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2007-11-20[S390] cio: change device sense procedure to work with pav aliasesPeter Oberparleiter
Modify the sense id channel program to allow device sensing of pav alias devices which belong to a base device with ungrouped paths. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-11-16Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreqLinus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] Fix up whitespace in conservative governor. [CPUFREQ] Make cpufreq_conservative handle out-of-sync events properly [CPUFREQ] architectural pstate driver for powernow-k8
2007-11-15Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NETFILTER]: Fix NULL pointer dereference in nf_nat_move_storage() [SUNHME]: VLAN support for sunhme [CHELSIO]: Fix skb->dev setting. [NETFILTER]: fix compat_nf_sockopt typo [INET]: Fix potential kfree on vmalloc-ed area of request_sock_queue [VIA_VELOCITY]: Don't oops on MTU change. iwl4965: fix not correctly dealing with hotunplug rt2x00: Fix chipset revision validation iwl3945: place CCK rates in front of OFDM for supported rates mac80211: Fix queuing of scan containing a SSID
2007-11-15[SUNHME]: VLAN support for sunhmeChris Poon
This patch enables VLAN support on sunhme by increasing BMAC_TXMAX/BMAC_RXMAX and allocating extra space via skb_put for the VLAN header. Signed-off-by: Chris Poon <dev-null@telus.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-15[CHELSIO]: Fix skb->dev setting.Divy Le Ray
eth_type_trans() now sets skb->dev. Access skb->def after it gets set. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-15Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c/eeprom: Recognize VGN as a valid Sony Vaio name prefix i2c/eeprom: Hide Sony Vaio serial numbers i2c-pasemi: Fix NACK detection i2c-pasemi: Replace obsolete "driverfs" reference with "sysfs" i2c: Make i2c_check_addr static i2c-dev: Unbound new-style i2c clients aren't busy i2c-dev: "how does it work" comments
2007-11-15i2c/eeprom: Recognize VGN as a valid Sony Vaio name prefixJean Delvare
Recent (i.e. 2005 and later) Sony Vaio laptops have names beginning with VGN rather than PCG. Update the eeprom driver so that it recognizes these. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-11-15i2c/eeprom: Hide Sony Vaio serial numbersJean Delvare
The sysfs interface to DMI data takes care to not make the system serial number and UUID world-readable, presumably due to privacy concerns. For consistency, we should not let the eeprom driver export these same strings to the world on Sony Vaio laptops. Instead, only make them readable by root, as we already do for BIOS passwords. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-11-15i2c-pasemi: Fix NACK detectionOlof Johansson
Turns out we don't actually check the status to see if there was a device out there to talk to, just if we had a timeout when doing so. Add the proper check, so we don't falsly think there are devices on the bus that are not there, etc. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-11-15i2c-pasemi: Replace obsolete "driverfs" reference with "sysfs"Robert P. J. Day
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-11-15i2c: Make i2c_check_addr staticJean Delvare
i2c_check_addr is only used inside i2c-core now, so we can make it static and stop exporting it. Thanks to David Brownell for noticing. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-11-15i2c-dev: Unbound new-style i2c clients aren't busyJean Delvare
Let i2c-dev deal properly with new-style i2c clients. Instead of considering them always busy, it needs to check wether a driver is bound to them or not. This is still not completely correct, as the client could become busy later, but the same problem already existed before new-style clients were introduced. We'll want to fix it someday. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: David Brownell <dbrownell@users.sourceforge.net>
2007-11-15i2c-dev: "how does it work" commentsDavid Brownell
This adds some "how does this work" comments to the i2c-dev driver, plus separators between the three main components: - The parallel list of i2c_adapters ("i2c_dev_list"), each of which gets a "struct i2c_dev" and a /dev/i2c-X character special file. - An i2cdev_driver gets adapter add/remove notifications, which are used to maintain that list of adapters. - Special file operations, which let userspace talk either directly to the adapter (for i2c_msg operations) or through cached addressing info using an anonymous i2c_client (never registered anywhere). Plus there's the usual module load/unload record keeping. After making sense of this code, I think that the anonymous i2c_client is pretty shady. But since it's never registered, using this code with a system set up for "new style" I2C drivers is no more complicated than always using the I2C_SLAVE_FORCE ioctl (instead of I2C_SLAVE). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-11-15Revert "skge: fix ram buffer size calculation"Linus Torvalds
