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2008-12-04netx-eth: initialize per device spinlockUwe Kleine-König1-0/+2
The spinlock used in the netx-eth driver was never properly initialized. This was noticed using CONFIG_DEBUG_SPINLOCK=y Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-04tcp: make urg+gso work for real this timeIlpo Järvinen1-12/+10
I should have noticed this earlier... :-) The previous solution to URG+GSO/TSO will cause SACK block tcp_fragment to do zig-zig patterns, or even worse, a steep downward slope into packet counting because each skb pcount would be truncated to pcount of 2 and then the following fragments of the later portion would restore the window again. Basically this reverts "tcp: Do not use TSO/GSO when there is urgent data" (33cf71cee1). It also removes some unnecessary code from tcp_current_mss that didn't work as intented either (could be that something was changed down the road, or it might have been broken since the dawn of time) because it only works once urg is already written while this bug shows up starting from ~64k before the urg point. The retransmissions already are split to mss sized chunks, so only new data sending paths need splitting in case they have a segment otherwise suitable for gso/tso. The actually check can be improved to be more narrow but since this is late -rc already, I'll postpone thinking the more fine-grained things. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-04enc28j60: Fix sporadic packet loss (corrected again)Baruch Siach1-2/+14
Packet data read from the RX buffer the when the RSV is at the end of the RX buffer does not warp around. This causes packet loss, as the actual data is never read. Fix this by calculating the right packet data location. Thanks to Shachar Shemesh for suggesting the fix. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Acked-by: Claudio Lanconelli <lanconelli.claudio@eptar.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-04hysdn: fix writing outside the field on 64 bitsPascal Terjan1-2/+2
ifa_local is assumed to be unsigned long which lead to writing the address at dev->dev_addr-2 instead of +2 noticed thanks to gcc: drivers/isdn/hysdn/hysdn_net.c: In function `net_open': drivers/isdn/hysdn/hysdn_net.c:91: warning: array subscript is below array bounds Signed-off-by: Pascal Terjan <pterjan@mandriva.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-04b1isa: fix b1isa_exit() to really remove registered capi controllersWilfried Klaebe1-4/+2
On "/etc/init.d/capiutils stop", this oops happened. The oops happens on reading /proc/capi/controllers because capi_ctrl->procinfo is called for the wrongly not unregistered controller, which points to b1isa_procinfo(), which was removed on module unload. b1isa_exit() did not call b1isa_remove() for its controllers because io[0] == 0 on module unload despite having been 0x340 on module load. Besides, just removing the controllers that where added on module load time and not those that were added later via b1isa_add_card() is wrong too - the place where all added cards are found is isa_dev[]. relevant dmesg lines: [ 0.000000] Linux version 2.6.27.4 (w@shubashi) (gcc version 4.3.2 (Debian 4.3.2-1) ) #3 Thu Oct 30 16:49:03 CET 2008 [ 67.403555] CAPI Subsystem Rev 1.1.2.8 [ 68.529154] capifs: Rev 1.1.2.3 [ 68.563292] capi20: Rev 1.1.2.7: started up with major 68 (middleware+capifs) [ 77.026936] b1: revision 1.1.2.2 [ 77.049992] b1isa: revision 1.1.2.3 [ 77.722655] kcapi: Controller [001]: b1isa-340 attached [ 77.722671] b1isa: AVM B1 ISA at i/o 0x340, irq 5, revision 255 [ 81.272669] b1isa-340: card 1 "B1" ready. [ 