Граф коммитов

132246 Коммитов

Автор SHA1 Сообщение Дата
Vegard Nossum cbb766766f mm: fix lazy vmap purging (use-after-free error)
I just got this new warning from kmemcheck:

    WARNING: kmemcheck: Caught 32-bit read from freed memory (c7806a60)
    a06a80c7ecde70c1a04080c700000000a06709c1000000000000000000000000
     f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f
     ^

    Pid: 0, comm: swapper Not tainted (2.6.29-rc4 #230)
    EIP: 0060:[<c1096df7>] EFLAGS: 00000286 CPU: 0
    EIP is at __purge_vmap_area_lazy+0x117/0x140
    EAX: 00070f43 EBX: c7806a40 ECX: c1677080 EDX: 00027b66
    ESI: 00002001 EDI: c170df0c EBP: c170df00 ESP: c178830c
     DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
    CR0: 80050033 CR2: c7806b14 CR3: 01775000 CR4: 00000690
    DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
    DR6: 00004000 DR7: 00000000
     [<c1096f3e>] free_unmap_vmap_area_noflush+0x6e/0x70
     [<c1096f6a>] remove_vm_area+0x2a/0x70
     [<c1097025>] __vunmap+0x45/0xe0
     [<c10970de>] vunmap+0x1e/0x30
     [<c1008ba5>] text_poke+0x95/0x150
     [<c1008ca9>] alternatives_smp_unlock+0x49/0x60
     [<c171ef47>] alternative_instructions+0x11b/0x124
     [<c171f991>] check_bugs+0xbd/0xdc
     [<c17148c5>] start_kernel+0x2ed/0x360
     [<c171409e>] __init_begin+0x9e/0xa9
     [<ffffffff>] 0xffffffff

It happened here:

    $ addr2line -e vmlinux -i c1096df7
    mm/vmalloc.c:540

Code:

	list_for_each_entry(va, &valist, purge_list)
		__free_vmap_area(va);

It's this instruction:

    mov    0x20(%ebx),%edx

Which corresponds to a dereference of va->purge_list.next:

    (gdb) p ((struct vmap_area *) 0)->purge_list.next
    Cannot access memory at address 0x20

It seems that we should use "safe" list traversal here, as the element
is freed inside the loop. Please verify that this is the right fix.

Acked-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: <stable@kernel.org>		[2.6.28.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27 16:26:21 -08:00
Nick Piggin 7766970cc1 mm: vmap fix overflow
The new vmap allocator can wrap the address and get confused in the case
of large allocations or VMALLOC_END near the end of address space.

Problem reported by Christoph Hellwig on a 32-bit XFS workload.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Reported-by: Christoph Hellwig <hch@lst.de>
Cc: <stable@kernel.org>		[2.6.28.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27 16:26:21 -08:00
David Howells 5170836679 Fix recursive lock in free_uid()/free_user_ns()
free_uid() and free_user_ns() are corecursive when CONFIG_USER_SCHED=n,
but free_user_ns() is called from free_uid() by way of uid_hash_remove(),
which requires uidhash_lock to be held.  free_user_ns() then calls
free_uid() to complete the destruction.

Fix this by deferring the destruction of the user_namespace.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27 16:26:21 -08:00
Herton Ronaldo Krzesinski 8ca2f156b0 w1: add missing Kconfig/Makefile entries for DS2431 slave driver
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27 16:26:21 -08:00
Benny Halevy adc487204a EXPORT_SYMBOL(d_obtain_alias) rather than EXPORT_SYMBOL_GPL
Commit 4ea3ada295 declares d_obtain_alias()
as EXPORT_SYMBOL_GPL where it's supposed to replace d_alloc_anon which was
previously declared as EXPORT_SYMBOL and thus available to any loadable
module.

