- 12 Jul, 2006 40 commits
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Uwe Bugla authored
i2c-algo-bit: Wipe out dead code Signed-off-by:
Uwe Bugla <uwe.bugla@gmx.de> Signed-off-by:
Jean Delvare <khali@linux-fr.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Mark M. Hoffman authored
Content-Disposition: inline; filename=i2c-algo-error-handling-fix.patch It is possible for i2c_add_adapter() to fail. Several I2C algorithm drivers ignore that fact. This (compile-tested only) patch fixes them. Signed-off-by:
Mark M. Hoffman <mhoffman@lightlink.com> Signed-off-by:
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Jean Delvare authored
We have a new mailing list dedicated to linux i2c: http://lists.lm-sensors.org/mailman/listinfo/i2cSigned-off-by:
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Jean Delvare authored
Plan the i2c-ite and i2c-algo-ite drivers for removal. These drivers never compiled since they were added to the kernel tree 5 years ago. Also see: http://marc.theaimsgroup.com/?l=linux-mips&m=115040510817448Signed-off-by:
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Jean Delvare authored
Fix the value returned by the i2c-powermac's master_xfer method. It should return the number of messages processed successfully, but instead returns the number of data bytes in the first (and only) processed message. Also explicitly mention the master_xfer convention so that future implementations get it right directly. Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Jean Delvare authored
The scx200_acb i2c bus driver pretends to support SMBus block transactions, but in fact it implements the more simple I2C block transactions. Additionally, it lacks sanity checks on the length of the block transactions, which could lead to a buffer overrun. This fixes an oops reported by Alexander Atanasov: http://marc.theaimsgroup.com/?l=linux-kernel&m=114970382125094 Thanks to Ben Gardner for fixing my bugs :) Signed-off-by:
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Thomas Andrews authored
Fix the scx200_acb state machine: * Nack was sent one byte too late on reads >= 2 bytes. * Stop bit was set one byte too late on reads. Signed-off-by:
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Peter Milne authored
Avoid addressing self when sending a slave address. Follows instruction in Intel 80331/80321 manuals. Ignoring this worked previously on 80321, but causes a hang on i2cdetect on 80331. Signed-off-by:
Peter Milne <peter.milne@d-tacq.com> Signed-off-by:
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Mark M. Hoffman authored
This patch fixes a bug in the handling of 'ignore' module parameters of I2C client drivers. Signed-off-by:
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Linus Torvalds authored
* HEAD: [ALSA] Fix undefined (missing) references in ISA MIRO sound driver [ALSA] make sound/isa/gus/gusextreme.c:devices static [ALSA] hda-codec - Fix missing array terminators in AD1988 codec support [ALSA] Fix a deadlock in snd-rtctimer [ALSA] Fix section mismatch errors in ALSA PCI drivers [ALSA] remove unused snd_minor.name field [ALSA] Fix no mpu401 interface can cause hard freeze [ALSA] wavefront: fix __init/__devinit confusion [ALSA] Fix workaround for AD1988A rev2 codec [ALSA] trivial: Code clean up of i2c/cs8427.c [ALSA] sound/i2c/cs8427.c: don't export a static function [ALSA] intel8x0 - Add ac97 quirk for Tyan Thunder K8WE board [ALSA] Reduce the string length of Terratec Aureon 7.1 Universe [ALSA] sound/pci/Kconfig - fix broken indenting for SND_FM801_TEA575X [ALSA] fix the SND_FM801_TEA575X dependencies [ALSA] Memory leak in sound/pcmcia/pdaudiocf/pdaudiocf.c
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Alan Cox authored