This reverts commit 7fb7ac241162dc51ec0f7644d4a97b2855213c32. Heikki Orsila reports that it causes a regression: "Doing nc host port < /dev/zero on a sending machine (not skge) to an skge machine that is receiving: nc -l -p port >/dev/null with ~60 MiB/s speed, causes the interface go malfunct. A slow transfer doesn't cause a problem." See http://bugzilla.kernel.org/show_bug.cgi?id=9321 for some more information. There is a workaround (also reported by Heikki): "After some fiddling, I noticed that not changing the register write order on patch: + skge_write32(hw, RB_ADDR(q, RB_END), end); skge_write32(hw, RB_ADDR(q, RB_WP), start); skge_write32(hw, RB_ADDR(q, RB_RP), start); - skge_write32(hw, RB_ADDR(q, RB_END), end); fixes the visible effect.. Possibly not the root cause of the problem, but changing the order back fixes networking here." but that has yet to be ack'ed or tested more widely, so the whole problem-causing commit gets reverted until this is resolved properly. Bisected-and-requested-by: Heikki Orsila <shdl@zakalwe.fi> Cc: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14[VIA_VELOCITY]: Don't oops on MTU change.Stephen Hemminger
Simple mtu change when device is down. Fix http://bugzilla.kernel.org/show_bug.cgi?id=9382. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-14Merge branch 'fixes-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2007-11-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: [CRYPTO] geode: Fix not inplace encryption
2007-11-14Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: mlx4_core: Fix thinko in QP destroy (incorrect bitmap_free) RDMA/cxgb3: Set the max_qp_init_rd_atom attribute in query_device IB/ehca: Fix static rate calculation IB/ehca: Return physical link information in query_port() IB/ipath: Fix race with ACK retry timeout list management IB/ipath: Fix memory leak in ipath_resize_cq() if copy_to_user() fails mlx4_core: Fix possible bad free in mlx4_buf_free()
2007-11-14Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NET]: rt_check_expire() can take a long time, add a cond_resched() [ISDN] sc: Really, really fix warning [ISDN] sc: Fix sndpkt to have the correct number of arguments [TCP] FRTO: Clear frto_highmark only after process_frto that uses it [NET]: Remove notifier block from chain when register_netdevice_notifier fails [FS_ENET]: Fix module build. [TCP]: Make sure write_queue_from does not begin with NULL ptr [TCP]: Fix size calculation in sk_stream_alloc_pskb [S2IO]: Fixed memory leak when MSI-X vector allocation fails [BONDING]: Fix resource use after free [SYSCTL]: Fix warning for token-ring from sysctl checker [NET] random : secure_tcp_sequence_number should not assume CONFIG_KTIME_SCALAR [IWLWIFI]: Not correctly dealing with hotunplug. [TCP] FRTO: Plug potential LOST-bit leak [TCP] FRTO: Limit snd_cwnd if TCP was application limited [E1000]: Fix schedule while atomic when called from mii-tool. [NETX]: Fix build failure added by 2.6.24 statistics cleanup. [EP93xx_ETH]: Build fix after 2.6.24 NAPI changes. [PKT_SCHED]: Check subqueue status before calling hard_start_xmit
2007-11-14CRISv10 Ethernet declare mac fixJesper Nilsson
Declare mac using DECLARE_MAC_BUF for use when calling print_mac(). This fixes compile error where mac was undeclared. Also, remove unused variable i. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Mikael Starvik <mikael.starvik@axis.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14CRISv10 serial driver rewriteJesper Nilsson
New and improved serial driver for CRISv10, take three, with improvements suggested by Jiri Slaby. - Call wait_event_interruptible with a _correct_ and sensible condition. - Removed superfluous test of info->flags & ASYNC_CLOSING, since that is done by wait_event_interruptible. - Moved common code for deregistering DMA and IRQ to deinit_port function. - Use setup_timer when initializing flush_timer. - Convert bit-field for uses_dma_in and uses_dma_out to regular bytes. - Removed CVS tags. - Removed defines and comments for CRIS_BUF_SIZE and TTY_THRESHOLD_THROTTLE (no longer used). - Cleaned up code to pass checkpatch. - Add crisv10.h header file. - Merge of CRISv10 from Axis internal CVS. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com> Reviewed-by: Jiri Slaby <jirislaby@gmail.com> Cc: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14cris-build-fixes-update-eth_v10c-ethernet-driver-fixAndrew Morton
Fix locking bug noted by Roel Kluin <12o3l@tiscali.nl>. Cc: Jeff Garzik <jeff@garzik.org> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14cris build fixes: update eth_v10.c ethernet driverJesper Nilsson
