1. 04 8月, 2012 11 次提交
  2. 03 8月, 2012 8 次提交
  3. 02 8月, 2012 21 次提交
    • P
      cfg80211: Clear "beacon_found" on regulatory restore · 899852af
      Paul Stewart 提交于
      Restore the default state to the "beacon_found" flag when
      the channel flags are restored.  Otherwise, we can end up
      with a channel that we can no longer transmit on even when
      we can see beacons on that channel.
      Signed-off-by: NPaul Stewart <pstew@chromium.org>
      Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
      899852af
    • S
      cfg80211: add channel flag to prohibit OFDM operation · 03f6b084
      Seth Forshee 提交于
      Currently the only way for wireless drivers to tell whether or not OFDM
      is allowed on the current channel is to check the regulatory
      information. However, this requires hodling cfg80211_mutex, which is not
      visible to the drivers.
      
      Other regulatory restrictions are provided as flags in the channel
      definition, so let's do similarly with OFDM. This patch adds a new flag,
      IEEE80211_CHAN_NO_OFDM, to tell drivers that OFDM on a channel is not
      allowed. This flag is set on any channels for which regulatory indicates
      that OFDM is prohibited.
      Signed-off-by: NSeth Forshee <seth.forshee@canonical.com>
      Tested-by: NArend van Spriel <arend@broadcom.com>
      Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
      03f6b084
    • E
      ipv4: route.c cleanup · e33cdac0
      Eric Dumazet 提交于
      Remove unused includes after IP cache removal
      Signed-off-by: NEric Dumazet <edumazet@google.com>
      Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      e33cdac0
    • J
      bnx2x: fix mem leak when command is unknown · 8b6d5c09
      Jesper Juhl 提交于
      In bnx2x_mcast_enqueue_cmd() we'll leak the memory allocated to
      'new_cmd' if we hit the deafault case of the 'switch (cmd)'.
      Add a 'kfree(new_cmd)' to that case to avoid the leak.
      Signed-off-by: NJesper Juhl <jj@chaosbits.net>
      Acked-by: NDmitry Kravkov <dmitry@broadcom.com>
      Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      8b6d5c09
    • F
      Fix unexpected SA hard expiration after changing date · e3c0d047
      Fan Du 提交于
      After SA is setup, one timer is armed to detect soft/hard expiration,
      however the timer handler uses xtime to do the math. This makes hard
      expiration occurs first before soft expiration after setting new date
      with big interval. As a result new child SA is deleted before rekeying
      the new one.
      Signed-off-by: NFan Du <fdu@windriver.com>
      Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      e3c0d047
    • B
      tcp: Apply device TSO segment limit earlier · 1485348d
      Ben Hutchings 提交于
      Cache the device gso_max_segs in sock::sk_gso_max_segs and use it to
      limit the size of TSO skbs.  This avoids the need to fall back to
      software GSO for local TCP senders.
      Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
      Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      1485348d
    • B
      sfc: Fix maximum number of TSO segments and minimum TX queue size · 7e6d06f0
      Ben Hutchings 提交于
      Currently an skb requiring TSO may not fit within a minimum-size TX
      queue.  The TX queue selected for the skb may stall and trigger the TX
      watchdog repeatedly (since the problem skb will be retried after the
      TX reset).  This issue is designated as CVE-2012-3412.
      
      Set the maximum number of TSO segments for our devices to 100.  This
      should make no difference to behaviour unless the actual MSS is less
      than about 700.  Increase the minimum TX queue size accordingly to
      allow for 2 worst-case skbs, so that there will definitely be space
      to add an skb after we wake a queue.
      
      To avoid invalidating existing configurations, change
      efx_ethtool_set_ringparam() to fix up values that are too small rather
      than returning -EINVAL.
      Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
      Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      7e6d06f0
    • B
      net: Allow driver to limit number of GSO segments per skb · 30b678d8
      Ben Hutchings 提交于
      A peer (or local user) may cause TCP to use a nominal MSS of as little
      as 88 (actual MSS of 76 with timestamps).  Given that we have a
      sufficiently prodigious local sender and the peer ACKs quickly enough,
      it is nevertheless possible to grow the window for such a connection
      to the point that we will try to send just under 64K at once.  This
      results in a single skb that expands to 861 segments.
      
