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2012-09-28iommu/amd: Fix wrong assumption in iommu-group specific codeJoerg Roedel
The new IOMMU groups code in the AMD IOMMU driver makes the assumption that there is a pci_dev struct available for all device-ids listed in the IVRS ACPI table. Unfortunatly this assumption is not true and so this code causes a NULL pointer dereference at boot on some systems. Fix it by making sure the given pointer is never NULL when passed to the group specific code. The real fix is larger and will be queued for v3.7. Reported-by: Florian Dazinger <florian@dazinger.net> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-09-28Merge remote-tracking branches 'regulator/topic/core', ↵Mark Brown
'regulator/topic/bypass', 'regulator/topic/tol', 'regulator/topic/drivers' and 'regulator/topic/tps6586x' into regulator-next
2012-09-28regulator: arizona-ldo: Remove top voltageMark Brown
The highest voltage step is not supported. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-28Merge branches 'spi-drivers' and 'spi-mxs' into spi-nextMark Brown
2012-09-28spi/imx: set the inactive state of the clock according to the clock polarityKnut Wohlrab
There are SPI devices which need a SPI clock with active low polarity and high inactive state. Add the setting of the inactive state ECSPIx_CONFIGREG:SCLK CTL according to the clock polarity ECSPIx_CONFIGREG:SCLK POL: DT without "spi-cpol" = 0 = clock active high polarity = inactive state low DT with "spi-cpol" = 1 = clock active low polarity = inactive state high Signed-off-by: Knut Wohlrab <knut.wohlrab@de.bosch.com> Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-28spi/pl022: get/put resources on suspend/resumeLinus Walleij
This factors out the resource handling in runtime suspend/resume and also calls it from the ordinary suspend and resume hooks. The semantics require that ordinary PM op suspend is called with runtime PM in resumed mode, so that ordinary suspend can assume that it will e.g. decrease the clock reference counter to 0, runtime resume having previously increased it to 1. Cc: Vipul Kumar Samar <vipulkumar.samar@st.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-28spi/pl022: use more managed resourcesLinus Walleij
This switches the PL022 SPI driver to use devm_* managed resources for IRQ, clocks, ioremap and GPIO. Prior to this, the GPIOs would even leak. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-28Merge tag 'perf-core-for-mingo' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: * Improve listing of accessible enum perf probe variables, from Hyeoncheol Lee. * Don't stop the build if the audit libraries are not installed, fix from Namhyung Kim. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-09-28pinctrl/nomadik: use irq_find_mapping()Linus Walleij
The code was using a homegrown method of looking up the offset from the irq domain, not to be encouraged. Use the proper irq_find_mapping() call instead. Cc: Lee Jones <lee.jones@linaro.org> Cc: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-28pinctrl: sirf: add lost chained_irq_enter and exit in sirfsoc_gpio_handle_irqBarry Song
This patch fixes the chained irq hang issue, tested by DM9000 driver using GPIO0-3(irqnr=131) as the external IRQ on SiRFmarco: $ cat /proc/interrupts CPU0 CPU1 32: 1608 0 GIC sirfsoc_timer0 33: 0 3197 GIC sirfsoc_timer1 50: 10207 0 GIC sirfsoc-uart 56: 2 0 GIC cc0e0000.i2c 70: 44 0 GIC mmc0 131: 333 0 sirf-gpio-irq eth0 ... Signed-off-by: Barry Song <Baohua.Song@csr.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-28pinctrl: sirf: initialize the irq_chip pointer of pinctrl_gpio_rangeBarry Song
This patch initializes the optional irq_chip pointer gc in sirfsoc pinctrl_gpio_range. Signed-off-by: Baohua Song <Baohua.Song@csr.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-28pinctrl: sirf: fix spinlock deadlock in sirfsoc_gpio_set_inputBarry Song
