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2010-08-27lguest: clean up warnings in demonstration launcher.Rusty Russell2-12/+14
These days the headers we use are in glibc. If those are too old, you can add the -I lines to get the kernel headers. In file included from ../../include/linux/if_tun.h:19, from lguest.c:33: ../../include/linux/types.h:13:2: warning: #warning "Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders" lguest.c: In function ‘setup_tun_net’: lguest.c:1456: warning: dereferencing pointer ‘sin’ does break strict-aliasing rules lguest.c:1457: warning: dereferencing pointer ‘sin’ does break strict-aliasing rules lguest.c:1450: note: initialized from here Signed-off-by: Rusty Russell <[email protected]>
2010-08-27Merge remote branch 'nouveau/for-airlied' of /ssd/git/drm-nouveau-next into ↵Dave Airlie7-61/+61
drm-fixes * 'nouveau/for-airlied' of /ssd/git/drm-nouveau-next: drm/nouveau: drop drm_global_mutex before sleeping in submission path drm: export drm_global_mutex for drivers to use drm/nv20: Don't use pushbuf calls on the original nv20. drm/nouveau: Fix TMDS on some DCB1.5 boards. drm/nouveau: Fix backlight control on PPC machines with an internal TMDS panel. drm/nv30: Apply modesetting to the correct slave encoder drm/nouveau: Use a helper function to match PCI device/subsystem IDs. drm/nv50: add dcb type 14 to enum to prevent compiler complaint
2010-08-27drm/nouveau: drop drm_global_mutex before sleeping in submission pathBen Skeggs1-0/+2
If we keep hold of the mutex here, the process which currently holds the buffer object will never be able to release it, causing a deadlock. Signed-off-by: Ben Skeggs <[email protected]>
2010-08-27drm: export drm_global_mutex for drivers to useBen Skeggs1-0/+1
Nouveau needs to be able to drop the mutex before sleeping to prevent a deadlock from occuring. Signed-off-by: Ben Skeggs <[email protected]>
2010-08-26ax25: missplaced sock_put(sk)Bernard Pidoux F6BVP1-1/+1
This patch moves a missplaced sock_put(sk) after bh_unlock_sock(sk) like in other parts of AX25 driver. Signed-off-by: Bernard Pidoux <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-08-26qlge: reset the chip before freeing the buffersBreno Leitao1-2/+2
Qlge is freeing the buffers before stopping the card DMA, and this can cause some severe error, as a EEH event on PPC. This patch just stop the card and then free the resources. Signed-off-by: Breno Leitao <[email protected]> Signed-off-by: Ron Mercer <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-08-26l2tp: test for ethernet header in l2tp_eth_dev_recv()Eric Dumazet1-1/+1
close https://bugzilla.kernel.org/show_bug.cgi?id=16529 Before calling dev_forward_skb(), we should make sure skb head contains at least an ethernet header, even if length included in upper layer said so. Use pskb_may_pull() to make sure this ethernet header is present in skb head. Reported-by: Thomas Heil <[email protected]> Reported-by: Ian Campbell <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-08-26PM QoS: Fix inline documentation.Saravana Kannan1-4/+6
Fix the pm_qos_add_request() kerneldoc comment that doesn't reflect the behavior of the function after the last PM QoS update. Signed-off-by: Saravana Kannan <[email protected]> Acked-by: mark gross <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2010-08-26nfsd: fix NULL dereference in nfsd_statfs()Takashi Iwai1-6/+8
The commit ebabe9a9001af0af56c0c2780ca1576246e7a74b pass a struct path to vfs_statfs introduced the struct path initialization, and this seems to trigger an Oops on my machine. fh_dentry field may be NULL and set later in fh_verify(), thus the initialization of path must be after fh_verify(). Signed-off-by: Takashi Iwai <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Reviewed-by: Minchan Kim <[email protected]> Signed-off-by: J. Bruce Fields <[email protected]>
2010-08-26Merge commit 'v2.6.36-rc1' into HEADJ. Bruce Fields9485-771285/+605293
2010-08-26nfsd4: fix downgrade/lock logicJ. Bruce Fields2-16/+21