New (updated) version of ethernet driver for cris v10. - First steps to simplify and make the MII code more similar between the etrax100 and etraxfs ports. - Start the transmit queue before enabling tx interrupts to avoid race with the first frame. - Flip the comparition statement to stick to physical addresses to avoid phys_to_virt mapping a potential null pointer. This was not an error but the change simplifies debugging of address-space mappings. - Made myPrevRxDesc local to e100_rx since it was only used there. Fixed out of memory handling in e100_rx. If dev_alloc_skb() fails persistently the system is hosed anyway but at least it won't loop in an interrupt handler. - Correct some code formatting issues. - Add defines SET_ETH_ENABLE_LEDS, SET_ETH_DISABLE_LEDS and SET_ETH_AUTONEG used in new cris v10 ethernet driver. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com> Acked-by: Mikael Starvik <starvik@axis.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14aic94xx_sds: rename FLASH_SIZEAndrew Morton
arm: drivers/scsi/aic94xx/aic94xx_sds.c:381:1: warning: "FLASH_SIZE" redefined In file included from include/asm/arch/irqs.h:22, from include/asm/irq.h:4, from include/asm/hardirq.h:6, from include/linux/hardirq.h:7, from include/asm-generic/local.h:5, from include/asm/local.h:1, from include/linux/module.h:19, from include/linux/device.h:21, from include/linux/pci.h:52, from drivers/scsi/aic94xx/aic94xx_sds.c:28: include/asm/arch/platform.h:444:1: warning: this is the location of the previous definition Cc: Gilbert Wu <gilbert_wu@adaptec.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14keyspan: init termios properlyBorislav Petkov
Remove redundant code leading to NULL ptr deref and let terminal config settings take place in the proper initialization path in usb_console_setup(). Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de> Cc: <lucy@keyspan.com> Cc: Greg KH <greg@kroah.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>
2007-11-14ACPI: AC: Update AC state on resumeAlexey Starikovskiy
Check if AC state has changed across resume and notify userspace if so. Fixes "[2.6.24-rc1 regression] AC adapter state does not change after resume" Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Tested-by: Andrey Borzenkov <arvidjaar@mail.ru> Cc: Len Brown <lenb@kernel.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14make /proc/acpi/ac_adapter dependent on ACPI_PROCFSAndrey Borzenkov
Do not provide /proc/acpi/ac_adapter if ACPI_PROCFS is not defined. This eliminates duplicated power adapters in HAL and makes it consistent with battery module Signed-off-by: Andrey Borzenkov <arvidjaar@mail.ru> Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14gbefb: fix section mismatch warningsRandy Dunlap
Make 'default_mode' and 'default_var' be __initdata. Fixes these section warnings: WARNING: vmlinux.o(.data+0x128e0): Section mismatch: reference to .init.data:default_mode_CRT (between 'default_mode' and 'default_var') WARNING: vmlinux.o(.data+0x128e4): Section mismatch: reference to .init.data:default_var_CRT (between 'default_var' and 'dev_attr_size') 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>
2007-11-14rd: fix data corruption on memory pressureChristian Borntraeger
We have seen ramdisk based install systems, where some pages of mapped libraries and programs were suddendly zeroed under memory pressure. This should not happen, as the ramdisk avoids freeing its pages by keeping them dirty all the time. It turns out that there is a case, where the VM makes a ramdisk page clean, without telling the ramdisk driver. On memory pressure shrink_zone runs and it starts to run shrink_active_list. There is a check for buffer_heads_over_limit, and if true, pagevec_strip is called. pagevec_strip calls try_to_release_page. If the mapping has no releasepage callback, try_to_free_buffers is called. try_to_free_buffers has now a special logic for some file systems to make a dirty page clean, if all buffers are clean. Thats what happened in our test case. The simplest solution is to provide a noop-releasepage callback for the ramdisk driver. This avoids try_to_free_buffers for ramdisk pages. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Nick Piggin <npiggin@suse.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14tle62x0 driver stops ignoring read errorsDavid Brownell
The tle62x0 driver was ignoring all read errors. This patch makes it pass such errors up the stack, instead of returning bogus data. 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>
2007-11-14serial: only use PNP IRQ if it's validBjorn Helgaas