sirfsoc_gpio_set_input() is called in those functions which have held the spinlock, so delete the duplicated locking. Signed-off-by: Barry Song <Baohua.Song@csr.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-28pinctrl: sirf: add missing pins to pinctrl listBarry Song
We always use pinctrl_request_gpio() to get GPIO, If we don't have these missing pins in the pin list, gpio_request and related operations will fail for them. Signed-off-by: Barry Song <Baohua.Song@csr.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-28pinctrl: sirf: fix a typo in sirfsoc_gpio_probeBarry Song
Return 0 while probing success. Signed-off-by: Barry Song <Baohua.Song@csr.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-28pinctrl: pinctrl-single: add debugfs pin h/w state infoMatt Porter
Adds support for displaying the individual pin h/w config state. Signed-off-by: Matt Porter <mporter@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-28ARM: ux500: 8500: update I2C sleep states pinctrlPatrice Chotard
This defines the proper sleep states for all the I2C pins of the MOP500 DB8500 ASIC setting. Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-27x86: Distinguish TLB shootdown interrupts from other functions call interruptsTomoki Sekiyama
As TLB shootdown requests to other CPU cores are now using function call interrupts, TLB shootdowns entry in /proc/interrupts is always shown as 0. This behavior change was introduced by commit 52aec3308db8 ("x86/tlb: replace INVALIDATE_TLB_VECTOR by CALL_FUNCTION_VECTOR"). This patch reverts TLB shootdowns entry in /proc/interrupts to count TLB shootdowns separately from the other function call interrupts. Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama.qu@hitachi.com> Link: http://lkml.kernel.org/r/20120926021128.22212.20440.stgit@hpxw Acked-by: Alex Shi <alex.shi@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-09-28netdev: octeon: fix return value check in octeon_mgmt_init_phy()Wei Yongjun
In case of error, the function of_phy_connect() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27Revert "be2net: fix vfs enumeration"David S. Miller
This reverts commit 51af6d7c1f31e0f3d42c87d53657ec7acb6e3462. Breaks the build with CONFIG_PCI_ATS not enabled. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm fixes from Dave Airlie: "The three nouveau fixes quiten unneeded dmesg spam that people are seeing and pondering, The udl fix stops it from trying to driver monitors that are too big, where we get a black screen. And a vmware memory alloc problem." * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/nvc0/fifo: ignore bits in PFIFO_INTR that aren't set in PFIFO_INTR_EN drm/udl: limit modes to the sku pixel limits. vmwgfx: corruption in vmw_event_fence_action_create() drm/nvc0/ltcg: mask off intr 0x10 drm/nouveau: silence a debug message triggered by newer userspace
2012-09-27Merge tag 'usb-3.6-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg Kroah-Hartman: "Here are two USB bugfixes for your 3.6-rc7 tree. The OHCI fix has been reported a number of times and is a regression from 3.5, and the patch that causes the regression was on the way to the -stable trees before I was reminded (again) that this fix needed to get to your tree soon. The host controller bugfix was reported in older kernels as being pretty easy to trigger, and has been tested by Red Hat and their customers. Both have been in the usb-next branch in the -next tree for a while now, I just cherry-picked them out to get to you in time for the 3.6 release. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'usb-3.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: Fix race condition when removing host controllers USB: ohci-at91: fix null pointer in ohci_hcd_at91_overcurrent_irq