81.272683] b1isa-340: card 1 Protocol: DSS1 [ 81.272689] b1isa-340: card 1 Linetype: point to multipoint [ 81.272695] b1isa-340: B1-card (3.11-03) now active [ 81.272702] kcapi: card [001] "b1isa-340" ready. [ 153.721281] kcapi: card [001] down. [ 154.151889] BUG: unable to handle kernel paging request at e87af000 [ 154.152081] IP: [<e87af000>] [ 154.153292] *pde = 2655b067 *pte = 00000000 [ 154.153307] Oops: 0000 [#1] [ 154.153360] Modules linked in: rfcomm l2cap ppdev lp ipt_MASQUERADE tun capi capifs kernelcapi ac battery nfsd exportfs nfs lockd nfs_acl sunrpc sit tunnel4 bridge stp llc ipt_REJECT ipt_LOG xt_tcpudp xt_state iptable_filter iptable_mangle iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack ip_tables x_tables nls_utf8 isofs nls_base zlib_inflate loop ipv6 netconsole snd_via82xx dvb_usb_dib0700 gameport dib7000p dib7000m dvb_usb snd_ac97_codec ac97_bus dvb_core mt2266 snd_pcm tuner_xc2028 dib3000mc dibx000_common mt2060 dib0070 snd_page_alloc snd_mpu401_uart snd_seq_midi snd_seq_midi_event btusb snd_rawmidi bluetooth snd_seq snd_timer snd_seq_device snd via686a i2c_viapro soundcore i2c_core parport_pc parport button dm_mirror dm_log dm_snapshot floppy sg ohci1394 uhci_hcd ehci_hcd 8139too mii ieee1394 usbcore sr_mod cdrom sd_mod thermal processor fan [last unloaded: b1] [ 154.153360] [ 154.153360] Pid: 4132, comm: capiinit Not tainted (2.6.27.4 #3) [ 154.153360] EIP: 0060:[<e87af000>] EFLAGS: 00010286 CPU: 0 [ 154.153360] EIP is at 0xe87af000 [ 154.153360] EAX: e6b9ccc8 EBX: e6b9ccc8 ECX: e87a0c67 EDX: e87af000 [ 154.153360] ESI: e142bbc0 EDI: e87a56e0 EBP: e0505f0c ESP: e0505ee4 [ 154.153360] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 [ 154.153360] Process capiinit (pid: 4132, ti=e0504000 task=d1196cf0 task.ti=e0504000) [ 154.153360] Stack: e879f650 00000246 e0505ef4 c01472eb e0505f0c 00000246 e7001780 fffffff4 [ 154.153360] fffffff4 e142bbc0 e0505f48 c01a56c6 00000400 b805e000 d102dc80 e142bbe0 [ 154.153360] 00000000 e87a56e0 00000246 e12617ac 00000000 00000000 e1261760 fffffffb [ 154.153360] Call Trace: [ 154.153360] [<e879f650>] ? controller_show+0x20/0x90 [kernelcapi] [ 154.153360] [<c01472eb>] ? trace_hardirqs_on+0xb/0x10 [ 154.153360] [<c01a56c6>] ? seq_read+0x126/0x2f0 [ 154.153360] [<c01a55a0>] ? seq_read+0x0/0x2f0 [ 154.153360] [<c01c033c>] ? proc_reg_read+0x5c/0x90 [ 154.153360] [<c0189919>] ? vfs_read+0x99/0x140 [ 154.153360] [<c01c02e0>] ? proc_reg_read+0x0/0x90 [ 154.153360] [<c0189a7d>] ? sys_read+0x3d/0x70 [ 154.153360] [<c0103c3d>] ? sysenter_do_call+0x12/0x35 [ 154.153360] ======================= [ 154.153360] Code: Bad EIP value. [ 154.153360] EIP: [<e87af000>] 0xe87af000 SS:ESP 0068:e0505ee4 [ 154.153360] ---[ end trace 23750b6c2862de94 ]--- Signed-off-by: Wilfried Klaebe <linux-kernel@lebenslange-mailadresse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Karsten Keil <kkeil@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-04can: Fix CAN_(EFF|RTR)_FLAG handling in can_filterOliver Hartkopp3-19/+53
Due to a wrong safety check in af_can.c it was not possible to filter for SFF frames with a specific CAN identifier without getting the same selected CAN identifier from a received EFF frame also. This fix has a minimum (but user visible) impact on the CAN filter API and therefore the CAN version is set to a new date. Indeed the 'old' API is still working as-is. But when now setting CAN_(EFF|RTR)_FLAG in can_filter.can_mask you might get less traffic than before - but still the stuff that you expected to get for your defined filter ... Thanks to Kurt Van Dijck for pointing at this issue and for the review. Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net> Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-04Phonet: do not dump addresses from other namespacesremi.denis-courmont@nokia1-0/+3