Prior to 2.6.18rc1 you could install with devices on a JMicron chipset using the "all-generic-ide" option. As of this kernel the AHCI driver grabs the controller and rams it into AHCI mode losing the PATA ports and making CD drives and the like vanish. The all-generic-ide option fails because the AHCI driver grabbed the PCI device and reconfigured it. To fix this three things are needed. #1 We must put the chip into dual function mode #2 The AHCI driver must grab only function 0 (already in your rc1 tree) #3 Something must grab the PATA ports The attached patch is the minimal risk edition of this. It puts the chip into dual function mode so that AHCI will grab the SATA ports without losing the PATA ports. To keep the risk as low as possible the third patch adds the PCI identifiers for the PATA port and the FN check to the ide-generic driver. There is a more featured jmicron driver on its way but that adds risk and the ide-generic support is sufficient to install and run a system. The actual chip setup done by the quirk is the precise setup recommended by the vendor. (The JMB368 appears only in the ide-generic entry as it has no AHCI so does not need the quirk) Signed-off-by:
Alan Cox <alan@redhat.com> Acked-by:
Jeff Garzik <jgarzik@pobox.com> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Chase Venters authored
During the recent discussion of taking 'volatile' off of the spinlock, I noticed that while most arches #define cpu_relax() such that it implies barrier(), some arches define cpu_relax() to be empty. This patch changes the definition of cpu_relax() for frv, h8300, m68knommu, sh, sh64, v850 and xtensa from an empty while(0) to the compiler barrier(). Signed-off-by:
Chase Venters <chase.venters@clientec.com> Acked-by:
Arjan van de Ven <arjan@Linux.intel.com> Signed-off-by:
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Ingo Molnar authored
Joseph Fannin reported that hpet_rtc_interrupt() enables hardirqs in irq context: [ 25.628000] [<c014af4e>] trace_hardirqs_on+0xce/0x200 [ 25.628000] [<c036cf21>] _spin_unlock_irq+0x31/0x70 [ 25.628000] [<c0296584>] rtc_get_rtc_time+0x44/0x1a0 [ 25.628000] [<c01198bb>] hpet_rtc_interrupt+0x21b/0x280 [ 25.628000] [<c0161141>] handle_IRQ_event+0x31/0x70 [ 25.628000] [<c0162d37>] handle_edge_irq+0xe7/0x210 [ 25.628000] [<c0106192>] do_IRQ+0x92/0x120 [ 25.628000] [<c0104121>] common_interrupt+0x25/0x2c the call of rtc_get_rtc_time() is highly suspect. At a minimum we need the patch below to save/restore hardirq state. Signed-off-by:
Ingo Molnar <mingo@elte.hu> Cc: Joseph Fannin <jfannin@gmail.com> Cc: John Stultz <johnstul@us.ibm.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Andrew Morton authored
We're supposed to go the next power of two if nfds==nr. Of `nr', not of `nfsd'. Spotted by Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by:
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Eric W. Biederman authored
It looks like someone confused kmem_cache_create with a different allocator and was attempting to give it knowledge of how many cache entries there were. With the unfortunate result that each slab entry was big enough to hold every irq. Signed-off-by:
Eric W. Biederman <ebiederm@xmission.com> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Adam B. Jerome authored
Address a potential 'larger than buffer size' memory access by clear_user(). Without this patch, this call to clear_user() can attempt to clear too many (tsz) bytes resulting in a wrong (-EFAULT) return code by read_kcore(). Signed-off-by:
Adam B. Jerome <abj@novell.com> Signed-off-by:
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Arjan van de Ven authored
sysfs has a different i_mutex lock order behavior for i_mutex than the other filesystems; sysfs i_mutex is called in many places with subsystem locks held. At the same time, many of the VFS locking rules do not apply to sysfs at all (cross directory rename for example). To untangle this mess (which gives false positives in lockdep), we're giving sysfs inodes their own class for i_mutex. Signed-off-by:
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Kirill Korotaev authored
When found, it is obvious. nfds calculated when allocating fdsets is rewritten by calculation of size of fdtable, and when we are unlucky, we try to free fdsets of wrong size. Found due to OpenVZ resource management (User Beancounters). Signed-off-by:
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by:
Kirill Korotaev <dev@openvz.org> Cc: <stable@kernel.org> Signed-off-by:
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Marcel Holtmann authored