2012-09-27ALSA: snd-usb: fix next_packet_size calls for pause caseDaniel Mack
Also fix the calls to next_packet_size() for the pause case. This was missed in 245baf983 ("ALSA: snd-usb: fix calls to next_packet_size"). Signed-off-by: Daniel Mack <zonque@gmail.com> Reviewed-by: Takashi Iwai <tiwai@suse.de> Reported-and-tested-by: Christian Tefzer <ctrefzer@gmx.de> Cc: stable@kernel.org [ Taking directly because Takashi is on vacation - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-09-27Merge tag 'asoc-3.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound Pull ASoC update from Mark Brown: "One small and obvious driver-specific fix. Takashi is on vacation now so he asked me to send directly, it's a pretty bad bug with low regression risk." * tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound: ASoC: wm2000: Correct register size
2012-09-27net: struct napi_struct fields reorderingEric Dumazet
Remove two holes on 64bit arches, and put dev_list at the end of napi_struct since its not used in fast path. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27net: use bigger pages in __netdev_alloc_fragEric Dumazet
We currently use percpu order-0 pages in __netdev_alloc_frag to deliver fragments used by __netdev_alloc_skb() Depending on NIC driver and arch being 32 or 64 bit, it allows a page to be split in several fragments (between 1 and 8), assuming PAGE_SIZE=4096 Switching to bigger pages (32768 bytes for PAGE_SIZE=4096 case) allows : - Better filling of space (the ending hole overhead is less an issue) - Less calls to page allocator or accesses to page->_count - Could allow struct skb_shared_info futures changes without major performance impact. This patch implements a transparent fallback to smaller pages in case of memory pressure. It also uses a standard "struct page_frag" instead of a custom one. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Alexander Duyck <alexander.h.duyck@intel.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27inetpeer: fix token initializationNicolas Dichtel
When jiffies wraps around (for example, 5 minutes after the boot, see INITIAL_JIFFIES) and peer has just been created, now - peer->rate_last can be < XRLIM_BURST_FACTOR * timeout, so token is not set to the maximum value, thus some icmp packets can be unexpectedly dropped. Fix this case by initializing last_rate to 60 seconds in the past. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27qlcnic: Fix scheduling while atomic bugNarendra K
In the device close path, 'qlcnic_fw_destroy_ctx' and 'qlcnic_poll_rsp' call msleep. But 'qlcnic_fw_destroy_ctx' and 'qlcnic_poll_rsp' are called with 'adapter->tx_clean_lock' spin lock held resulting in scheduling while atomic bug causing the following trace. I observed that the commit 012dc19a45b2b9cc2ebd14aaa401cf782c2abba4 from John Fastabend addresses a similar issue in ixgbevf driver. Adopting the same approach used in the commit, this patch uses mdelay to address the issue. [79884.999115] BUG: scheduling while atomic: ip/30846/0x00000002 [79885.005562] INFO: lockdep is turned off. [79885.009958] Modules linked in: qlcnic fuse nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE bnep bluetooth rfkill ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables iptable_nat nf_nat iptable_mangle ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables dcdbas coretemp kvm_intel kvm iTCO_wdt ixgbe iTCO_vendor_support crc32c_intel ghash_clmulni_intel nfsd microcode sb_edac pcspkr edac_core dca bnx2x shpchp auth_rpcgss nfs_acl lpc_ich mfd_core mdio lockd libcrc32c wmi acpi_pad acpi_power_meter sunrpc uinput sd_mod sr_mod cdrom crc_t10dif ahci libahci libata megaraid_sas usb_storage dm_mirror dm_region_hash dm_log dm_mod [last unloaded: qlcnic] [79885.083608] Pid: 30846, comm: ip Tainted: G W