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-03netlabel: Fix a potential NULL pointer dereferencePaul Moore1-4/+6
Fix a potential NULL pointer dereference seen when trying to remove a static label configuration with an invalid address/mask combination. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-03bnx2: Add workaround to handle missed MSI.Michael Chan2-3/+38
The bnx2 chips do not support per MSI vector masking. On 5706/5708, new MSI address/data are stored only when the MSI enable bit is toggled. As a result, SMP affinity no longer works in the latest kernel. A more serious problem is that the driver will no longer receive interrupts when the MSI receiving CPU goes offline. The workaround in this patch only addresses the problem of CPU going offline. When that happens, the driver's timer function will detect that it is making no forward progress on pending interrupt events and will recover from it. Eric Dumazet reported the problem. We also found that if an interrupt is internally asserted while MSI and INTA are disabled, the chip will end up in the same state after MSI is re-enabled. The same workaround is needed for this problem. Signed-off-by: Michael Chan <mchan@broadcom.com> Tested-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-03xfrm: Fix kernel panic when flush and dump SPD entriesWei Yongjun1-0/+1
After flush the SPD entries, dump the SPD entries will cause kernel painc. Used the following commands to reproduct: - echo 'spdflush;' | setkey -c - echo 'spdadd 3ffe:501:ffff:ff01::/64 3ffe:501:ffff:ff04::/64 any -P out ipsec \ ah/tunnel/3ffe:501:ffff:ff00:200:ff:fe00:b0b0-3ffe:501:ffff:ff02:200:ff:fe00:a1a1/require;\ spddump;' | setkey -c - echo 'spdflush; spddump;' | setkey -c - echo 'spdadd 3ffe:501:ffff:ff01::/64 3ffe:501:ffff:ff04::/64 any -P out ipsec \ ah/tunnel/3ffe:501:ffff:ff00:200:ff:fe00:b0b0-3ffe:501:ffff:ff02:200:ff:fe00:a1a1/require;\ spddump;' | setkey -c This is because when flush the SPD entries, the SPD entry is not remove from the list. This patch fix the problem by remove the SPD entry from the list. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds4-88/+116
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] hpwdt: Fix kdump when using hpwdt [WATCHDOG] hpwdt: set the mapped BIOS address space as executable [WATCHDOG] iTCO_wdt: add PCI ID's for ICH9 & ICH10 chipsets [WATCHDOG] iTCO_wdt : correct status clearing [WATCHDOG] iTCO_wdt : problem with rebooting on new ICH9 based motherboards [WATCHDOG] fix mtx1_wdt compilation failure
2008-12-03Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6Linus Torvalds15-111/+223
* 'linux-next' of git://git.infradead.org/ubifs-2.6: UBIFS: pre-allocate bulk-read buffer UBIFS: do not allocate too much UBIFS: do not print scary memory allocation warnings UBIFS: allow for gaps when dirtying the LPT UBIFS: fix compilation warnings MAINTAINERS: change UBI/UBIFS git tree URLs UBIFS: endian handling fixes and annotations UBIFS: remove printk
2008-12-03Merge branch 'kvm-updates/2.6.28' of ↵Linus Torvalds9-7/+29
git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm * 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: KVM: MMU: avoid creation of unreachable pages in the shadow KVM: ppc: stop leaking host memory on VM exit KVM: MMU: fix sync of ptes addressed at owner pagetable KVM: ia64: Fix: Use correct calling convention for PAL_VPS_RESUME_HANDLER KVM: ia64: Fix incorrect kbuild CFLAGS override KVM: VMX: Fix interrupt loss during race with NMI KVM: s390: Fix problem state handling in guest sigp handler