"Luming Yu" <luming.yu@gmail.com> says: There is a "ttyS1 irq is -1" problem observed on tiger4 which cause the serial port broken. It is because that there is __no__ ACPI IRQ resource assigned for the serial port. So the value of the IRQ for the port is never changed since it got initialized to -1. If PNP supplies a valid IRQ, use it. Otherwise, leave port.irq == 0, which means "no IRQ" to the serial core. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Yu Luming <luming.yu@intel.com> Acked-by: Matthew Wilcox <matthew@wil.cx> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14i5000_edac: no need to __stringify() KBUILD_BASENAMEDarrick J. Wong
The i5000_edac driver's PCI registration structure has the name ""i5000_edac"" (with extra set of double-quotes) which is probably not intentional. Get rid of __stringify. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Cc: Doug Thompson <norsk5@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14rtc: fall back to requesting only the ports we actually useBjorn Helgaas
Firmware like PNPBIOS or ACPI can report the address space consumed by the RTC. The actual space consumed may be less than the size (RTC_IO_EXTENT) assumed by the RTC driver. The PNP core doesn't request resources yet, but I'd like to make it do so. If/when it does, the RTC_IO_EXTENT request may fail, which prevents the RTC driver from loading. Since we only use the RTC index and data registers at RTC_PORT(0) and RTC_PORT(1), we can fall back to requesting just enough space for those. If the PNP core requests resources, this results in typical I/O port usage like this: 0070-0073 : 00:06 <-- PNP device 00:06 responds to 70-73 0070-0071 : rtc <-- RTC driver uses only 70-71 instead of the current: 0070-0077 : rtc <-- RTC_IO_EXTENT == 8 Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14rtc: release correct region in error pathBjorn Helgaas
The misc_register() error path always released an I/O port region, even if the region was memory-mapped (only mips uses memory-mapped RTC, as far as I can see). Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14I/OAT: Add support for version 2 of ioatdma deviceShannon Nelson
Add support for version 2 of the ioatdma device. This device handles the descriptor chain and DCA services slightly differently: - Instead of moving the dma descriptors between a busy and an idle chain, this new version uses a single circular chain so that we don't have rewrite the next_descriptor pointers as we add new requests, and the device doesn't need to re-read the last descriptor. - The new device has the DCA tags defined internally instead of needing them defined statically. Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Cc: "Williams, Dan J" <dan.j.williams@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14raid5: fix unending write sequenceDan Williams
<debug output from Joel's system> handling stripe 7629696, state=0x14 cnt=1, pd_idx=2 ops=0:0:0 check 5: state 0x6 toread 0000000000000000 read 0000000000000000 write fffff800ffcffcc0 written 0000000000000000 check 4: state 0x6 toread 0000000000000000 read 0000000000000000 write fffff800fdd4e360 written 0000000000000000 check 3: state 0x1 toread 0000000000000000 read 0000000000000000 write 0000000000000000 written 0000000000000000 check 2: state 0x1 toread 0000000000000000 read 0000000000000000 write 0000000000000000 written 0000000000000000 check 1: state 0x6 toread 0000000000000000 read 0000000000000000 write fffff800ff517e40 written 0000000000000000 check 0: state 0x6 toread 0000000000000000 read 0000000000000000 write fffff800fd4cae60 written 0000000000000000 locked=4 uptodate=2 to_read=0 to_write=4 failed=0 failed_num=0 for sector 7629696, rmw=0 rcw=0 </debug> These blocks were prepared to be written out, but were never handled in ops_run_biodrain(), so they remain locked forever. The operations flags are all clear which means handle_stripe() thinks nothing else needs to be done. This state suggests that the STRIPE_OP_PREXOR bit was sampled 'set' when it should not have been. This patch cleans up cases where the code looks at sh->ops.pending when it should be looking at the consistent stack-based snapshot of the operations flags. Report from Joel: Resync done. Patch fix this bug. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Tested-by: Joel Bertrand <joel.bertrand@systella.fr> Cc: <stable@kernel.org> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14atmel_serial build warnings begoneDavid Brownell
Remove annoying build warnings about unused variables in atmel_serial, which afflict both AT91 and AVR32 builds. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14dmaengine: fix broken device refcountingHaavard Skinnemoen
When a DMA device is unregistered, its reference count is decremented twice for each channel: Once dma_class_dev_release() and once in dma_chan_cleanup(). This may result in the DMA device driver's remove() function completing before all channels have been cleaned up, causing lots of use-after-free fun. Fix it by incrementing the device's reference count twice for each channel during registration. [dan.j.williams@intel.com: kill unnecessary client refcounting] Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14drivers/misc: Move misplaced pci_dev_put'sJulia Lawall