If we already had a RW open for a file, and get a readonly open, we were piggybacking on the existing RW open. That's inconsistent with the downgrade logic which blows away the RW open assuming you'll still have a readonly open. Also, make sure there is a readonly or writeonly open available for locking, again to prevent bad behavior in downgrade cases when any RW open may be lost. Signed-off-by: J. Bruce Fields <[email protected]>
2010-08-26nfsd4: typo fix in find_any_fileJ. Bruce Fields1-1/+1
Signed-off-by: J. Bruce Fields <[email protected]>
2010-08-26nfsd4: bad BUG() in preprocess_stateid_opJ. Bruce Fields1-1/+0
It's OK for this function to return without setting filp--we do it in the special-stateid case. And there's a legitimate case where we can hit this, since we do permit reads on write-only stateid's. Signed-off-by: J. Bruce Fields <[email protected]>
2010-08-26Cannot allocate memory error on mountSuresh Jayaraman1-1/+1
On 08/26/2010 01:56 AM, joe hefner wrote: > On a recent Fedora (13), I am seeing a mount failure message that I can not explain. I have a Windows Server 2003ýa with a share set up for access only for a specific username (say userfoo). If I try to mount it from Linux,ýusing userfoo and the correct password all is well. If I try with a bad password or with some other username (userbar), it fails with "Permission denied" as expected. If I try to mount as username = administrator, and give the correct administrator password, I would also expect "Permission denied", but I see "Cannot allocate memory" instead. > ýfs/cifs/netmisc.c: Mapping smb error code 5 to POSIX err -13 > ýfs/cifs/cifssmb.c: Send error in QPathInfo = -13 > ýCIFS VFS: cifs_read_super: get root inode failed Looks like the commit 0b8f18e3 assumed that cifs_get_inode_info() and friends fail only due to memory allocation error when the inode is NULL which is not the case if CIFSSMBQPathInfo() fails and returns an error. Fix this by propagating the actual error code back. Acked-by: Jeff Layton <[email protected]> Signed-off-by: Suresh Jayaraman <[email protected]> Signed-off-by: Steve French <[email protected]>
2010-08-26ceph: fix get_ticket_handler() error handlingDan Carpenter1-6/+9
get_ticket_handler() returns a valid pointer or it returns ERR_PTR(-ENOMEM) if kzalloc() fails. Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Sage Weil <[email protected]>
2010-08-26ceph: don't BUG on ENOMEM during mds reconnectSage Weil1-3/+4
We are in a position to return an error; do that instead. Signed-off-by: Sage Weil <[email protected]>
2010-08-26ceph: ceph_mdsc_build_path() returns an ERR_PTRDan Carpenter1-0/+4
ceph_mdsc_build_path() returns an ERR_PTR but this code is set up to handle NULL returns. Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Sage Weil <[email protected]>
2010-08-26amd64_edac: Do not report error overflow as a separate errorBorislav Petkov2-13/+2
When the Overflow MCi_STATUS bit is set, EDAC reports the lost error with a "no information available" message which often puzzles users parsing the dmesg. This doesn't make much sense since this error has been lost anyway so no need for reporting it separately. Thus, report the overflow bit setting in the MCE dump instead. While at it, remove reporting of MiscV and ErrorEnable (en) which are superfluous. Now it looks like this: [ 1501.650024] MC4_STATUS: Corrected error, other errors lost: yes, CPU context corrupt: no, CECC Error [ 1501.666887] Northbridge Error, node 2 Signed-off-by: Borislav Petkov <[email protected]>
2010-08-26ALSA: hda - Add Sony VAIO quirk for ALC269David Henningsson1-0/+1
The attached patch enables playback on a Sony VAIO machine. BugLink: http://launchpad.net/bugs/618271 Signed-off-by: David Henningsson <[email protected]> Cc: <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2010-08-25tcp: select(writefds) don't hang up when a peer close connectionKOSAKI Motohiro1-1/+2