O 3.6.0-rc7+ #1 [79885.090805] Call Trace: [79885.093569] [<ffffffff816764d8>] __schedule_bug+0x68/0x76 [79885.099699] [<ffffffff8168358e>] __schedule+0x99e/0xa00 [79885.105634] [<ffffffff81683929>] schedule+0x29/0x70 [79885.111186] [<ffffffff81680def>] schedule_timeout+0x16f/0x350 [79885.117724] [<ffffffff811afb7a>] ? init_object+0x4a/0x90 [79885.123770] [<ffffffff8107c190>] ? __internal_add_timer+0x140/0x140 [79885.130873] [<ffffffff81680fee>] schedule_timeout_uninterruptible+0x1e/0x20 [79885.138773] [<ffffffff8107e830>] msleep+0x20/0x30 [79885.144159] [<ffffffffa04c7fbf>] qlcnic_issue_cmd+0xef/0x290 [qlcnic] [79885.151478] [<ffffffffa04c8265>] qlcnic_fw_cmd_destroy_rx_ctx+0x55/0x90 [qlcnic] [79885.159868] [<ffffffffa04c92fd>] qlcnic_fw_destroy_ctx+0x2d/0xa0 [qlcnic] [79885.167576] [<ffffffffa04bf2ed>] __qlcnic_down+0x11d/0x180 [qlcnic] [79885.174708] [<ffffffffa04bf6f8>] qlcnic_close+0x18/0x20 [qlcnic] [79885.181547] [<ffffffff8153b4c5>] __dev_close_many+0x95/0xe0 [79885.187899] [<ffffffff8153b548>] __dev_close+0x38/0x50 [79885.193761] [<ffffffff81545101>] __dev_change_flags+0xa1/0x180 [79885.200419] [<ffffffff81545298>] dev_change_flags+0x28/0x70 [79885.206779] [<ffffffff815531b8>] do_setlink+0x378/0xa00 [79885.212731] [<ffffffff81354fe1>] ? nla_parse+0x31/0xe0 [79885.218612] [<ffffffff815558ee>] rtnl_newlink+0x37e/0x560 [79885.224768] [<ffffffff812cfa19>] ? selinux_capable+0x39/0x50 [79885.231217] [<ffffffff812cbf98>] ? security_capable+0x18/0x20 [79885.237765] [<ffffffff81555114>] rtnetlink_rcv_msg+0x114/0x2f0 [79885.244412] [<ffffffff81551f87>] ? rtnl_lock+0x17/0x20 [79885.250280] [<ffffffff81551f87>] ? rtnl_lock+0x17/0x20 [79885.256148] [<ffffffff81555000>] ? __rtnl_unlock+0x20/0x20 [79885.262413] [<ffffffff81570fc1>] netlink_rcv_skb+0xa1/0xb0 [79885.268661] [<ffffffff81551fb5>] rtnetlink_rcv+0x25/0x40 [79885.274727] [<ffffffff815708bd>] netlink_unicast+0x19d/0x220 [79885.281146] [<ffffffff81570c45>] netlink_sendmsg+0x305/0x3f0 [79885.287595] [<ffffffff8152b188>] ? sock_update_classid+0x148/0x2e0 [79885.294650] [<ffffffff81525c2c>] sock_sendmsg+0xbc/0xf0 [79885.300600] [<ffffffff8152600c>] __sys_sendmsg+0x3ac/0x3c0 [79885.306853] [<ffffffff8109be23>] ? up_read+0x23/0x40 [79885.312510] [<ffffffff816896cc>] ? do_page_fault+0x2bc/0x570 [79885.318968] [<ffffffff81191854>] ? sys_brk+0x44/0x150 [79885.324715] [<ffffffff811c458c>] ? fget_light+0x24c/0x520 [79885.330875] [<ffffffff815286f9>] sys_sendmsg+0x49/0x90 [79885.336707] [<ffffffff8168e429>] system_call_fastpath+0x16/0x1b Signed-off-by: Narendra K <narendra_k@dell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27tcp: Remove unused parameter from tcp_v4_save_optionsChristoph Paasch
struct sock *sk is not used inside tcp_v4_save_options. Thus it can be removed. Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27bnx2: Clean up remaining iounmapNeil Horman
commit c0357e975afdbbedab5c662d19bef865f02adc17 modified bnx2 to switch from using ioremap/iounmap to pci_iomap/pci_iounmap. They missed a spot in the error path of bnx2_init_one though. This patch just cleans that up. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> CC: Michael Chan <mcan@broadcom.com> CC: "David S. Miller" <davem@davemloft.net> Acked-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27ipv6: gre: remove ip6gre_header_parse()Eric Dumazet
dev_parse_header() callers provide 8 bytes of storage, so it's not possible to store an IPv6 address. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull one more arm-soc bugfix from Olof Johansson: "Here's a bugfix for orion5x. Without this, PCI doesn't initialize properly because of too small coherent pool to cover the allocations needed. A similar fix has already been done on kirkwood." * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: Orion5x: Fix too small coherent pool.