This patch reverts that.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27 16:26:20 -08:00
Ben Gardner dca17146f4 w1_ds2433: clear the validcrc flag after a write
The w1_ds2433 driver does not read from the hardware if the CRC was valid
on the last read.  The validcrc flag should be cleared after a write so
that the new value can be read.

Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-02-27 16:26:20 -08:00
Vikram Pandita e747951240 USB: musb: fix srp sysfs entry deletion
The SRP sysfs attribute is dependent on gadget mode; any
gadget may support SRP.  But "rmmod musb_hdrc" didn't
remove that attribute; fix.

Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Acked-by: Felipe Balbi <me@felipebalbi.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:51 -08:00
Anand Gadiyar 5c23c9078f USB: musb: resume suspended root hub on disconnect
If this is not done, khubd will not be informed of the disconnect
and will assume the device is still there.

Easily seen when a hub is connected with no device attached to it;
it will autosuspend.  When the hub is disconnected, it still shows
up in /proc/bus/usb/devices

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Acked-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:51 -08:00
Sergei Shtylyov 136733d612 USB: musb: use right poll limit for low speed devices
Remove wrongly applied upper limit on the interrupt transfer
interval for low speed devices (not much of an error per se,
according to USB specs).

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:51 -08:00
Sergei Shtylyov 3ecdb9acf3 USB: musb: be careful with 64K+ transfer lengths, host side
Feeding 32-bit length cast down to 'u16' to min() to calculate the FIFO
count in musb_host_tx() risks sending a short packet prematurely for
transfer sizes over 64 KB.

Similarly, although data transfer size shouldn't exceed 65535 bytes for
the control endpoint, making musb_h_ep0_continue() more robust WRT URBs
with possibly oversized buffer will not hurt either...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:51 -08:00
Sergei Shtylyov 51d9f3e100 USB: musb: fix data toggle saving with shared FIFO
For some strange reason the host side musb_giveback() decides
that it's always got an IN transfer when the hardware endpoint
is using a shared FIFO.  This causes musb_save_toggle() to read
the toggle state from the RXCSR register instead of TXCSR, and
may also cause unneeded reloading of RX endpoint registers.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:51 -08:00
Sergei Shtylyov dc61d238b8 USB: musb: host endpoint_disable() oops fixes
The musb_h_disable() routine can oops in some cases:

 - It's not safe to read hep->hcpriv outside musb->lock,
   since it gets changed on completion IRQ paths.

 - The list iterators aren't safe to use in that way;
   just remove the first element while !list_empty(),
   so deletions on other code paths can't make trouble.

We need two "scrub the list" loops because only one branch
should touch hardware and advance the schedule.

[ dbrownell@users.sourceforge.net: massively simplify
  patch description; add key points as code comments ]

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:51 -08:00
Sergei Shtylyov a2fd814e6a USB: musb: fix urb_dequeue() method
The urb_dequeue() method forgets to unlink 'struct musb_qh' from the
control or bulk schedules when the URB being cancelled is the only
one queued to its endpoint.  That will cause musb_advance_schedule()
to block once it reaches 'struct musb_qh' with now empty URB list, so
URBs queued for other endpoints after the one being dequeued will not
be served.

Fix by unlinking the QH from the list except when it's already being
handled (typically by musb_giveback).  Since a QH with an empty URB
list is now supposed to be freed, do that.  And remove a now-useless
check from musb_advance_schedule().

[ dbrownell@users.sourceforge.net: update patch description,
  and fold in a dequeue() comment patch ]

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:51 -08:00
Dmitry Krivoschekov b7bdcb79de USB: musb: fix musb_host_tx() for shared endpoint FIFO
The input queue should be used for TX on endpoints which
share FIFO hardware.  The host TX path wasn't doing that.

Shared FIFOs are most often configured for periodic endpoints,
which are mostly used for RX/IN transfers ... that's probably
how this bug managed to linger for a long time.