This issue come from ruby language community. Below test program hang up when only run on Linux. % uname -mrsv Linux 2.6.26-2-486 #1 Sat Dec 26 08:37:39 UTC 2009 i686 % ruby -rsocket -ve ' BasicSocket.do_not_reverse_lookup = true serv = TCPServer.open("127.0.0.1", 0) s1 = TCPSocket.open("127.0.0.1", serv.addr[1]) s2 = serv.accept s2.close s1.write("a") rescue p $! s1.write("a") rescue p $! Thread.new { s1.write("a") }.join' ruby 1.9.3dev (2010-07-06 trunk 28554) [i686-linux] #<Errno::EPIPE: Broken pipe> [Hang Here] FreeBSD, Solaris, Mac doesn't. because Ruby's write() method call select() internally. and tcp_poll has a bug. SUS defined 'ready for writing' of select() as following. | A descriptor shall be considered ready for writing when a call to an output | function with O_NONBLOCK clear would not block, whether or not the function | would transfer data successfully. That said, EPIPE situation is clearly one of 'ready for writing'. We don't have read-side issue because tcp_poll() already has read side shutdown care. | if (sk->sk_shutdown & RCV_SHUTDOWN) | mask |= POLLIN | POLLRDNORM | POLLRDHUP; So, Let's insert same logic in write side. - reference url http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/31065 http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/31068 Signed-off-by: KOSAKI Motohiro <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-08-25tcp: fix three tcp sysctls tuningEric Dumazet1-17/+7
As discovered by Anton Blanchard, current code to autotune tcp_death_row.sysctl_max_tw_buckets, sysctl_tcp_max_orphans and sysctl_max_syn_backlog makes little sense. The bigger a page is, the less tcp_max_orphans is : 4096 on a 512GB machine in Anton's case. (tcp_hashinfo.bhash_size * sizeof(struct inet_bind_hashbucket)) is much bigger if spinlock debugging is on. Its wrong to select bigger limits in this case (where kernel structures are also bigger) bhash_size max is 65536, and we get this value even for small machines. A better ground is to use size of ehash table, this also makes code shorter and more obvious. Based on a patch from Anton, and another from David. Reported-and-tested-by: Anton Blanchard <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-08-26drm/nv20: Don't use pushbuf calls on the original nv20.Francisco Jerez1-2/+2
The "return" command is buggy on the original nv20, it jumps back to the caller address as expected, but it doesn't clear the subroutine active bit making the subsequent pushbuf calls fail with a "stack" overflow. Signed-off-by: Francisco Jerez <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
2010-08-26drm/nouveau: Fix TMDS on some DCB1.5 boards.Francisco Jerez1-14/+6
The TMDS output of an nv11 was being detected as LVDS, because it uses DCB type 2 for TMDS instead of type 4. Reported-by: Bertrand VIEILLE <[email protected]> Signed-off-by: Francisco Jerez <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
2010-08-26drm/nouveau: Fix backlight control on PPC machines with an internal TMDS panel.Francisco Jerez2-21/+27
This commit fixes fdo bug 29685. Reported-by: Vlado Plaga <[email protected]> Signed-off-by: Francisco Jerez <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
2010-08-26drm/nv30: Apply modesetting to the correct slave encoderPatrice Mandin1-3/+5
Signed-off-by: Patrice Mandin <[email protected]> Reviewed-by: Francisco Jerez <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
2010-08-26drm/nouveau: Use a helper function to match PCI device/subsystem IDs.Francisco Jerez3-20/+16
Signed-off-by: Francisco Jerez <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
2010-08-26drm/nv50: add dcb type 14 to enum to prevent compiler complaintBen Skeggs2-1/+2
Signed-off-by: Ben Skeggs <[email protected]>
2010-08-26[CIFS] Eliminate unused variable warningSteve French1-1/+2
CC: Shirish Pargaonkar <[email protected]> Signed-off-by: Steve French <[email protected]>
2010-08-25libata-sff: remove harmful BUG_ON from ata_bmdma_qc_issueMark Lord1-4/+0
Remove harmful BUG_ON() from ata_bmdma_qc_issue(), as it casts too wide of a net and breaks sata_mv. It also crashes the kernel while doing the BUG_ON(). There's already a WARN_ON_ONCE() further down to catch the case of POLLING for a BMDMA operation. Signed-off-by: Mark Lord <[email protected]> Signed-off-by: Jeff Garzik <[email protected]> Cc: [email protected]
2010-08-25sata_mv: fix broken DSM/TRIM support (v2)Mark Lord1-7/+37
Fix DSM/TRIM commands in sata_mv (v2). These need to be issued using old-school "BM DMA", rather than via the EDMA host queue. Since the chips don't have proper BM DMA status, we need to be more careful with setting the ATA_DMA_INTR bit, since DSM/TRIM often has a long delay between "DMA complete" and "command complete". GEN_I chips don't have BM DMA, so no TRIM for them. Signed-off-by: Mark Lord <[email protected]> Signed-off-by: Jeff Garzik <[email protected]> Cc: [email protected]