Based on a patch from Ernie Petrides During security research, Red Hat discovered a behavioral flaw in core dump handling. A local user could create a program that would cause a core file to be dumped into a directory they would not normally have permissions to write to. This could lead to a denial of service (disk consumption), or allow the local user to gain root privileges. The prctl() system call should never allow to set "dumpable" to the value 2. Especially not for non-privileged users. This can be split into three cases: 1) running as root -- then core dumps will already be done as root, and so prctl(PR_SET_DUMPABLE, 2) is not useful 2) running as non-root w/setuid-to-root -- this is the debatable case 3) running as non-root w/setuid-to-non-root -- then you definitely do NOT want "dumpable" to get set to 2 because you have the privilege escalation vulnerability With case #2, the only potential usefulness is for a program that has designed to run with higher privilege (than the user invoking it) that wants to be able to create root-owned root-validated core dumps. This might be useful as a debugging aid, but would only be safe if the program had done a chdir() to a safe directory. There is no benefit to a production setuid-to-root utility, because it shouldn't be dumping core in the first place. If this is true, then the same debugging aid could also be accomplished with the "suid_dumpable" sysctl. Signed-off-by:Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
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Randy Dunlap authored
WARNING: /lib/modules/2.6.18-rc1-mm1/kernel/sound/isa/opti9xx/snd-miro.ko needs unknown symbol snd_cs4231_create WARNING: /lib/modules/2.6.18-rc1-mm1/kernel/sound/isa/opti9xx/snd-miro.ko needs unknown symbol snd_cs4231_pcm WARNING: /lib/modules/2.6.18-rc1-mm1/kernel/sound/isa/opti9xx/snd-miro.ko needs unknown symbol snd_cs4231_timer WARNING: /lib/modules/2.6.18-rc1-mm1/kernel/sound/isa/opti9xx/snd-miro.ko needs unknown symbol snd_cs4231_mixer WARNING: /lib/modules/2.6.18-rc1-mm1/kernel/fs/reiser4/reiser4.ko needs unknown symbol generic_file_read Signed-off-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
Jaroslav Kysela <perex@suse.cz>
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Adrian Bunk authored
'devices' is not a good name for a global variable. Thankfully, it can become static. Signed-off-by:
Adrian Bunk <bunk@stusta.de> Signed-off-by:
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Takashi Iwai authored
Fixed the missing array terminators in AD1988 codec support code. Signed-off-by:
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Takashi Iwai authored
Fix a occasional deadlock occuring with snd-rtctimer driver, added irqsave to the lock in tasklet (ALSA bug#952). Signed-off-by:
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Takashi Iwai authored
Fixed 'section mismatch' errors in ALSA PCI drivers: - removed invalid __devinitdata from pci id tables - fix/remove __devinit of functions called in suspend/resume Signed-off-by:
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Clemens Ladisch authored
Drop the snd_minor structure's name field that was just a helper for devfs device deregistration. Signed-off-by:
Clemens Ladisch <clemens@ladisch.de> Signed-off-by:
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Randy Dunlap authored
This patch fixes the remaining instances in our tree where a non- existent mpu401 interface can cause a hard freeze when i/o is issued. This commit closes Malone #34831. Bug: https://launchpad.net/distros/ubuntu/+source/linux-source-2.6.15/+bug/34831 patch location: http://www.kernel.org/git/?p=linux/kernel/git/bcollins/ubuntu-dapper.git;a=commitdiff;h=b422309cdd980cfefe99379796c04e961d3c1544 From: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Clemens Ladisch authored
The wavefront driver used __init in some places referenced by __devinit functions. Signed-off-by:
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Takashi Iwai authored
Fix the workaround for AD1988A rev2 codec not to apply to AD1988B codec chips. Signed-off-by:
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Takashi Iwai authored
- Fix spaces, wrap lines in 80 columns. - Move EXPORT_SYMBOL() adjacent to each function. Signed-off-by:
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Adrian Bunk authored
Static functions shouldn't be exported. Signed-off-by:
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Takashi Iwai authored
