Commit Graph

96550 Commits

Author SHA1 Message Date
Michael Krufky
4bd5d1071d V4L/DVB (7844): tda18271: add tda_fail macro to log error cases
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:06 -03:00
Michael Krufky
10ed0bf4af V4L/DVB (7843): tda18271: fix error handling in tda18271c1_rf_tracking_filter_calibration
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:06 -03:00
Michael Krufky
20f4206379 V4L/DVB (7842): tda18271: fix error handling in tda18271c2_rf_tracking_filters_correction
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:05 -03:00
Michael Krufky
31940e3966 V4L/DVB (7841): tda18271: fix error handling in tda18271_channel_configuration
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:05 -03:00
Michael Krufky
9c41d456e2 V4L/DVB (7840): tda18271: make tda18271_set_standby_mode less verbose for basic debug
Only show debug from tda18271_set_standby_mode if DBG_ADV is set.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:05 -03:00
Michael Krufky
c151c32fd7 V4L/DVB (7839): tda18271: abort rf band calibration loop on errors
Abort rf band calibration loop for the TDA18271HD/C2 if an error is detected.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:04 -03:00
Michael Krufky
24124f784b V4L/DVB (7838): tda18271: fix error handling in tda18271c2_rf_cal_init path
fix error handling in tda18271c2_rf_cal_init immediate path

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:04 -03:00
Michael Krufky
d35fccaffd V4L/DVB (7837): tda18271: fix error handling in init and sleep paths
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:04 -03:00
Ingo Molnar
dc9d522a13 V4L/DVB (7836): cinergyT2 build fix
x86.git testing found the following build bug in v2.6.26-rc1:

  drivers/built-in.o: In function `cinergyt2_probe':
  cinergyT2.c:(.text+0xb6117): undefined reference to `input_allocate_device'
  cinergyT2.c:(.text+0xb6230): undefined reference to `input_register_device'
  cinergyT2.c:(.text+0xb623d): undefined reference to `input_free_device'

with the following config:

  http://redhat.com/~mingo/misc/config-Sun_May__4_22_06_54_CEST_2008.bad

The reason for the bug is that the cinergyT2 driver depends on
CONFIG_INPUT functionality, but if INPUT is modular it's still possible
to build CONFIG_DVB_CINERGYT2=y - which leads to missing symbols.

The solution is to make DVB_CINERGYT2 dependent on INPUT.

[ This solves the build problem - i have not tested the driver on this card. ]

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:03 -03:00
Randy Dunlap
696b9562df V4L/DVB (7835): multimedia/video: fix au0828 Kconfig
Fix undefined references in au0828:
  depends on USB and select VIDEO_TVEEPROM

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:03 -03:00
Ingo Molnar
28dd15b433 V4L/DVB (7834): build fix for drivers/media/video/au0828
x86.git testing found the following build failure in v2.6.26-rc1:

  MODPOST 424 modules
  ERROR: "tveeprom_hauppauge_analog" [drivers/media/video/au0828/au0828.ko] undefined!
  ERROR: "tveeprom_read" [drivers/media/video/au0828/au0828.ko] undefined!

with this config:

  http://redhat.com/~mingo/misc/config-Sat_May__3_22_28_58_CEST_2008.bad

this patch does what other video drivers do to utilize the
VIDEO_TVEEPROM functionality (and this resolves the build problem) - but
i have not checked it on real hardware and i have not checked whether
the fix is complete.

selections, so some items might still be missing - just not triggered
with this specific config.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:03 -03:00
Michael Krufky
f686d8c3b5 V4L/DVB (7832): xc5000: MEDIA_TUNER_XC5000 must select FW_LOADER
Fix the following build error:

drivers/built-in.o: In function `xc_load_fw_and_init_tuner':
xc5000.c:(.text+0x2dacd): undefined reference to `request_firmware'
xc5000.c:(.text+0x2daf0): undefined reference to `release_firmware'
xc5000.c:(.text+0x2db85): undefined reference to `release_firmware'
make[1]: *** [.tmp_vmlinux1] Error 1

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:02 -03:00
Robert Schedel
71a35fe2a3 V4L/DVB (7830): dvb_ca_en50221: Fix High CPU load in 'top' due to budget_av slot polling
This change addresses kernel bug #10459: In kernel 2.6.25 the
budget_av driver polls for an CI slot in 100ms intervals (because no
interrupt solution for budget_av cards is feasible due to HW reasons).
If no CI/CAM is connected to the DVB card, polling times out only after 250ms.
This periodic polling leads to high CPU load.