2008-12-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2-54/+14
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix offset calculation in compute_size() rtc: rtc-starfire fixes
2008-12-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds40-85/+229
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (30 commits) MAINTAINERS: add netdev to ATM ATM: horizon, fix hrz_probe fail path pppol2tp: Add missing sock_put() in pppol2tp_release() net: Fix soft lockups/OOM issues w/ unix garbage collector macvlan: don't broadcast PAUSE frames to macvlan devices Phonet: fix oops in phonet_address_del() on non-Phonet device netfilter: ctnetlink: fix GFP_KERNEL allocation under spinlock sungem: Fix PCS_MIICTRL register write in gem_init_phy(). net: make skb_truesize_bug() call WARN() net: hp-plus uses eip_poll net/wireless/reg.c: fix bad WARN_ON in if statement ath5k: disable beacon filter when station is not associated ath5k: fix Security issue in DebugFS part of ath5k ath9k: correct expected max RX buffer size ath9k: Fix SW-IOMMU bounce buffer starvation mac80211 : Fix setting ad-hoc mode and non-ibss channel iwlagn: fix DMA sync phylib: Add Vitesse VSC8221 SGMII PHY rose: zero length frame filtering in af_rose.c bridge: netfilter: fix update_pmtu crash with GRE ...
2008-12-03Merge branch 'for-linus' of ↵Linus Torvalds13-651/+863
git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Update defconfigs for 2.6.28-rc7 macfb: Do not overflow fb_fix_screeninfo.id
2008-12-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds6-25/+38
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: alim15x3: fix sparse warning ide: remove dead code from drive_is_ready() ide: fix build for DEBUG_PM ide: respect current DMA setting during resume ide: add SAMSUNG SP0822N with firmware WA100-10 to ivb_list[] amd74xx: workaround unreliable AltStatus register for nVidia controllers ide: fix the ide_release_lock imbalance
2008-12-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds11-33/+42
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] stex: switch to block timeout [SCSI] make scsi_eh_try_stu use block timeout [SCSI] megaraid_sas: switch to block timeout [SCSI] ibmvscsi: switch to block timeout [SCSI] aacraid: switch to block timeout [SCSI] zfcp: prevent double decrement on host_busy while being busy [SCSI] zfcp: fix deadlock between wq triggered port scan and ERP [SCSI] zfcp: eliminate race between validation and locking [SCSI] zfcp: verify for correct rport state before scanning for SCSI devs [SCSI] zfcp: returning an ERR_PTR where a NULL value is expected [SCSI] zfcp: Fix opening of wka ports [SCSI] zfcp: fix remote port status check [SCSI] fc_transport: fix old bug on bitflag definitions [SCSI] Fix hang in starved list processing
2008-12-03MN10300: Fix application of kernel module relocationsMark Salter1-28/+7
This fixes the MN10300 kernel module linking to match the toolchain. RELA relocs don't use the value at the location being relocated. This has been working because the tools always leave the value at the target location cleared. Signed-off-by: Mark Salter <msalter@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-03sgi-gru: call fs_initcall() if statically linkedDean Nelson1-1/+1
If xpc.ko and gru.ko are both statically linked into the kernel, then xpc_init() can get called before gru_init() and make a call to one of the gru's exported functions before the gru has initialized itself. The end result is a NULL dereference. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-03powerpc: Use physical cpu id when setting the processor affinityKumar Gala1-1/+1