Added the default ac97 quirk (hp_only) for Tyan Thunder K8WE board. Signed-off-by:
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Takashi Iwai authored
Fix the driver string name for Terratec Aureon 7.1 Universe to fit in 15 letters to avoid the overflow. Signed-off-by:
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Jaroslav Kysela authored
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Adrian Bunk authored
CONFIG_SND_FM801=y, CONFIG_SND_FM801_TEA575X=m resulted in the following compile error: <-- snip --> ... LD vmlinux sound/built-in.o: In function 'snd_fm801_free': fm801.c:(.text+0x3c15b): undefined reference to 'snd_tea575x_exit' sound/built-in.o: In function 'snd_card_fm801_probe': fm801.c:(.text+0x3cfde): undefined reference to 'snd_tea575x_init' make: *** [vmlinux] Error 1 <-- snip --> This patch fixes kernel Bugzilla #6458. Signed-off-by:
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Eric Sesterhenn authored
if one of the first three CS_CHECKS fails, we goto cs_failed: In this case parse we donr kfree() parse. Since the the last three CS_CHECKS might also fail, i moved the kfree() below all the CS_CHECKs and added one in the error path. This fixes coverity bug id #1099 Signed-off-by:
Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by:
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git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds authored
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] Fix sparse warnings. [S390] path grouping and path verifications fixes. [S390] xpram module parameter parsing. [S390] cpu_relax() is supposed to have barrier() semantics. [S390] fix futex_atomic_cmpxchg_inatomic [S390] subchannel register/unregister mutex. [S390] raw_local_save_flags/raw_local_irq_restore type check [S390] __builtin_trap() and gcc version.
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Linus Torvalds authored
This is confirmed to fix a hang due to PCI resource conflicts with setting up the Cardbus bridge on old laptops with the 440MX chipsets. Original report by Alessio Sangalli, lspci debugging help by Pekka Enberg, and trial patch suggested by Daniel Ritz: "From the docs available i would _guess_ this thing is really similar to the 82443BX/82371AB combination. at least the SMBus base address register is hidden at the very same place (32bit at 0x90 in function 3 of the "south" brigde)" The dang thing is largely undocumented, but the patch was corroborated by Asit Mallick: "I am trying to find the register information. 440MX is an integration of 440BX north-bridge without AGP and PIIX4E (82371EB). PIIX4 quirk should cover the ACPI and SMBus related I/O registers." and verified to fix the problem by Alessio. Cc: Daniel Ritz <daniel.ritz-ml@swissonline.ch> Cc: Asit Mallick <asit.k.mallick@intel.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Dmitry Torokhov <dtor_core@ameritech.net> Tested-by:
Alessio Sangalli <alesan@manoweb.com> Signed-off-by:
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git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds authored
* 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block: [PATCH] splice: fix problems with sys_tee()
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Heiko Carstens authored
Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com>
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Cornelia Huck authored
1. Multipath devices for which SetPGID is not supported are not handled well. Use NOP ccws for path verification (sans path grouping) when SetPGID is not supported. 2. Check for PGIDs already set with SensePGID on _all_ paths (not just the first one) and try to find a common one. Moan if no common PGID can be found (and use NOP verification). If no PGIDs have been set, use the css global PGID (as before). (Rationale: SetPGID will get a command reject if the PGID it tries to set does not match the already set PGID.) 3. Immediately before reboot, issue RESET CHANNEL PATH (rcp) on all chpids. This will remove the old PGIDs. rcp will generate solicited CRWs which can be savely ignored by the machine check handler (all other actions create unsolicited CRWs). Signed-off-by:
Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by:
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