[ dbrownell@users.sourceforge.net: update patch description ]

Signed-off-by: Dmitry Krivoschekov <dkrivoschekov@ru.mvista.com>
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:51 -08:00
Felipe Balbi c2c963217b USB: musb: be careful with 64K+ transfer lengths (gadget side)
request->actual is an unsigned and we should use the same
variable type for fifo_count otherwise we might lose some
data if request->length >= 64kbytes.

[ dbrownell@users.sourceforge.net: fix compiler warning ]

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:51 -08:00
David Brownell 34f32c9701 usb: musb: make Davinci *work* in mainline
Now that the musb build fixes for DaVinci got merged (RC3?), kick in
the other bits needed to get it finally *working* in mainline:

 - Use clk_enable()/clk_disable() ... the "always enable USB clocks"
   code this originally relied on has since been removed.

 - Initialize the USB device only after the relevant I2C GPIOs are
   available, so the host side can properly enable VBUS.

 - Tweak init sequencing to cope with mainline's relatively late init
   of the I2C system bus for power switches, transceivers, and so on.

Sanity tested on DM6664 EVM for host and peripheral modes; that system
won't boot with CONFIG_PM enabled, so OTG can't yet be tested.  Also
verified on OMAP3.

(Unrelated:  correct the MODULE_PARM_DESC spelling of musb_debug.)

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Felipe Balbi <me@felipebalbi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:51 -08:00
Alan Stern 67f5a4ba97 USB: usb_get_string should check the descriptor type
This patch (as1218) fixes a problem with a radio-control joystick used
in the "walkera 4#3" helicopter.  This device responds to the initial
Get-String-Descriptor request for string 0 (which is really the list
of supported languages) by sending its config descriptor!  The
usb_get_string() routine needs to check whether it got the right
type of descriptor.

Oddly enough, this sort of check is already present in
usb_get_descriptor().  The patch changes the error code from -EPROTO
to -ENODATA, because -EPROTO shows up in so many other contexts to
indicate a hardware failure rather than a firmware error.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Guillermo Jarabo <williamjap@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

===================================================================
2009-02-27 14:40:50 -08:00
David Brownell 54b9ed35ae USB: gadget: fix build error in omap_apollon_2420_defconfig
In apollon case, it only used udc, so udc configuration should select
USB_OTG_UTILS also.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:50 -08:00
Alan Stern ce459ec1d2 USB: g_file_storage: automatically disable stalls under Atmel
This patch (as1220) automatically disables stalls when g_file_storage
finds itself running with an Atmel device controller, because the
Atmel hardware/driver isn't capable of halting bulk endpoints
correctly.

Reported-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:50 -08:00
Alan Stern 5126a2674d USB: usb-storage: add IGNORE_RESIDUE flag for Genesys Logic adapters
This patch (as1219) adds the IGNORE_RESIDUE flag to the unusual_devs
entries for Genesys Logic's USB-IDE adapter.  Although this device
usually gets the residue correct, there is one command crucial to the
operation of CD and DVD drives which it messes up.

Tested-by: Mike Lampard <mike@mtgambier.net>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:50 -08:00
Adam Richter c332b4e1bf USB: Quirk for Hummingbird huc56s / Conexant ACM modem
Signed-off-by: Adam J. Richter <adam_richter2004@yahoo.com>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:50 -08:00
Patrik Kullman 5d7a4755d5 USB: serial: add support for second revision of Ericsson F3507G WWAN card
I noticed that my revision of the F3507G WWAN card isn't listed in
drivers/usb/serial/option.c

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:50 -08:00
Dmitriy Taychenachev 155df65ae1 USB: cdc-acm: add usb id for motomagx phones
The Motorola MOTOMAGX phones (Z6, E8, Zn5 so far) are providing
combined ACM/BLAN USB configuration. Since it has Vendor Specific
class, the corresponding drivers (cdc-acm, zaurus) can't find it just
by interface info. This patch adds usb id so the cdc-acm driver can
properly handle this combined device.