In the CONFIG_SMP case the irq_choose_cpu() code was returning back a logical cpu id not the physical id. We were writing that directly into the HW register. We need to be calling get_hard_smp_processor_id() so irq_choose_cpu() always returns a physical cpu id. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-03vmscan: evict streaming IO firstRik van Riel1-1/+6
Count the insertion of new pages in the statistics used to drive the pageout scanning code. This should help the kernel quickly evict streaming file IO. We count on the fact that new file pages start on the inactive file LRU and new anonymous pages start on the active anon list. This means streaming file IO will increment the recent scanned file statistic, while leaving the recent rotated file statistic alone, driving pageout scanning to the file LRUs. Pageout activity does its own list manipulation. Signed-off-by: Rik van Riel <riel@redhat.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Tested-by: Gene Heskett <gene.heskett@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-03bdi: register sysfs bdi device only once per queueKay Sievers1-0/+3
Devices which share the same queue, like floppies and mtd devices, get registered multiple times in the bdi interface, but bdi accounts only the last registered device of the devices sharing one queue. On remove, all earlier registered devices leak, stay around in sysfs, and cause "duplicate filename" errors if the devices are re-created. This prevents the creation of multiple bdi interfaces per queue, and the bdi device will carry the dev_t name of the block device which is the first one registered, of the pool of devices using the same queue. [akpm@linux-foundation.org: add a WARN_ON so we know which drivers are misbehaving] Tested-by: Peter Korsgaard <jacmet@sunsite.dk> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-03nfsd: fix vm overcommit crash fix #2Junjiro R. Okajima1-4/+8
The previous patch from Alan Cox ("nfsd: fix vm overcommit crash", commit 731572d39fcd3498702eda4600db4c43d51e0b26) fixed the problem where knfsd crashes on exported shmemfs objects and strict overcommit is set. But the patch forgot supporting the case when CONFIG_SECURITY is disabled. This patch copies a part of his fix which is mainly for detecting a bug earlier. Acked-by: James Morris <jmorris@namei.org> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Junjiro R. Okajima <hooanon05@yahoo.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02m68k: Update defconfigs for 2.6.28-rc7Geert Uytterhoeven12-612/+828
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2008-12-02alim15x3: fix sparse warningHannes Eder1-1/+1
Fix this sparse warning: drivers/ide/alim15x3.c:594:2: warning: returning void-valued expression Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02ide: remove dead code from drive_is_ready()Bartlomiej Zolnierkiewicz1-5/+0
We guarantee 400ns delay at the time of issuing the command. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02ide: fix build for DEBUG_PMBartlomiej Zolnierkiewicz1-9/+10
Also while at it: * Drop unused arguments from ide_complete_power_step(). * Move DEBUG_PM printk() from ide_end_drive_cmd() to ide_complete_power_step(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02ide: respect current DMA setting during resumeBartlomiej Zolnierkiewicz1-4/+2
Respect current DMA setting during resume, otherwise PIO timings may get destroyed if host uses shared PIO/MWDMA timings. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02ide: add SAMSUNG SP0822N with firmware WA100-10 to ivb_list[]Bartlomiej Zolnierkiewicz1-0/+1