Move pci_dev_put outside the loops in which it occurs. Within the loop, pci_dev_put is done implicitly by pci_get_device. The problem was detected using the following semantic patch, and corrected by hand. @@ expression dev; expression E; @@ - pci_dev_put(dev) ... when != dev = E - pci_get_device(...,dev) Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14paride: pf driver fixesOndrej Zary
The pf driver for parallel port floppy drives seems to be broken. At least with Imation SuperDisk with EPAT chip, the driver calls pi_connect() and pi_disconnect after each transferred sector. At least with EPAT, this operation is very expensive - causes drive recalibration. Thus, transferring even a single byte (dd if=/dev/pf0 of=/dev/null bs=1 count=1) takes 20 seconds, making the driver useless. The pf_next_buf() function seems to be broken as it returns 1 always (except when pf_run is non-zero), causing the loop in do_pf_read_drq (and do_pf_write_drq) to be executed only once. The following patch fixes this problem. It also fixes swapped descriptions in pf_lock() function and removes DBMSG macro, which seems useless. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14spi: fix error paths on txx9spi_probeAtsushi Nemoto
Some error paths in txx9spi_probe wrongly return 0. This patch fixes them by using the devres interfaces. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14spi: fix double-free on spi_unregister_masterAtsushi Nemoto
After 49dce689ad4ef0fd1f970ef762168e4bd46f69a3, device_for_each_child iteration hits the master device itself. Do not call spi_unregister_device() for the master device. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Acked-by: David Brownell <david-b@pacbell.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14acpi: make ACPI_PROCFS default to yAndrew Morton
Zillions of people are getting my-battery-monitor-doesnt-work problems (including me). Lessen the damage by making ACPI_PROCFS default to on. Cc: Len Brown <lenb@kernel.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-148250_pnp: add support for "LG C1 EXPRESS DUAL" machinesDamian Jurd
The following is an extra entry to enable the touch screen on the new LG C1 EXPRESS DUAL machine. Cc: Russell King <rmk@arm.linux.org.uk> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14video/sis/: fix negative array indexAdrian Bunk
This patch fixes the possible usage of a negative value as an array index spotted by the Coverity checker. sisfb_validate_mode() could return a negative error code and we must check for that prior to using its return value as an array index. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Thomas Winischhofer <thomas@winischhofer.net> 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>
2007-11-14lguest_user.c: fix memory leakAdrian Bunk
This patch fixes a memory leak spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@kernel.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14LXFB: use the correct MSR number for panel supportJordan Crouse
A relatively recent version of the Geode LX datasheet listed the wrong address for one of the MSRs that controls TFT panels, resulting in breakage. This patch corrects the MSR address. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14drivers/video/s1d13xxxfb.c: fix build as module with dbgStanislav Brabec
Attached patch fixes two compilation problems of s1d13xxxfb.c: - Fixes outdated dbg() message to fix compilation error with debugging enabled. - Do not read kernel command line options when compiled as module. Signed-off-by: Stanislav Brabec <utx@penguin.cz> 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>
2007-11-14oProfile: oops when profile_pc() returns ~0LUPhilippe Elie
Instruction pointer returned by profile_pc() can be a random value. This break the assumption than we can safely set struct op_sample.eip field to a magic value to signal to the per-cpu buffer reader side special event like task switch ending up in a segfault in get_task_mm() when profile_pc() return ~0UL. Fixed by sanitizing the sampled eip and reject/log invalid eip. Problem reported by Sami Farin, patch tested by him. Signed-off-by: Philippe Elie <phil.el@wanadoo.fr> Tested-by: Sami Farin <safari-kernel@safari.iki.fi> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-14uvesafb: fix warnings about unused variables on non-x86Frank Lichtenheld
Variables that are only used in #ifdef CONFIG_X86 should also only be declared there. Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de> Cc: Michal Januszewski <spock@gentoo.org> 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>
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