The change increases the polling interval for empty slots from 100ms to 5s.
Intervals for remaining slot states (invalid, in progress, ready) are unchanged,
as they are either temporary conditions or no timeout should occur.

Signed-off-by: Robert Schedel <r.schedel@yahoo.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:02 -03:00
Michael Krufky
fa146c6dce V4L/DVB (7829): cx23885: remove remaining references to dvb-pll
The cx23885 driver used to use dvb-pll for LG-TDVS-H064F support on the
FusionHDTV5 Express.  This has since been converted to use tuner-simple
instead, once digital tuning support was added to tuner-simple.

Since cx23885 no longer uses dvb-pll, remove the #include "dvb-pll.h",
and the DVB_PLL Kconfig selection.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:02 -03:00
Michael Krufky
36396c8932 V4L/DVB (7828): cx23885: update model matrix for Hauppauge WinTV HVR-1200 & WinTV HVR-1700
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:00 -03:00
Michael Krufky
3c3852cda6 V4L/DVB (7827): cx23885: add missing subsystem ID for Hauppauge HVR-1200 OEM
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:00 -03:00
Michael Krufky
74ee05109c V4L/DVB (7823): em28xx: add additional usb subids for Hauppauge HVR-950
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:00 -03:00
Mauro Carvalho Chehab
ef69c8e88b V4L/DVB (7813): Fix compilation, when V4L1_COMPAT is disabled
This driver uses some sysfs helper functions that are available only for legacy
drivers. It also requires linux/mm.h.

This patch fixes compiliation when not in compat mode.

Thanks to Ingo Molnar for identifying this issue.

Acked-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:54:00 -03:00
Guennadi Liakhovetski
b7eccc404f V4L/DVB (7810): soc_camera: mt9v022 and mt9m001 depend on I2C
Both mt9v022 and mt9m001 cameras are controlled over the I2C bus.
Respectively, their drivers require I2C to be built successfully.
Thanks to Ingo Molnar for reporting the build-breakage.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:53:59 -03:00
Michael Krufky
b4edcc9083 V4L/DVB (7808): cx23885: fix kbuild dependencies
Thanks to Ingo Molnar for finding this.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:53:59 -03:00
Mauro Carvalho Chehab
0590d91c41 V4L/DVB (7807): cx88: Fix error handling, when dvb_attach() fails
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:53:59 -03:00
Mauro Carvalho Chehab
6430a5a368 V4L/DVB (7806): em28xx: dvb_unregister_frontend() shouldn't be called, if not registered yet
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:53:58 -03:00
Mauro Carvalho Chehab
f50090fc94 V4L/DVB (7805): saa7134: dvb_unregister_frontend() shouldn't be called, if not registered yet
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:53:58 -03:00
Mauro Carvalho Chehab
b538d28c2e V4L/DVB (7804): tea5767: Fix error logic
As pointed by Andrew Morton, the error testing were wrong. After reviewing
tea5767, it were returning a positive value for errors.

So, the double errors were cancelling each other.

This patch fix it properly. It also considers any positive value as ok, on
tuner-core.


Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:53:58 -03:00
Mauro Carvalho Chehab
09fee5f821 V4L/DVB (7802): tuner: Failures at tuner_attach were producing OOPS
As reported by Mike Galbraith <efault@gmx.de>:

[   13.666587] TUNER: Unable to find symbol tda829x_probe()
[   13.674638] tuner' 1-004b: chip found @ 0x96 (saa7133[0])
[   13.691175] DVB: Unable to find symbol tda9887_attach()
[   13.698968] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[   13.709509] IP: [<ffffffff80302934>] strlcpy+0x11/0x36
[   13.711135] PGD be167067 PUD be140067 PMD 0
[   13.711137] Oops: 0000 [1] SMP

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:53:57 -03:00
Mauro Carvalho Chehab
d557dab5de V4L/DVB (7801): saa7134: detach frontend, if tuner or Diseqc attach fails
Before this patch, an error at tuner or diseqc were discarded by the driver.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:53:57 -03:00
Andrew Morton
a1355e5301 V4L/DVB (7800): tuner_symbol_probe(): don't do symbol_put() if symbol_request() failed
Because it goes BUG.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-05-14 02:53:56 -03:00
Linus Torvalds
9604006d28 Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] qla1280: Fix queue depth problem
  [SCSI] aha152x: Fix oops on module removal
  [SCSI] aha152x: fix init suspiciously returned 1, it should follow 0/-E convention
  [SCSI] libiscsi regression in 2.6.25: fix setting of recv timer
  [SCSI] libiscsi regression in 2.6.25: fix nop timer handling
  [SCSI] gdth: fix Error: Driver 'gdth' is already registered, aborting...
  [SCSI] gdth: fix timer handling
2008-05-13 11:24:51 -07:00
Linus Torvalds
25c55d9720 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
  ACPI/PCI: another multiple _OSC memory leak fix
  x86/PCI: X86_PAT & mprotect
  PCI: enable nv_msi_ht_cap_quirk for ALi bridges
  PCI: Make the intel-iommu_wait_op macro work when jiffies are not running
  ACPI/PCI: handle multiple _OSC
  ACPI/PCI: handle multiple _OSC
  x86/PCI: fix broken ISA DMA
  PCI ACPI: fix uninitialized variable in __pci_osc_support_set
2008-05-13 10:48:35 -07:00
Jeremy Higdon
af5741c6de [SCSI] qla1280: Fix queue depth problem
The qla1280 driver was ANDing the output value of mailbox register
0 with (1 << target-number) to determine whether to enable queueing
on the target in question.

But mailbox register 0 has the status code for the mailbox command
(in this case, Set Target Parameters).  Potential values are:
/*
 * ISP mailbox command complete status codes
 */

So clearly that is in error.  I can't think what the author of that
line was looking for in a mailbox register, so I just eliminated the
AND.  flag is used later in the function, and I think that the later
usage was also wrong, though it was used to set values that aren't
used.  Oh well, an overhaul of this driver is not what I want to do
now -- just a bugfix.

After the fix, I found that my disks were getting a queue depth of
255, which is far too many.  Most SCSI disks are limited to 32 or
64.  In any case, there's no point, queueing up a bunch of commands
to the adapter that will just result in queue full or starve other
targets from being issued commands due to running out of internal
memory.  So I dropped default queue depth to 32 (from which 1 is
subtracted elsewhere, giving net of 31).

I tested with a Seagate ST336753LC, and results look good, so
I'm satisfied with this patch.

Signed-off-by: Jeremy Higdon <jeremy@sgi.com>
Acked-by: Jes Sorensen <jes@sgi.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-05-13 12:16:23 -05:00
Kenji Kaneshige
c4e5fadd2a ACPI/PCI: another multiple _OSC memory leak fix
The acpi_query_osc() function can be called for the ACPI object that
doesn't have _OSC method. In this case, acpi_get_osc_data() would
allocate a useless memory region. To avoid this, we need to check the
existence of _OSC before calling acpi_get_osc_data() in acpi_query_osc().

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-05-13 09:51:54 -07:00
Venki Pallipadi
77db988564 x86/PCI: X86_PAT & mprotect
Some versions of X used the mprotect workaround to change caching type from UC
to WB, so that it can then use mtrr to program WC for that region [1].  Change
the mmap of pci space through /sys or /proc interfaces from UC to UC_MINUS.
With this change, X will not need to use mprotect workaround to get WC type
since the MTRR mapping type will be honored.

The bug in mprotect that clobbers PAT bits is fixed in a follow on patch. So,
this X workaround will stop working as well.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-05-13 09:51:54 -07:00
Björn Krombholz
439a7733e8 PCI: enable nv_msi_ht_cap_quirk for ALi bridges
This applies the NVidia MSI enabled flag for HT capable devices quirk
to ALi bridges as well.