Should fix kernel.org bug #10225: http://bugzilla.kernel.org/show_bug.cgi?id=10225 Reported-by: Matthias B. <haferfrost@web.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Sergei Shtyltov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02amd74xx: workaround unreliable AltStatus register for nVidia controllersBartlomiej Zolnierkiewicz4-3/+22
It seems that on some nVidia controllers using AltStatus register can be unreliable so default to Status register if the PCI device is in Compatibility Mode. In order to achieve this: * Add ide_pci_is_in_compatibility_mode() inline helper to <linux/ide.h>. * Add IDE_HFLAG_BROKEN_ALTSTATUS host flag and set it in amd74xx host driver for nVidia controllers in Compatibility Mode. * Teach actual_try_to_identify() and drive_is_ready() about the new flag. This fixes the regression caused by removal of CONFIG_IDEPCI_SHARE_IRQ config option in 2.6.25 and using AltStatus register unconditionally when available (kernel.org bugs #11659 and #10216). [ Moreover for CONFIG_IDEPCI_SHARE_IRQ=y (which is what most people and distributions use) it never worked correctly. ] Thanks to Remy LABENE and Lars Winterfeld for help with debugging the problem. More info at: http://bugzilla.kernel.org/show_bug.cgi?id=11659 http://bugzilla.kernel.org/show_bug.cgi?id=10216 Reported-by: Remy LABENE <remy.labene@free.fr> Tested-by: Remy LABENE <remy.labene@free.fr> Tested-by: Lars Winterfeld <lars.winterfeld@tu-ilmenau.de> Acked-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02ide: fix the ide_release_lock imbalanceMichael Schmitz1-3/+2
ide_release_lock() spits out lots of: ide_release_lock: bug warnings on Atari Falcon. Fix the ide_release_lock imbalance. Signed-off-by: Michael Schmitz <schmitz@biophys.uni-duesseldorf.de> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-02macfb: Do not overflow fb_fix_screeninfo.idFinn Thain1-39/+35
Don't overflow the 16-character fb_fix_screeninfo id string (fixes some console erasing and blanking artifacts). Have the ID default to "Unknown" on machines with no built-in video and no nubus devices. Check for fb_alloc_cmap failure. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2008-12-02Linux 2.6.28-rc7v2.6.28-rc7Linus Torvalds1-2/+2
2008-12-02Merge branch 'for_linus' of ↵Linus Torvalds26-149/+410
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (25 commits) em28xx: remove backward compat macro added on a previous fix V4L/DVB (9748): em28xx: fix compile warning V4L/DVB (9743): em28xx: fix oops audio V4L/DVB (9742): em28xx-alsa: implement another locking schema V4L/DVB (9732): sms1xxx: use new firmware for Hauppauge WinTV MiniStick V4L/DVB (9691): gspca: Move the video device to a separate area. V4L/DVB (9690): gspca: Lock the subdrivers via module_get/put. V4L/DVB (9689): gspca: Memory leak when disconnect while streaming. V4L/DVB (9668): em28xx: fix a race condition with hald V4L/DVB (9664): af9015: don't reconnect device in USB-bus V4L/DVB (9647): em28xx: void having two concurrent control URB's V4L/DVB (9646): em28xx: avoid allocating/dealocating memory on every control urb V4L/DVB (9645): em28xx: Avoid memory leaks if registration fails V4L/DVB (9639): Make dib0700 remote control support work with firmware v1.20 V4L/DVB (9635): v4l: s2255drv fix firmware test on big-endian V4L/DVB (9634): Make sure the i2c gate is open before powering down tuner V4L/DVB (9632): make em28xx aux audio input work V4L/DVB (9631): Make s2api work for ATSC support V4L/DVB (9627): em28xx: Avoid i2c register error for boards without eeprom V4L/DVB (9608): Fix section mismatch warning for dm1105 during make ...
