Commit Graph

33198 Commits (b50e56d81e0df964e9b28001d792021b109cf4f1)

Author SHA1 Message Date
Al Viro b50e56d81e libata fixes for sparse-found problems
In pata_legacy and pata_winbond we've got bugs - cpu_to_le16() instead
of cpu_to_le32().  Fortunately, both affected suckers are VLB, thus
l-e-only, so we might get away with that unless we hit it with slop == 3
(hadn't checked if playing with badly aligned sg could trigger that).
Still buggy...  Moreover, pata_legacy, pata_winbond and pata_qdi forgot to
initialize pad on the write side of 32bit case in their ->data_xfer().
Hopefully the hardware does't care, but still, sending uninitialized
data to it...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-15 15:58:36 -05:00
Linus Torvalds 612166c76d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  [TOKENRING]: rif_timer not initialized properly
  [NETFILTER]: bridge: fix double POST_ROUTING invocation
  [NETFILTER]: xt_helper: Do not bypass RCU
  [NETFILTER]: ip6t_eui64: Fixes calculation of Universal/Local bit
  [MACVLAN]: Prevent nesting macvlan devices
  [VLAN]: nested VLAN: fix lockdep's recursive locking warning
  [DECNET] ROUTE: fix rcu_dereference() uses in /proc/net/decnet_cache
  [BLUETOOTH]: Always send explicit hci_ll wake-up acks.
  [BLUETOOTH]: rfcomm tty BUG_ON() code fix
  [AX25] af_ax25: Possible circular locking.
  [AX25]: Kill user triggable printks.
  [IPV4] ROUTE: fix rcu_dereference() uses in /proc/net/rt_cache
  [NEIGH]: Fix race between neigh_parms_release and neightbl_fill_parms
  [NIU]: Support for Marvell PHY
2008-01-15 08:06:47 -08:00
Tejun Heo d8cf5389bd libata: relocate sdev->manage_start_stop configuration
After 9b8e8de7, manage_start_stop configuration depends on valid ATA
device.  Move it into ata_scsi_dev_config().  This was detected by the
coverity checker.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-14 21:11:02 -05:00
Tejun Heo c2e14f1112 sata_sil24: freeze on non-dev errors reported via CERR
CERR reports errors detected during executing a command.  This doesn't
mean the error is tied to the command and can be recovered by just
issuing it again.  Many of the errors are fatal port-wide connditions
including HSM violation, host bus error and ATA bus error and require
freezing and port reset.

The freezing part wasn't implemented previously.  This used to be okay
because port resets were scheduled anyway and EH eventually resets and
recovers the port.  With PMP support added, this is no longer true.
The error condition and recover actions are attributed to the fan-out
port and the host port condition isn't properly recovered leading to
EH failures.

This patch makes CERR errors which require resets to freeze the port.
This will force host port reset and proper recovery.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Andrew Ryder <tireman@shaw.ca>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-14 21:11:02 -05:00
Tejun Heo 7293fa8fb7 sata_sil24: fix stupid typo
Fix stupid typo.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-14 21:11:01 -05:00
Tejun Heo 25f98131a2 ata_piix: ignore ATA_DMA_ERR on vmware ich4
VMware ich4 emulation incorrectly sets DMA_ERR on TF error.  Ignore
it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-14 21:11:01 -05:00
Linus Torvalds 031f2dcd70 Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
  i2c-sibyte: Fix an error path
  i2c: Driver IDs are optional
  i2c: Spelling fixes
  i2c-omap: Fix NULL pointer dereferencing
2008-01-14 13:23:20 -08:00
Jean Delvare 5cd6e675f8 i2c-sibyte: Fix an error path
If the registration of the second I2C channel fails, we really want to
unregister the first one before we return with an error.

While we're here, fix the printk right above so that it displays the
real driver name.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
2008-01-14 21:53:31 +01:00
Joe Perches 96acafe05f i2c: Spelling fixes
[JD: One more fix in i2c-dev.]

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-01-14 21:53:30 +01:00
Tony Lindgren 3e39752d53 i2c-omap: Fix NULL pointer dereferencing
This patch fixes bug #9581 reported by Marcio Buss. If kzalloc fails,
omap_i2c_write_reg() tries to reset an unallocated I2C controller.