As described in more detail in http://bugzilla.kernel.org/show_bug.cgi?id=10667
this is required for my board which is using an nForce 3 250Gb chipset with an
ALi M1695 northbridge.

It fixes a regression introduced in 2.6.24 that made the internal NIC of the
board unusable (MSI initialisation of the NIC but disabled MSI on the
northbridge devices.

Signed-off-by: Björn Krombholz <fox.box@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-05-13 09:51:54 -07:00
mark gross
a7eb08c2a1 PCI: Make the intel-iommu_wait_op macro work when jiffies are not running
The following patch changes the intel-iommu.c code to use the TSC
instead of jiffies for detecting bad DMAR functionality.  Some systems
with bad bios's have been seen to hang in early boot spinning in the
IOMMU_WAIT_IO macro.  This patch will replace the infinite loop with a call to
panic.

Signed-off-by: Mark Gross <mgross@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-05-13 09:51:54 -07:00
Kenji Kaneshige
34a65055e5 ACPI/PCI: handle multiple _OSC
The pci_osc_control_set() function can be called for the ACPI object
that doesn't have _OSC method. In this case, acpi_get_osc_data() would
allocate a useless memory region. To avoid this, we need to check the
existence of _OSC before calling acpi_get_osc_data(). Here is a patch
to fix this problem in pci_osc_control_set.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-05-13 09:51:54 -07:00
Shaohua Li
a5d1c87983 ACPI/PCI: handle multiple _OSC
There is an IA64 system here which have two pci root bridges with _OSC.
One _OSC disables SHPC control bit but the other not. Below patch makes
_OSC data per-device instead of one global, otherwise linux takes both
root bridges don't support SHPC.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-05-13 09:51:53 -07:00
Takashi Iwai
4a367f3a9d x86/PCI: fix broken ISA DMA
Rene Herman reported:

> commit 8779f2fc3b
>
> "x86: don't try to allocate from DMA zone at first"
>
> breaks all of ISA DMA. Or all of ALSA ISA DMA at least. All
> ISA soundcards are silent following that commit -- no error
> messages, everything appears fine, just silence.

That patch is buggy. We had an implicit assumption that
dev = NULL for ISA devices that require 24bit DMA.

The recent work on x86 dma_alloc_coherent() breaks the ISA DMA buffer
allocation, which is represented by "dev = NULL" and requires 24bit
DMA implicitly.

Bisected-by: Rene Herman <rene.herman@keyaccess.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-05-13 09:51:53 -07:00
Kenji Kaneshige
21e2b0a5ef PCI ACPI: fix uninitialized variable in __pci_osc_support_set
Fix uninitialized variable in __pci_osc_support_set().

If the ACPI namespace doesn't have any device object corresponding to
the specified hid, 'retval' in __pci_osc_support_set() is not changed
by the acpi_query_osc() callback. Since 'retval' is not initizlized in
the current implementation, the contents of 'retval' is undefined in
this case. This causes a mis-handling of ctrlset_buf[OSC_SUPPORT_TYPE]
and will cause an unexpected result in the subsequent
pci_osc_control_set() call as a result.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-05-13 09:51:53 -07:00
Linus Torvalds
5dc93cf457 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  [ALSA] ASoC: Fix wrong enum count for jack_function in N810 machine driver
  [ALSA] ASoC: build fix for snd_soc_info_bool_ext
  [ALSA] ASoC: Fix TLV320AIC3X mono line output interconnect
  [ALSA] soc - fsl_ssi.c fix "BUG: scheduling while atomic"
  [ALSA] emux midi synthesizer doesn't honor SOFT_PEDAL-release event
2008-05-13 09:49:06 -07:00
Cyrill Gorcunov
43f14d856f eCryptFS: fix imbalanced mutex locking
Fix imbalanced calls for mutex lock/unlock on ecryptfs_daemon_hash_mux
Revealed by Ingo Molnar: http://lkml.org/lkml/2008/5/7/260