2008-12-02drivers/gpu/drm/i915/i915_irq.c: fix warningAndrew Morton1-1/+1
drivers/gpu/drm/i915/i915_irq.c: In function 'i915_disable_pipestat': drivers/gpu/drm/i915/i915_irq.c:101: warning: control may reach end of non-void function 'i915_pipestat' being inlined Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02i82875p_edac: fix module removeJarkko Lavinen1-6/+7
Fix module removal bugs of i82875p_edac. Also i82975x_edac code seems to have the same module removal bugs as in i82875p_edac. The problems were: 1. In module removal i82875p_remove_one() is never called. Variable i82875p_registered is newer changed from 1, which guarantees i82875p_remove_one() is not called (and even if it were called, it would be called in wrong order). As a result, the edac_mc workque is not stopped and keeps probing. If kernel debugging options are not enabled, user may not notice anything going wrong. if debugging options are enabled and I do "rmmod i82875p_edac", I get: edac debug: edac_pci_workq_function() checking BUG: unable to handle kernel paging request at f882d16f ... call trace: [<f8834df3>] ? edac_mc_workq_function+0x55/0x7e [edac_core] [<c0233974>] ? run_workqueue+0xd7/0x1a5 [<c023392f>] ? run_workqueue+0x92/0x1a5 [<f8834d9e>] ? edac_mc_workq_function+0x0/0x7e [edac_core] [<c0233af9>] ? worker_thread+0xb7/0xc3 [<c0236a7b>] ? autoremove_wake_function+0x0/0x33 [<c0233a42>] ? worker_thread+0x0/0xc3 [<c0236809>] ? kthread+0x3b/0x61 [<c02367ce>] ? kthread+0x0/0x61 [<c0204587>] ? kernel_thread_helper+0x7/0x10 Fix for this is to get rid of needles variable i82875p_registered altogether and run i82875p_remove_one() *before* pci_unregister_driver(). 2. edac_mc_del_mc() uses mci after freeing mci edac_mc_del_mc() calls calls edac_remove_sysfs_mci_device(). The kobject refcount of mci drops to 0 and mci is freed. After this mci is accessed via debug print and i82875p_remove_one() still uses mci->pvt and tries to free mci again with edac_mc_free(). The fix for this is add kobject_get(&mci->edac_mci_kobj) after edac_mc_alloc(). Then the mci is still available after returning from edac_mc_del_mc() with refcount 1, and mci->pvt is still available. When i82875p_remove_one() finally calls edac_mc_free(), this will cause kobject_put() and mci is released properly. Signed-off-by: Jarkko Lavinen <jlavi@iki.fi> Cc: Doug Thompson <norsk5@yahoo.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>
2008-12-02i82875p_edac: fix overflow device resource setupJarkko Lavinen1-0/+1
When I do "modprobe i82875p_edac" on my Asus P4C800 MB on kernels 2.6.26 or later, the module load fails due to BAR 0 collision. On 2.6.25 the module loads just fine. The overflow device on the MB seems to be hidden and its resources are not allocated at normal PCI bus init. Log shows the missing resource problem: EDAC DEBUG: i82875p_probe1() PCI: 0000:00:06.0 reg 10 32bit mmio: [fecf0000, fecf0fff] pci 0000:00:06.0: device not available because of BAR 0 [0xfecf0000-0xfecf0fff] collisions EDAC i82875p: i82875p_setup_overfl_dev(): Failed to enable overflow device The patch below fixes this by calling pci_bus_assign_resources() after the overflow device is revealed and added to the bus. With this patch I am again able to load and use the module. Signed-off-by: Jarkko Lavinen <jlavi@iki.fi> Cc: Doug Thompson <norsk5@yahoo.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> 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>
2008-12-02fbdev: fix FB console blankingDmitry Baryshkov1-6/+3
The commit aef7db4bd5a3b6068dfa05919a3d685199eed116 fixed the problem with recursive locking in fb blanking code if blank is caused by user setting the /sys/class/graphics/fb*/blank. However this broke the fbcon timeout blanking. If you use a driver that defines ->fb_blank operation and at the same time that driver relies on other driver (e.g. backlight or lcd class) to blank the screen, when the fbcon times out and tries to blank the fb, it will call only fb driver blanker and won't notify the other driver. Thus FB output is disabled, but the screen isn't blanked. Restore fbcon blanking and at the same time apply the proper fix for the above problem: if fbcon_blank is called with FBINFO_FLAG_USEREVENT, we are already called through notification from fb_blank, thus we don't have to blank the fb again. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02ntfs: don't fool kernel-docRandy Dunlap1-6/+2