2010-08-25libata: be less of a drama queen on empty data commandsTejun Heo1-4/+7
ata_qc_issue() BUG_ON()s on data commands w/o data, which may be submitted via SG_IO. Be less of a drama queen and just trigger WARN_ON_ONCE() and fail the command with AC_ERR_SYSTEM. Signed-off-by: Tejun Heo <[email protected]> Reported-by: Stefan Hübner <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
2010-08-25[libata] sata_dwc_460ex: signdness bugDan Carpenter1-1/+1
dma_dwc_xfer_setup() returns an int and "dma_chan" needs to be signed for the error handling to work. Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
2010-08-25ahci: add HFLAG_YES_FBS and apply it to 88SE9128Tejun Heo3-2/+26
88SE9128 can do FBS and sets it in HOST_CAP but forgets to set FBSCP in PORT_CMD. Implement AHCI_HFLAG_YES_FBS and apply it to 88SE9128. Signed-off-by: Tejun Heo <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
2010-08-25libata: remove no longer needed pata_winbond driverBartlomiej Zolnierkiewicz4-285/+14
Winbond W83759A controller is fully supported by pata_legacy driver so remove no longer needed pata_winbond driver. Leave PATA_WINBOND_VLB config option for compatibility reasons and teach pata_legacy to preserve the old behavior of pata_winbond driver. Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
2010-08-25pata_cmd64x: revert commit d62f5576Tejun Heo1-6/+0
Commit d62f5576 (pata_cmd64x: fix handling of address setup timings) incorrectly called ata_timing_compute() on UDMA mode on 0 @UT leading to devide by zero fault. Revert it until better fix is available. This is reported in bko#16607 by Milan Kocian who also root caused it. https://bugzilla.kernel.org/show_bug.cgi?id=16607 Signed-off-by: Tejun Heo <[email protected]> Reported-and-root-caused-by: Milan Kocian <[email protected]> Cc: Bartlomiej Zolnierkiewicz <[email protected]> Cc: [email protected] Signed-off-by: Jeff Garzik <[email protected]>
2010-08-25PCI hotplug: Fix build with CONFIG_ACPI unsetRafael J. Wysocki1-0/+4
One of the recent changes caused complilation of drivers/pci/hotplug/pciehp_core.c to fail. Fix this issue. Signed-off-by: Rafael J. Wysocki <[email protected]> Signed-off-by: Jesse Barnes <[email protected]>
2010-08-25ceph: Fix warningsAlan Cox1-5/+9
Just scrubbing some warnings so I can see real problem ones in the build noise. For 32bit we need to coax gcc politely into believing we really honestly intend to the casts. Using (u64)(unsigned long) means we cast from a pointer to a type of the right size and then extend it. This stops the warning spew. Signed-off-by: Alan Cox <[email protected]> Signed-off-by: Sage Weil <[email protected]>
2010-08-25ceph: ceph_get_inode() returns an ERR_PTRDan Carpenter1-2/+2
ceph_get_inode() returns an ERR_PTR and it doesn't return a NULL. Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Sage Weil <[email protected]>
2010-08-25Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds2-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf, x86, Pentium4: Clear the P4_CCCR_FORCE_OVF flag tracing/trace_stack: Fix stack trace on ppc64
2010-08-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds15-279/+622
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: Eliminate sparse warning - bad constant expression cifs: check for NULL session password missing changes during ntlmv2/ntlmssp auth and sign [CIFS] Fix ntlmv2 auth with ntlmssp cifs: correction of unicode header files cifs: fix NULL pointer dereference in cifs_find_smb_ses cifs: consolidate error handling in several functions cifs: clean up error handling in cifs_mknod
2010-08-25Merge branch 'hwmon-for-linus' of ↵Linus Torvalds4-25/+52
git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: MAINTAINERS: hwmon/coretemp: Change maintainers hwmon: (k8temp) Differentiate between AM2 and ASB1 hwmon: (ads7871) Fix ads7871_probe error paths hwmon: (coretemp) Fix harmless build warning
2010-08-25Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds4-0/+44