Cc: Marcio Buss <marciobuss@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-01-14 21:53:30 +01:00
Linus Torvalds 4fd3670eb1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: improve Kconfig help entries for HP Jornada devices
  Input: pass EV_PWR events to event handlers
  Input: spitzkbd - fix suspend key handling
  gameport: don't export functions that are static inline
  Input: jornada680_kbd - fix default keymap
  Input: Handle EV_PWR type of input caps in input_set_capability.
2008-01-14 09:10:45 -08:00
Randy Dunlap 27b526a090 uvesafb: fix section mismatch warnings
Mark uvesafb_init_mtrr() as __devinit since its caller is __devinit
and since it accesses __devinitdata.

WARNING: vmlinux.o(.text+0x4df80e): Section mismatch: reference to .init.data: (between 'uvesafb_init_mtrr' and 'uvesafb_show_vbe_ver')

Variable 'blank' cannot be __devinitdata since it is referenced in an
fb_ops method that could be called at any time.

WARNING: vmlinux.o(.text+0x4dfc1e): Section mismatch: reference to .init.data:blank (between 'param_set_scroll' and 'vesa_setpalette')
WARNING: vmlinux.o(.text+0x4dfc24): Section mismatch: reference to .init.data:blank (between 'param_set_scroll' and 'vesa_setpalette')

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-14 08:52:23 -08:00
Krzysztof Helt f046644149 s3c2410fb: fix incorrect argument type in resume function
Fix wrong pointer type passed into the s3c2410fb_init_registers()
function.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-14 08:52:23 -08:00
Randy Dunlap 747d016e7e advansys: fix section mismatch warning
Fix section mismatch warning:

WARNING: vmlinux.o(.exit.text+0x152a): Section mismatch: reference to .init.data:_asc_def_iop_base (between 'advansys_isa_remove' and 'advansys_exit')

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Matthew Wilcox <willy@debian.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-14 08:52:23 -08:00
Randy Dunlap 7d1fd970e4 cciss: section mismatch
Mark cciss_pci_init() as __devinit, to fix section mismatch warning.

WARNING: vmlinux.o(.text+0x601fc9): Section mismatch: reference to .init.text: (between 'cciss_pci_init' and 'cciss_getgeometry')

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: <mike.miller@hp.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-14 08:52:22 -08:00
Adrian Bunk 4c993f7669 scsi/qla2xxx/qla_os.c section fix
WARNING: vmlinux.o(.text+0x2a4462): Section mismatch: reference to .exit.text:qla2x00_remove_one (between 'qla2xxx_pci_error_detected' and 'qla2x00_stop_timer')

qla2x00_remove_one() mustn't be __devexit since it's called from
qla2xxx_pci_error_detected().

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Seokmann Ju <seokmann.ju@qlogic.com>
Acked-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-14 08:52:22 -08:00
Andy Wingo 9f31c05ea0 macintosh: fix fabrication of caplock key events
If the user has turned on the "restore_caplock_events" parameter, the
code mangles the capslock events correctly, then erroneously ignores
those events.  Fix logic to allow correct fallthrough.

Signed-off-by: Andy Wingo <wingo@pobox.com>
Acked-by: Andrew McNabb <amcnabb@mcnabbs.org>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-14 08:52:22 -08:00
Nicolas Ferre 8f4c79ce79 MAINTAINERS: email update and add missing entry
- MAINTAINERS email update
 - add atmel_lcdfb entry

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-14 08:52:22 -08:00
David Smith 2490c681ea TPM: fix suspend and resume failure
The savestate command structure was being overwritten by the result of
running the TPM_SaveState command after one run, so make it a local
variable to the function instead of a global variable that gets
overwritten.

Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: Kent Yoder <shpedoikal@gmail.com>
Cc: Marcel Selhorst <tpm@selhorst.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-14 08:52:22 -08:00
Evgeniy Polyakov a2a6c74d34 w1: decrement slave counter only in ->release() callback
Decrement the slave counter only in ->release() callback instead of both
in ->release() and w1 control.