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:26 -07:00
Jan Engelhardt
d850a2fac1 vt/fbcon: fix background color on line feed
Another addendum to commit c9e587abfd
("vt: fix background color on line feed").

fbcon still was not doing the right thing (read: continued to do old
behavior).  fbcon_clear() seems to clear the new line (e.g.  where your new
prompt appears after doing echo -en "\e[42mfoo\n"), while scr_memsetw clears
the previous one only (where "foo" appears).  So just temporarily set the
video_erase_char to the scrl_erase_char so that fbcon_clear does the right
thing.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:26 -07:00
Jan Engelhardt
7fe3915a49 vt/fbcon: update scrl_erase_char after 256/512-glyph font switch
Addendum to commit c9e587abfd ("vt: fix
background color on line feed").

vc->vc_scrl_erase_char was not updated when fbcon switches between
256- and 512-glyph fonts.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:26 -07:00
Maciej W. Rozycki
9fb1f68d40 rtc: m41t80: include <linux/kernel.h> for printk()
The driver uses printk(), but does not include <linux/kernel.h> -- add it.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexander Bigga <ab@mycable.de>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:26 -07:00
Maciej W. Rozycki
417607d05f RTC/watchdog: M41T80: fix a potential use of unitialized data
Watchdog handlers within the driver make use of "save_client" -- make sure it
has been initalized before the handlers are registered.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexander Bigga <ab@mycable.de>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:26 -07:00
Andrew Morton
6c82c41509 drivers/char/synclink_gt.c: don't return an uninitialised local
drivers/char/synclink_gt.c: In function 'put_char':
drivers/char/synclink_gt.c:919: warning: 'ret' may be used uninitialized in this function

The compiler speaketh truth.

Cc: Paul Fulghum <paulkf@microgate.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:26 -07:00
Jean Delvare
f36f21ecca Fix misuses of bdevname()
bdevname() fills the buffer that it is given as a parameter, so calling
strcpy() or snprintf() on the returned value is redundant (and probably not
guaranteed to work - I don't think strcpy and snprintf support overlapping
buffers.)

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:26 -07:00
Miklos Szeredi
78bb6cb9a8 fuse: add flag to turn on big writes
Prior to 2.6.26 fuse only supported single page write requests.  In theory all
fuse filesystem should be able support bigger than 4k writes, as there's
nothing in the API to prevent it.  Unfortunately there's a known case in
NTFS-3G where big writes cause filesystem corruption.  There could also be
other filesystems, where the lack of testing with big write requests would
result in bugs.

To prevent such problems on a kernel upgrade, disable big writes by default,
but let filesystems set a flag to turn it on.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Szabolcs Szakacsits <szaka@ntfs-3g.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:26 -07:00
Dhaval Giani
0f146a764f cgroups: fix documentation
Correct the cgroups documentation to reflect the correct file names.

Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Cc: Sudhir Kumar <skumar@linux.vnet.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:25 -07:00
KOSAKI Motohiro
4cd1a8fc3d memcg: fix possible panic when CONFIG_MM_OWNER=y
When mm destruction happens, we should pass mm_update_next_owner() the old mm.
 But unfortunately new mm is passed in exec_mmap().

Thus, kernel panic is possible when a multi-threaded process uses exec().

Also, the owner member comment description is wrong.  mm->owner does not
necessarily point to the thread group leader.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: "Paul Menage" <menage@google.com>
Cc: "KAMEZAWA Hiroyuki" <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:25 -07:00
Joakim Tjernlund
c9bfcb3151 spi_mpc83xx: much improved driver
The current driver may cause glitches on SPI CLK line since one must disable
the SPI controller before changing any HW settings.  Fix this by implementing
a local spi_transfer function that won't change speed and/or word size while
CS is active.

While doing that heavy lifting a few other issues were addressed too:
 - Make word size 16 and 32 work too.
 - Honor bits_per_word and speed_hz in spi transaction.
 - Optimize the common path.

This also stops using the "bitbang" framework (except for a few constants).

[Roel Kluin <12o3l@tiscali.nl>: "irq" needs to be signed]
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:25 -07:00