2012-09-27Merge branch 'fixes-for-3.6' of ↵Linus Torvalds
git://git.linaro.org/people/mszyprowski/linux-dma-mapping Pull ARM dma-mapping fix from Marek Szyprowski: "This patch fixes a potential memory leak in the ARM dma-mapping code." * 'fixes-for-3.6' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping: ARM: dma-mapping: Fix potential memory leak in atomic_pool_init()
2012-09-27Merge tag 'gpio-fixes-v3.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fix from Linus Walleij: "A late GPIO fix: Roland Stigge found a problem in the LPC32xx driver where a callback ignores one of its arguments. It needs to go into stable too so sending this upstream immediately." * tag 'gpio-fixes-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio-lpc32xx: Fix value handling of gpio_direction_output()
2012-09-27Merge tag 'md-3.6-fixes' of git://neil.brown.name/mdLinus Torvalds
Pull two md bugfixes from NeilBrown: "One (missing spinlock init) was only introduced recently. The other has been present as long as raid10 has been supported, so is tagged for -stable." * tag 'md-3.6-fixes' of git://neil.brown.name/md: md/raid10: fix "enough" function for detecting if array is failed. md/raid5: add missing spin_lock_init.
2012-09-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edacLinus Torvalds
Pull EDAC fixes from Mauro Carvalho Chehab: "Three edac fixes at the memory enumeration logic: - i3200_edac: Fixes a regression at the memory rank size, when the memorias are dual-rank; - i5000_edac: Fix a longstanding bug when calculating the memory size: before Kernel 3.6, the memory size were right only with one specific configuration; - sb_edac: Fixes a bug since the initial release of the driver: with 16GB DIMMs, there's an overflow at the memory size, causing the number of pages per dimm (an unsigned value) to have the highest bit equal to 1, effectively mangling the memory size. The third bug can potentially affect the error decoding logic as well." * git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac: sb_edac: Avoid overflow errors at memory size calculation i5000: Fix the memory size calculation with 2R memories i3200_edac: Fix memory rank size
2012-09-27trivial select_parent documentation fixJ. Bruce Fields
"Search list for X" sounds like you're trying to find X on a list. Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-09-27net: remove sk_init() helperEric Dumazet
It seems sk_init() has no value today and even does strange things : # grep . /proc/sys/net/core/?mem_* /proc/sys/net/core/rmem_default:212992 /proc/sys/net/core/rmem_max:131071 /proc/sys/net/core/wmem_default:212992 /proc/sys/net/core/wmem_max:131071 We can remove it completely. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Shan Wei <davidshan@tencent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27pkt_sched: Fix warning false positives.David S. Miller
GCC refuses to recognize that all error control flows do in fact set err to something. Add an explicit initialization to shut it up. net/sched/sch_drr.c: In function ‘drr_enqueue’: net/sched/sch_drr.c:359:11: warning: ‘err’ may be used uninitialized in this function [-Wmaybe-uninitialized] net/sched/sch_qfq.c: In function ‘qfq_enqueue’: net/sched/sch_qfq.c:885:11: warning: ‘err’ may be used uninitialized in this function [-Wmaybe-uninitialized] Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27bna: Fix warning false positive.David S. Miller
GCC can't see that in all non-error-return paths we do in fact set *using_dac to something. Add an explicit initialization to remove this warning: drivers/net/ethernet/brocade/bna/bnad.c: In function ‘bnad_pci_probe’: drivers/net/ethernet/brocade/bna/bnad.c:3079:5: warning: ‘using_dac’ may be used uninitialized in this function [-Wmaybe-uninitialized] drivers/net/ethernet/brocade/bna/bnad.c:3233:7: note: ‘using_dac’ was declared here Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27net: phy: smsc: Implement PHY config_init for LAN87xxMarek Vasut
The LAN8710/LAN8720 chips do have broken the "FlexPWR" smart power-saving capability. Enabling it leads to the PHY not being able to detect Link when cold-started without cable connected. Thus, make sure this is disabled. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Christian Hohnstaedt <chohnstaedt@innominate.com> Cc: David S. Miller <davem@davemloft.net> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Otavio Salvador <otavio@ossystems.com.br> Acked-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27nf_defrag_ipv6: fix oops on module unloadingKonstantin Khlebnikov