Patch is based on debug work and preliminary patch made by Henri Laakso.
Henri noticed in debug that this counter becomes negative after w1 slave
device is physically removed.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Henri Laakso <henri.laakso@wapice.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-14 08:52:22 -08:00
Kristoffer Ericson 4ff891eb3d Input: improve Kconfig help entries for HP Jornada devices
Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2008-01-14 00:54:23 -05:00
Linus Torvalds d72ec9e20e Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
  spidernet MAINTAINERship update
  sky2: remove check for PCI wakeup setting from BIOS
  sky2: large memory workaround.
  fs_enet: check for phydev existence in the ethtool handlers
  [usb netdev] asix: fix regression
  r8169: fix missing loop variable increment
  ip1000: menu location change
  Fixed a small typo in the loopback driver
  3c509: PnP resource management fix
  netxen: fix byte-swapping in tx and rx
  netxen: optimize tx handling
  netxen: stop second phy correctly
  netxen: update driver version
  netxen: update MAINTAINERS
  endianness noise in tulip_core
  de4x5 fixes
  xircom_cb endianness fixes
  rt2x00: Put 802.11 data on 4 byte boundary
  rt2x00: Corectly initialize rt2500usb MAC
  rt2x00: Allow rt61 to catch up after a missing tx report
2008-01-13 10:02:26 -08:00
Linus Torvalds 417009f64f Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  pnpacpi: print resource shortage message only once
  PM: ACPI and APM must not be enabled at the same time
  ACPI: apply quirk_ich6_lpc_acpi to more ICH8 and ICH9
  ACPICA: fix acpi_serialize hang regression
  ACPI : Not register gsi for PCI IDE controller in legacy mode
  ACPI: Reintroduce run time configurable max_cstate for !CPU_IDLE case
  ACPI: Make sysfs interface in ACPI power optional.
  ACPI: EC: Enable boot EC before bus_scan
  increase PNP_MAX_PORT to 40 from 24
2008-01-13 09:58:22 -08:00
Len Brown 55d1bb9a3b Pull bugzilla-9535 into release branch 2008-01-12 18:06:27 -05:00
Len Brown 66a21736de pnpacpi: print resource shortage message only once
pnpacpi: exceeded the max number of IO resources: 40

While this message is a real error and should thus
remain KERN_ERR (even a new dmesg line is seen as a regression
by some, since it was not printed in 2.6.23...) it is certainly
impolite to print this warning 50 times should you happen to
have the oddball system with 90 io resources under a device...

So print the warning just once.

In 2.6.25 we'll get rid of the limits altogether
and these warnings will vanish with them.

http://bugzilla.kernel.org/show_bug.cgi?id=9535

Signed-off-by: Len Brown <len.brown@intel.com>
2008-01-12 17:56:36 -05:00
Stephen Hemminger 84cd2dfb04 sky2: remove check for PCI wakeup setting from BIOS
The driver checks status of PCI power management to mark
default setting of Wake On Lan. On some systems this works, but often
it reports a that WOL is disabled when it isn't.

This patch gets rid of that check and just reports the wake on
lan status based on the hardware capablity.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:49:10 -05:00
Stephen Hemminger 86c6887e6f sky2: large memory workaround.
This patch might fix problems with 4G or more of memory.
It stops the driver from doing a small optimization for Tx and Rx,
and instead always sets the high-page on tx/rx descriptors.

Fixes-bug: http://bugzilla.kernel.org/show_bug.cgi?id=9725

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:49:10 -05:00
Anton Vorontsov dfd9a421be fs_enet: check for phydev existence in the ethtool handlers
Otherwise oops will happen if ethernet device has not been opened:

Unable to handle kernel paging request for data at address 0x0000014c
Faulting instruction address: 0xc016f7f0
Oops: Kernel access of bad area, sig: 11 [#1]
MPC85xx
NIP: c016f7f0 LR: c01722a0 CTR: 00000000
REGS: c79ddc70 TRAP: 0300   Not tainted  (2.6.24-rc3-g820a386b)
MSR: 00029000 <EE,ME>  CR: 20004428  XER: 20000000
DEAR: 0000014c, ESR: 00000000
TASK = c789f5e0[999] 'snmpd' THREAD: c79dc000
GPR00: c01aceb8 c79ddd20 c789f5e0 00000000 c79ddd3c 00000000 c79ddd64 00000000
GPR08: 00000000 c7845b60 c79dde3c c01ace80 20004422 200249fc 000002a0 100da728
GPR16: 100c0000 00000000 00000000 00000000 20022078 00000009 200220e0 bfc85558
GPR24: c79ddd3c 00000000 00000000 c02e0e70 c022fc64 ffffffff c7845800 bfc85498
NIP [c016f7f0] phy_ethtool_gset+0x0/0x4c
LR [c01722a0] fs_get_settings+0x18/0x28
Call Trace:
[c79ddd20] [c79dde38] 0xc79dde38 (unreliable)
[c79ddd30] [c01aceb8] dev_ethtool+0x294/0x11ec
[c79dde30] [c01aaa44] dev_ioctl+0x454/0x6a8
[c79ddeb0] [c019b9d4] sock_ioctl+0x84/0x230
[c79dded0] [c007ded8] do_ioctl+0x34/0x8c
[c79ddee0] [c007dfbc] vfs_ioctl+0x8c/0x41c
[c79ddf10] [c007e38c] sys_ioctl+0x40/0x74
[c79ddf40] [c000d4c0] ret_from_syscall+0x0/0x3c
Instruction dump:
81630000 800b0030 2f800000 419e0010 7c0803a6 4e800021 7c691b78 80010014
7d234b78 38210010 7c0803a6 4e800020 <8003014c> 7c6b1b78 38600000 90040004

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Vitaly Bordug <vitb@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:45:33 -05:00
Jeff Garzik 9ea7d6cb9c Merge branch 'fixes-jgarzik' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes 2008-01-12 17:44:35 -05:00
Russ Dill 94d433630a [usb netdev] asix: fix regression
51bf2976b5 caused a regression in the asix
usbnet driver. usb_control_msg returns the number of bytes read on
success, not 0. Tested with NETGEAR FA120.

Signed-off-by: Russ Dill <Russ.Dill@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:43:19 -05:00
Francois Romieu cadf1855e9 r8169: fix missing loop variable increment
Spotted-by: Citizen Lee <citizen_lee@thecus.com>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:41:04 -05:00
Stephen Hemminger ab7a983176 ip1000: menu location change
Move the ip1000 driver into the expected place for gigabit cards
in the configuration menu structure. It should be under the gigabit
cards, not at the top level.

Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:41:04 -05:00
Emil Medve 2d2c54e3d0 Fixed a small typo in the loopback driver
This is probably a result of the changes from commit
854d836 - [NET]: Dynamically allocate the loopback device, part 2

Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:41:04 -05:00
Krzysztof Helt 9ca20ebc26 3c509: PnP resource management fix
In order to release PnP resources a card type must be set to EL3_PNP.
Previously, it was never set hence the PnP resources were not
released and device was left in incorrect state.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:41:04 -05:00
Dhananjay Phadke 5dc162682d netxen: fix byte-swapping in tx and rx
Here's the reworked patch.

This cleans up some unnecessary byte-swapping while setting up tx and
interpreting rx desc. The 64 bit rx status data should be converted
to host endian format only once and the macros just need to extract
bitfields.

This saves a spate of interrupts on pseries blades caused by buggy
(non) processing rx status ring.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:35:38 -05:00
dhananjay@netxen.com 53a01e00f8 netxen: optimize tx handling
netxen driver allows limited number of threads simultaneously posting
skb's in tx ring. If transmit slot is unavailable, driver calls
schedule() or loops in xmit_frame().