Signed-off-by: Dmitriy Taychenachev <dimichxp@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:50 -08:00
Jesse Sung 28fb66821f USB: option: add BenQ 3g modem information
This patch addes the BenQ 3g modem support to the option driver.


From: Jesse Sung <jsung@novell.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:50 -08:00
Felipe Balbi 29a46bf6f4 usb: gadget: obex: select correct ep descriptors
We where selecting wrong ep descriptors causing
some troubles while sending files over obex interface.

The problem was a typo while usb_find_endpoint() was being
called for HS endpoints.

Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:50 -08:00
Karsten Wiese 9aa09d2f8f USB: EHCI: slow down ITD reuse
Currently ITDs are immediately recycled whenever their URB completes.
However, EHCI hardware can sometimes remember some ITD state.  This
means that when the ITD is reused before end-of-frame it may sometimes
cause the hardware to reference bogus state.

This patch defers reusing such ITDs by moving them into a new ehci member
cached_itd_list. ITDs resting in cached_itd_list are moved back into their
stream's free_list once scan_periodic() detects that the active frame has
elapsed.

This makes the snd_usb_us122l driver (in kernel since .28) work right
when it's hooked up through EHCI.

[ dbrownell@users.sourceforge.net: comment fixups ]

Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Tested-by: Philippe Carriere <philippe-f.carriere@wanadoo.fr>
Tested-by: Federico Briata <federicobriata@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:50 -08:00
Li Yang 9a6e184c80 USB: fsl_usb2_udc: fix potential queue head corruption
Clear next TD field and status field in queue head initialization code
to prevent unpredictable result caused by residue of usb reset.

Signed-off-by: Li Yang <leoli@freescale.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 14:40:50 -08:00
Pekka Enberg acfa5110b8 Staging: w35und: fix usb_control_msg() error handling in wb35_probe()
If successful, the usb_control_msg() function returns the number of
bytes transferred. Fix up wb35_probe() to only bail out if the function returns
a negative number. Also, fix up ieee80211_alloc_hw() error code to ENOMEM;
otherwise GCC complains that err might be undefined (and is right about that).

Acked-by: Pavel Machek <pavel@suse.cz>
Reported-and-tested-by: Sandro Bonazzola <sandro.bonazzola@gmail.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 12:56:24 -08:00
Pavel Machek 05e361cae5 Staging: w35und: fix registration with wlan stack
Initialize few more fields in wireless device structure so that
wireless core actually accepts our registration.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 12:56:24 -08:00
Costantino Leandro 5789813e73 Staging: panel: fix oops on panel_cleanup_module
Check for null pardevice (not registered, ej: panel never attached,
inexistent parport, etc. )  before calling parport_release,
parport_unregister_device, and related funcs on module release.

Signed-off-by: Costantino Leandro <lcostantino@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 12:56:24 -08:00
leandro Costantino 096c55d1de Staging: rtl8187se: Fix oops and memory poison caused by builtin ieee80211.
when modprobe and removing rtl8187se ( just for testing, i do not have
that card , and oops and a memory poison error happens on the builtin
ieee80211 of that driver.  I dont know if they will port it to the
current ieeee80221 instead of the builtin ones, but just in case i
attach a proposed fix for that problem.

- Change for loop on ieee80211_crypto_deinit for list_for_each_safe to
  remove items. Is there an spinlock needed here?
- Call ieee80211_crypto_deinit after exiting all registerd crypto protocols.