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, tsc, sched: Recompute cyc2ns_offset's during resume from sleep states sched: Fix rq->clock synchronization when migrating tasks
2010-08-25Merge branch 'upstream/core' of ↵Linus Torvalds1-5/+16
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen * 'upstream/core' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen: xen: handle events as edge-triggered xen: use percpu interrupts for IPIs and VIRQs
2010-08-25Merge branch '2.6.36-fixes' of ↵Linus Torvalds13-218/+261
git://git.kernel.org/pub/scm/linux/kernel/git/dgc/xfsdev * '2.6.36-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/xfsdev: xfs: do not discard page cache data on EAGAIN xfs: don't do memory allocation under the CIL context lock xfs: Reduce log force overhead for delayed logging xfs: dummy transactions should not dirty VFS state xfs: ensure f_ffree returned by statfs() is non-negative xfs: handle negative wbc->nr_to_write during sync writeback writeback: write_cache_pages doesn't terminate at nr_to_write <= 0 xfs: fix untrusted inode number lookup xfs: ensure we mark all inodes in a freed cluster XFS_ISTALE xfs: unlock items before allowing the CIL to commit
2010-08-25Input: pxa27x_keypad - remove input_free_device() in pxa27x_keypad_remove()Axel Lin1-2/+0
No need to call input_free_device() after input_unregister_device(). Signed-off-by: Axel Lin <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2010-08-25Input: mousedev - fix regression of inverting axesChristoph Fritz1-4/+4
Introduced by 987a6c0298260b7aa40702b349282554d6180e4b a swap in max/min calculation gets fixed by this patch. Reported-by: Bruno Prémont <[email protected]> Signed-off-by: Christoph Fritz <[email protected]> Signed-off-by: Dmitry Torokhov <[email protected]>
2010-08-25MAINTAINERS: hwmon/coretemp: Change maintainersFenghua Yu1-2/+1
Huaxu and Rudolf want me to be the hwmon coretemp driver maintainer and remove their names from the coretemp maintainer entry. Signed-off-by: Fenghua Yu <[email protected]> Acked-by: Rudolf Marek <[email protected]> Acked-by: Huaxu Wan <[email protected]> Signed-off-by: Jean Delvare <[email protected]>
2010-08-25hwmon: (k8temp) Differentiate between AM2 and ASB1Andreas Herrmann1-3/+32
Commit 8bf0223ed515be24de0c671eedaff49e78bebc9c (hwmon, k8temp: Fix temperature reporting for ASB1 processor revisions) fixed temperature reporting for ASB1 CPUs. But those CPU models (model 0x6b, 0x6f, 0x7f) were packaged both as AM2 (desktop) and ASB1 (mobile). Thus the commit leads to wrong temperature reporting for AM2 CPU parts. The solution is to determine the package type for models 0x6b, 0x6f, 0x7f. This is done using BrandId from CPUID Fn8000_0001_EBX[15:0]. See "Constructing the processor Name String" in "Revision Guide for AMD NPT Family 0Fh Processors" (Rev. 3.46). Cc: Rudolf Marek <[email protected]> Cc: [email protected] [.32.x, .33.x, .34.x, .35.x] Reported-by: Vladislav Guberinic <[email protected]> Signed-off-by: Andreas Herrmann <[email protected]> Signed-off-by: Jean Delvare <[email protected]>
2010-08-25hwmon: (ads7871) Fix ads7871_probe error pathsAxel Lin1-19/+19
1. remove 'status' variable 2. remove unneeded initialization of 'err' variable 3. return missing error code if sysfs_create_group fail. 4. fix the init sequence as: - check hardware existence - kzalloc for ads7871_data - sysfs_create_group - hwmon_device_register Signed-off-by: Axel Lin <[email protected]> Cc: [email protected] Signed-off-by: Jean Delvare <[email protected]>
2010-08-25hwmon: (coretemp) Fix harmless build warningJean Delvare1-1/+0
Fix the following build warning: CC [M] drivers/hwmon/coretemp.o drivers/hwmon/coretemp.c: In function "coretemp_init": drivers/hwmon/coretemp.c:521: warning: unused variable "n" drivers/hwmon/coretemp.c:521: warning: unused variable "p" Introduced by commit 851b29cb3b196cb66452ec964ab5f66c9c9cd1ed. When you drop code, you also have to drop the variables this code was using. Signed-off-by: Jean Delvare <[email protected]> Cc: Chen Gong <[email protected]> Cc: Rudolf Marek <[email protected]> Cc: Huaxu Wan <[email protected]>
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