This patch returns TX_BUSY and lets the stack reschedule the packet if
transmit slot is unavailable. Also removes unnecessary check for tx
timeout in the driver itself, the network stack does that anyway.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:35:38 -05:00
dhananjay@netxen.com 72b0a7a8a4 netxen: stop second phy correctly
This patch fixes bug that doesn't quiesce second port when interface is
brought down, which could lead to unwarranted interrupt during rmmod /
ifdown.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:35:34 -05:00
dhananjay@netxen.com 001a731ecf netxen: update driver version
Bumping up driver version to 3.4.18, several fixes have gone in since
version 3.4.2.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:35:25 -05:00
Al Viro 76285ee037 endianness noise in tulip_core
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:33:04 -05:00
Al Viro 561b4fbf18 de4x5 fixes
* (trivial) endianness annotations
* don't bother with del_timer() from the inside of timer handler itself
* disable_ast() really ought to do del_timer_sync(), not del_timer()
* clean the timer handling in general.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:33:03 -05:00
Al Viro 6f35d5d516 xircom_cb endianness fixes
* descriptors inside the rx and tx rings are l-e
* don't cpu_to_le32() the argument of outl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-12 17:33:03 -05:00
Linus Torvalds d0c4c9d4a2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
  V4L/DVB (7001): av7110: fix section mismatch
  V4L/DVB (6999): ivtv: stick to udelay=10 after all
2008-01-11 13:46:46 -08:00
Jeremy Kerr 8dab637612 ps3fb: fix deadlock on kexec()
Since the introduction of the acquire_console_sem calls in
0333d83509, kexecing can cause the
kernel to deadlock:

 ps3fb_shutdown()
  -> unregister_framebuffer()
  -> fb_notifier_call_chain(FB_EVENT_FB_UNBIND)
  -> fbcon_fb_unbind()
  -> unbind_con_driver()
  -> bind_con_driver()
	[ acquires console_sem ]
  -> fbcon_deinit()
  -> fbops->fb_release(newinfo, 0)
  -> ps3fb_release()
  -> ps3fb_sync()
	[ acquires console_sem ]

This change avoids the deadlock by moving the acquire_console_sem()
out of ps3fb_sync(), and puts it into the two other callsites, leaving
ps3fb_release() to call ps3fb_sync() without the console semaphore.

[Geert]
  - Corrected call sequence above
  - ps3fb_release() may be called with and without console_sem held. This is an
    inconsistency that should be fixed at the fb level, but for now, try to
    acquire console_sem in ps3fb_release().

    I think it's safer to let ps3fb_release() try to acquire console_sem and
    not refresh the screen if it fails, than to call ps3fb_sync() without
    holding console_sem, as ps3fb_par may be modified at the same time, causing
    crashes or lockups.

    Besides, ps3fb_release() only calls ps3fb_sync() to refresh the screen
    when display flipping is disabled, which is an uncommon case (except during
    shutdown/kexec).

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-11 11:47:43 -08:00
Jeremy Kerr ba21611c9c ps3fb: prevent use after free of fb_info
In ps3fb_shutdown, freeing the framebuffer will cause fb_info (in
dev->core.driver_data) to be free()ed, which we potentially access
from the ps3fbd kthread.

This change frees the framebuffer after stopping the ps3fbd kthread.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-11 11:47:42 -08:00
Linus Torvalds b506d1b6c4 Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  blktrace: kill the unneeded initcall
  block: fix blktrace timestamps
  loop: fix bad bio_alloc() nr_iovec request
  Don't blatt first element of prv in sg_chain()
2008-01-11 11:44:59 -08:00
Massimo Cirillo 646fd12784 cache invalidation error for buffered write
The bug causes corruptions of data read from flash.

The original code performs cache invalidation from "adr" to "adr + len"
in do_write_buffer().  Since len and adr could be updated in the code
before invalidation - it causes improper setting of cache invalidation
regions.

Signed-off-by: Massimo Cirillo <maxcir@gmail.com>
Signed-off-by: Giuseppe D'Eliseo <giuseppedeliseo@gmail.com>
Acked-by: Nicolas Pitre <nico@cam.org>
Acked-by: Jörn Engel <joern@logfs.org>
Signed-off-by: David Woohouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-11 11:44:37 -08:00
Jeff Garzik 7c48c56e9b IDE: terminate ACPI DMI list
Fix oops reported by Trond.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-01-11 11:42:07 -08:00
Len Brown 8df042e85c Pull bugzilla-9683 into release branch 2008-01-11 12:28:38 -05:00
Len Brown 456212017b Pull bugzilla-9627 into release branch 2008-01-11 12:28:22 -05:00
Len Brown 4e1b83ad61 Pull bugzilla-9494 into release branch 2008-01-11 12:27:32 -05:00