Signed-off-by: Costantino Leandro <lcostantino@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 12:56:23 -08:00
Randy Dunlap 69e09c983e Staging: rtl8187se: fix Kconfig dependencies
rtl8187se uses wireless extensions so it needs to depend on
WIRELESS_EXT (or select it).

rtl8187se uses fields in struct net_device that are only present
if CONFIG_COMPAT_NET_DEV_OPS=y, so it needs to depend on
that symbol also.

drivers/staging/rtl8187se/r8180_core.c:5973: error: 'struct net_device' has no member named 'wireless_handlers'
drivers/staging/rtl8187se/r8180_core.c:5982: error: 'struct net_device' has no member named 'wireless_handlers'

drivers/staging/rtl8187se/r8180_core.c:201: error: 'struct net_device' has no member named 'stop'
drivers/staging/rtl8187se/r8180_core.c:4584: error: 'struct net_device' has no member named 'get_stats'
drivers/staging/rtl8187se/r8180_core.c:5969: error: 'struct net_device' has no member named 'open'
drivers/staging/rtl8187se/r8180_core.c:5970: error: 'struct net_device' has no member named 'stop'
drivers/staging/rtl8187se/r8180_core.c:5972: error: 'struct net_device' has no member named 'tx_timeout'
drivers/staging/rtl8187se/r8180_core.c:5974: error: 'struct net_device' has no member named 'do_ioctl'
drivers/staging/rtl8187se/r8180_core.c:5975: error: 'struct net_device' has no member named 'set_multicast_list'
drivers/staging/rtl8187se/r8180_core.c:5976: error: 'struct net_device' has no member named 'set_mac_address'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-02-27 12:56:23 -08:00
Ralf Baechle 5312dc6bc0 Revert "MIPS: Print irq handler description"
This reverts commit 558d1de8ba.
2009-02-27 17:56:35 +00:00
Ralf Baechle dbda6ac089 MIPS: CVE-2009-0029: Enable syscall wrappers.
Thanks to David Daney helping with debugging and testing.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
2009-02-27 17:56:35 +00:00
Roel Kluin 4b0d3f5c28 MIPS: Alchemy: In plat_time_init() t reaches -1, tested: 0
With a postfix decrement t reaches -1 rather than 0, so the fall-back will
not occur.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: mano@roarinelk.homelinux.net
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-02-27 17:56:34 +00:00
David Daney 5e6833892e MIPS: Only allow Cavium OCTEON to be configured for boards that support it
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
CC: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-02-27 17:56:34 +00:00
Takashi Iwai bb543c9694 ALSA: hda - Add quirk for new HP xw series
Added model=hp-bpc for new HP xw series (103c:170b).

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-02-27 17:44:07 +01:00
Takashi Iwai ea18aa4644 ALSA: hda - Fix digital mic on dell-m4-1 and dell-m4-3
Fix num_dmuxes initialization for dell-m4-1 and dell-m4-3 models
of IDT 92HD71bxx codec, which was wrongly set to zero.

Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-02-27 17:36:33 +01:00
Rini van Zetten 7958a45310 gianfar: Do right check on num_txbdfree
This patch fixes a wrong check on num_txbdfree. It could lead to
num_txbdfree become nagative.  Result was that the gianfar stops
sending data.

Changes from first version :
- removed a space between parens (David Millers comment)
- full email address in signed off line

Signed-off-by: Rini van Zetten <rini@arvoo.nl>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-27 03:18:48 -08:00
Jarek Poplawski 1844f74794 pkt_sched: sch_drr: Fix oops in drr_change_class.
drr_change_class lacks a check for NULL of tca[TCA_OPTIONS], so oops
is possible.

Reported-by: Denys Fedoryschenko <denys@visp.net.lb>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-27 02:42:38 -08:00
Dhaval Giani 54e9912428 sched: don't allow setuid to succeed if the user does not have rt bandwidth
Impact: fix hung task with certain (non-default) rt-limit settings

Corey Hickey reported that on using setuid to change the uid of a
rt process, the process would be unkillable and not be running.
This is because there was no rt runtime for that user group. Add
in a check to see if a user can attach an rt task to its task group.
On failure, return EINVAL, which is also returned in
CONFIG_CGROUP_SCHED.