kernel-doc handles macros now (it has for quite some time), so change the ntfs_debug() macro's kernel-doc to be just before the macro instead of before a phony function prototype. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Anton Altaparmakov <aia21@cantab.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02kernel-doc: handle varargs cleanlyRandy Dunlap1-3/+7
The method for listing varargs in kernel-doc notation is: * @...: these arguments are printed by the @fmt argument but scripts/kernel-doc is confused: it always lists varargs as: ... variable arguments and ignores the @...: line's description, but then prints that line after the list of function parameters as though it's not part of the function parameters. This patch makes kernel-doc print the supplied @... description if it is present; otherwise a boilerplate "variable arguments" is printed. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02lib/idr.c: fix rcu related race with idr_findManfred Spraul2-3/+14
2nd part of the fixes needed for http://bugzilla.kernel.org/show_bug.cgi?id=11796. When the idr tree is either grown or shrunk, then the update to the number of layers and the top pointer were not atomic. This race caused crashes. The attached patch fixes that by replicating the layers counter in each layer, thus idr_find doesn't need idp->layers anymore. Signed-off-by: Manfred Spraul <manfred@colorfullife.com> Cc: Clement Calmels <cboulte@gmail.com> Cc: Nadia Derbey <Nadia.Derbey@bull.net> Cc: Pierre Peiffer <peifferp@gmail.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02DMA-API.txt: fix description of pci_map_sg/dma_map_sg scatterlists handlingFUJITA Tomonori1-5/+3
- pci_map_sg/dma_map_sg are used with a scatter gather list that doesn't come from the block layer (e.g. some network drivers do). - how IOMMUs merge adjacent elements of the scatter/gather list is independent of how the block layer determines sees elements. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Tejun Heo <htejun@gmail.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02frv: fix mmap2 error handlingDavid Howells1-9/+8
Fix the error handling in sys_mmap2(). Currently, if the pgoff check fails, fput() might have to be called (which it isn't), so do the pgoff check first, before fget() is called. Signed-off-by: David Howells <dhowells@redhat.com> Reported-by: Julia Lawall <julia@diku.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02taint: add missing commentArjan van de Ven1-0/+1
The description for 'D' was missing in the comment... (causing me a minute of WTF followed by looking at more of the code) Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02radeonfb: fix problem with color expansion & alignmentBenjamin Herrenschmidt2-9/+30
The engine on some radeon variants locks up if color expansion is called for non aligned source data. This patch enables a feature of the core fbdev to request aligned input pixmaps and uses the HW clipping engine to clip the output to the requested size Addresses http://bugzilla.kernel.org/show_bug.cgi?id=11875 Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Tested-by: James Cloos <cloos@jhcloos.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: "David S. Miller" <davem@davemloft.net> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-02spi: fix spi_s3c24xx_gpio num_chipselectBen Dooks2-0/+2
The spi master driver must have num_chipselect set to allow the bus to initialise. Pass this through the platform data. Signed-off-by: Ben Dooks <ben-linux@fluff.org> 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>
2008-12-02spi: fix spi_s3c24xx_gpio device handle lookupBen Dooks1-1/+1
The spidev_to_sg() call in spi_s3c24xx_gpio.c was using the wrong method to convert the spi device into the private data for the driver. Fix this by using spi_master_get_devdata. Signed-off-by: Ben Dooks <ben-linux@fluff.org> 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>
2008-12-02spi: au1550_spi full duplex dma fixJan Nikitenko1-10/+16
Fix unsafe order in dma mapping operation: always flush data from the cache *BEFORE* invalidating it, to allow full duplex transfers where the same buffer may be used for both writes and reads. Tested with mmc-spi. Signed-off-by: Jan Nikitenko <jan.nikitenko@gmail.com> 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>
2008-12-02spi: fix spi_imx probe oopsingJulien Boibessot1-12/+13
Corrects spi_imx driver oops during initialization/probing: can't use drv_data before it's allocated. Signed-off-by: Julien Boibessot <julien.boibessot@armadeus.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> 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>
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