_ops = {
.owner = THIS_MODULE,
.read = proc_read,
.write = proc_write,
.open = proc_wepkey_open,
@ -4411,10 +4419,6 @@ struct proc_data {
void (*on_close) (struct inode *, struct file *);
};
#ifndef SETPROC_OPS
#define SETPROC_OPS(entry, ops) (entry)->proc_fops = &(ops)
#endif
static int setup_proc_entry( struct net_device *dev,
struct airo_info *apriv ) {
struct proc_dir_entry *entry;
@ -4430,100 +4434,76 @@ static int setup_proc_entry( struct net_device *dev,
apriv->proc_entry->owner = THIS_MODULE;
/* Setup the StatsDelta */
entry = create_proc_entry("StatsDelta",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry);
entry = proc_create_data("StatsDelta",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry, &proc_statsdelta_ops, dev);
if (!entry)
goto fail_stats_delta;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_statsdelta_ops);
/* Setup the Stats */
entry = create_proc_entry("Stats",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry);
entry = proc_create_data("Stats",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry, &proc_stats_ops, dev);
if (!entry)
goto fail_stats;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_stats_ops);
/* Setup the Status */
entry = create_proc_entry("Status",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry);
entry = proc_create_data("Status",
S_IFREG | (S_IRUGO&proc_perm),
apriv->proc_entry, &proc_status_ops, dev);
if (!entry)
goto fail_status;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_status_ops);
/* Setup the Config */
entry = create_proc_entry("Config",
S_IFREG | proc_perm,
apriv->proc_entry);
entry = proc_create_data("Config",
S_IFREG | proc_perm,
apriv->proc_entry, &proc_config_ops, dev);
if (!entry)
goto fail_config;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_config_ops);
/* Setup the SSID */
entry = create_proc_entry("SSID",
S_IFREG | proc_perm,
apriv->proc_entry);
entry = proc_create_data("SSID",
S_IFREG | proc_perm,
apriv->proc_entry, &proc_SSID_ops, dev);
if (!entry)
goto fail_ssid;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_SSID_ops);
/* Setup the APList */
entry = create_proc_entry("APList",
S_IFREG | proc_perm,
apriv->proc_entry);
entry = proc_create_data("APList",
S_IFREG | proc_perm,
apriv->proc_entry, &proc_APList_ops, dev);
if (!entry)
goto fail_aplist;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_APList_ops);
/* Setup the BSSList */
entry = create_proc_entry("BSSList",
S_IFREG | proc_perm,
apriv->proc_entry);
entry = proc_create_data("BSSList",
S_IFREG | proc_perm,
apriv->proc_entry, &proc_BSSList_ops, dev);
if (!entry)
goto fail_bsslist;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_BSSList_ops);
/* Setup the WepKey */
entry = create_proc_entry("WepKey",
S_IFREG | proc_perm,
apriv->proc_entry);
entry = proc_create_data("WepKey",
S_IFREG | proc_perm,
apriv->proc_entry, &proc_wepkey_ops, dev);
if (!entry)
goto fail_wepkey;
entry->uid = proc_uid;
entry->gid = proc_gid;
entry->data = dev;
entry->owner = THIS_MODULE;
SETPROC_OPS(entry, proc_wepkey_ops);
return 0;