fix copy-paste error introduced in linux-next commit "ipv6: add a new namespace for nf_conntrack_reasm" Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Amerigo Wang <amwang@redhat.com> Cc: David S. Miller <davem@davemloft.net> Acked-by: Cong Wang <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27be2net: fix vfs enumerationIvan Vecera
Current VFs enumeration algorithm used in be_find_vfs does not take domain number into the match. The match found in igb/ixgbe is more elegant and safe. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27tunnel: drop packet if ECN present with not-ECTstephen hemminger
Linux tunnels were written before RFC6040 and therefore never implemented the corner case of ECN getting set in the outer header and the inner header not being ready for it. Section 4.2. Default Tunnel Egress Behaviour. o If the inner ECN field is Not-ECT, the decapsulator MUST NOT propagate any other ECN codepoint onwards. This is because the inner Not-ECT marking is set by transports that rely on dropped packets as an indication of congestion and would not understand or respond to any other ECN codepoint [RFC4774]. Specifically: * If the inner ECN field is Not-ECT and the outer ECN field is CE, the decapsulator MUST drop the packet. * If the inner ECN field is Not-ECT and the outer ECN field is Not-ECT, ECT(0), or ECT(1), the decapsulator MUST forward the outgoing packet with the ECN field cleared to Not-ECT. This patch moves the ECN decap logic out of the individual tunnels into a common place. It also adds logging to allow detecting broken systems that set ECN bits incorrectly when tunneling (or an intermediate router might be changing the header). Overloads rx_frame_error to keep track of ECN related error. Thanks to Chris Wright who caught this while reviewing the new VXLAN tunnel. This code was tested by injecting faulty logic in other end GRE to send incorrectly encapsulated packets. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27xfrm: remove extranous rcu_read_lockstephen hemminger
The handlers for xfrm_tunnel are always invoked with rcu read lock already. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27gre: remove unnecessary rcu_read_lock/unlockstephen hemminger
The gre function pointers for receive and error handling are always called (from gre.c) with rcu_read_lock already held. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27gre: fix handling of key 0stephen hemminger
GRE driver incorrectly uses zero as a flag value. Zero is a perfectly valid value for key, and the tunnel should match packets with no key only with tunnels created without key, and vice versa. This is a slightly visible change since previously it might be possible to construct a working tunnel that sent key 0 and received only because of the key wildcard of zero. I.e the sender sent key of zero, but tunnel was defined without key. Note: using gre key 0 requires iproute2 utilities v3.2 or later. The original utility code was broken as well. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27sparc: bpf_jit_comp: add XOR instruction for BPF JIT JITDaniel Borkmann
This patch is a follow-up for patch "filter: add XOR instruction for use with X/K" that implements BPF SPARC JIT parts for the BPF XOR operation. Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27smsc75xx: fix resume after device resetSteve Glendinning
On some systems this device fails to properly resume after suspend, this patch fixes it by running the usbnet_resume handler. I suspect this also fixes this bug: http://code.google.com/p/chromium-os/issues/detail?id=31871 Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27lxt PHY: Support for the buggy LXT973 rev A2LEROY Christophe
This patch adds proper handling of the buggy revision A2 of LXT973 phy, adding precautions linked to ERRATA Item 4: Revision A2 of LXT973 chip randomly returns the contents of the previous even register when you read a odd register regularly Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27cxgb4: Don't attempt to upgrade T4 firmware when cxgb4 will end up as a slaveVipul Pandya
This patch adds a new common code routine to upgrade an adapter's firmware. This routine handles all of the complexities of working with the the existing adapter firmware in order to quiesce the adapter and uP, etc. For an automatic upgrade it will send a HELLO command to check if cxgb4 want/can upgrade firmware, i.e. if cxgb4 is MASTER and has newer firmware that it wants to load and call the new common code routine t4_fw_upgrade. Note that it should not issue a RESET command after a successful firmware upgrade. Signed-off-by: Jay Hernandez <jay@chelsio.com> Signed-off-by: Vipul Pandya <vipul@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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