Reported-by: Corey Hickey <bugfood-ml@fatooh.org>
Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-27 11:11:53 +01:00
Paul Mundt 08c2f5b4d7 sh: ap325rxa: Revert ov772x support.
This change depends on some v4l changes that have been pushed back to
2.6.30, so drop this and fall back on the old soc_camera code until then.

Reported-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Acked-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-02-27 15:41:14 +09:00
Michael Buesch e92aa634a3 b44: Disable device on shutdown
Disable the SSB core on device shutdown.
This has two advantages:
1) A clean device shutdown is always desired here, because we disable
  the device's global crystal in the next statement.
2) This fixes a bug where the device will come up with the enable-bit
  set on the next initialization (without a reboot inbetween).
  This causes breakage on the second initialization due to code that
  checks this bit (ssb_device_is_enabled() checks).

Reported-by: Pantelis Koukousoulas <pktoss@gmail.com>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-26 22:35:02 -08:00
Michael Buesch f8af11af85 b44: Unconditionally enable interrupt routing on reset
Unconditionally setup the IRQ routing on chip reset.
It's safe to call ssb_pcicore_dev_irqvecs_enable() unconditionally, because
it has internal checks for redundant calls.

This fixes problems where hardware will not come up properly
due to quirks in the enable-bit hardware.

Reported-by: Pantelis Koukousoulas <pktoss@gmail.com>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-26 22:33:00 -08:00
Randy Dunlap 9b58027bc2 net: fix hp-plus build error
hp-plus needs to call __alloc_eip_netdev() instead of
__alloc_ei_netdev() since it is linked with 8390p.o.

Fixes this build error:
ERROR: "__alloc_ei_netdev" [drivers/net/hp-plus.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-02-26 21:02:19 -08:00
Uwe Bugla b391d0f08f V4L/DVB (10696): Remove outdated README for the flexcop-driver
This patch removes an outdated README for the flexcop-driver.

Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-02-26 22:29:19 -03:00
Uwe Bugla f5a3258335 V4L/DVB (10695): Update Technisat card documentation
Fixes for documentation of Technisat-based cards

Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-02-26 22:29:18 -03:00
Patrick Boettcher 382c5546d6 V4L/DVB (10694): [PATCH] software IRQ watchdog for Flexcop B2C2 DVB PCI cards
With (some) Technisat cards you cannot run multiple DVB applications
in parallel and switch the channel at the same time.

There seems to be a problem on the interfaces or even inside the flexcop-device
that can't handle interruption on the streaming interface.

This patch adds a watchdog to check whether data is supposed to come in
(streaming PIDs are requested) and if no data is seen within 400ms (default) it
resets the streaming/pid-filtering hardware.

This patch is urgently needed to support the rev 2.8 of the hardware and solves
problem occassionally seen on older hardware.

Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-02-26 22:29:18 -03:00
Guennadi Liakhovetski 0ad675eb45 V4L/DVB (10663): soc-camera: fix S_CROP breakage on PXA and SuperH
Recent format-negotiation patches caused S_CROP breakage in pxa_camera.c
and sh_mobile_ceu_camera.c drivers, fix it.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-02-26 22:29:18 -03:00
Nicola Soranzo 7662b00c37 V4L/DVB (10659): em28xx: register device to soundcard for sysfs
As explained in "Writing an ALSA driver" (T. Iwai), audio drivers should
set the struct device for the card before registering the card instance.
This will add the correct /sys/class/sound/cardN/device symlink, so HAL
can see the device and ConsoleKit sets its ACL permissions for the
logged-in user.

For em28xx audio capture cards found e.g. in Hauppauge WinTV-HVR-900 (R2),
this patch fixes errors like:

ALSA lib pcm_hw.c:1429:(_snd_pcm_hw_open) Invalid value for card
Error opening audio: Permission denied

when running mplayer as a normal user.

Signed-off-by: Nicola Soranzo <nsoranzo@tiscali.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-02-26 22:29:18 -03:00