      In some drivers with TSO support, such an skb will require hundreds of
      DMA descriptors; a substantial fraction of a TX ring or even more than
      a full ring.  The TX queue selected for the skb may stall and trigger
      the TX watchdog repeatedly (since the problem skb will be retried
      after the TX reset).  This particularly affects sfc, for which the
      issue is designated as CVE-2012-3412.
      
      Therefore:
      1. Add the field net_device::gso_max_segs holding the device-specific
         limit.
      2. In netif_skb_features(), if the number of segments is too high then
         mask out GSO features to force fall back to software GSO.
      Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
      Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      30b678d8
    • L
      Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus · 1a9b4993
      Linus Torvalds 提交于
      Pull MIPS updates from Ralf Baechle:
       "The lion share of this pull request are fixes for clk-related breakage
        caused by other changes during this merge window.  For some platforms
        the fix was as simple as selecting HAVE_CLK, for others like the
        Loongson 2 significant restructuring was required.
      
        The remainder are changes required to get the Lantiq code to work
        again."
      
      * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
        MIPS: Loongson 2: Sort out clock managment.
        MIPS: Loongson 1: more clk support and add select HAVE_CLK
        MIPS: txx9: Fix redefinition of clk_* by adding select HAVE_CLK
        MIPS: BCM63xx: Fix redefinition of clk_* by adding select HAVE_CLK
        MIPS: AR7: Fix redefinition of clk_* by adding select HAVE_CLK
        MIPS: Lantiq: Platform specific CLK fixup
        MIPS: Lantiq: Add device_tree_init function
        MIPS: Lantiq: Fix interface clock and PCI control register offset
      1a9b4993
    • L
      Merge branch 'for-linus-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml · 1871e845
      Linus Torvalds 提交于
      Pull UML fixes from Richard Weinberger:
       "This patch set contains mostly fixes and cleanups.  The UML tty driver
        uses now tty_port and is no longer broken like hell  :-)"
      
      * 'for-linus-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
        um: Add arch/x86/um to MAINTAINERS
        um: pass siginfo to guest process
        um: fix ubd_file_size for read-only files
        um: pull interrupt_end() into userspace()
        um: split syscall_trace(), pass pt_regs to it
        um: switch UPT_SET_RETURN_VALUE and regs_return_value to pt_regs
        um: set BLK_CGROUP=y in defconfig
        um: remove count_lock
        um: fully use tty_port
        um: Remove dead code
        um: remove line_ioctl()
        TTY: um/line, use tty from tty_port
        TTY: um/line, add tty_port
      1871e845
    • L
      Merge branch 'dmaengine' of git://git.linaro.org/people/rmk/linux-arm · a6dc7725
      Linus Torvalds 提交于
      Pull ARM DMA engine updates from Russell King:
       "This looks scary at first glance, but what it is is:
         - a rework of the sa11x0 DMA engine driver merged during the previous
           cycle, to extract a common set of helper functions for DMA engine
           implementations.
         - conversion of amba-pl08x.c to use these helper functions.
         - addition of OMAP DMA engine driver (using these helper functions),
           and conversion of some of the OMAP DMA users to use DMA engine.
      
        Nothing in the helper functions is ARM specific, so I hope that other
        implementations can consolidate some of their code by making use of
        these helpers.
      
        This has been sitting in linux-next most of the merge cycle, and has
        been tested by several OMAP folk.  I've tested it on sa11x0 platforms,
        and given it my best shot on my broken platforms which have the
        amba-pl08x controller.
      
        The last point is the addition to feature-removal-schedule.txt, which
        will have a merge conflict.  Between myself and TI, we're planning to
        remove the old TI DMA implementation next year."
      
      Fix up trivial add/add conflicts in Documentation/feature-removal-schedule.txt
      and drivers/dma/{Kconfig,Makefile}
      
      * 'dmaengine' of git://git.linaro.org/people/rmk/linux-arm: (53 commits)
        ARM: 7481/1: OMAP2+: omap2plus_defconfig: enable OMAP DMA engine
        ARM: 7464/1: mmc: omap_hsmmc: ensure probe returns error if DMA channel request fails
        Add feature removal of old OMAP private DMA implementation
        mtd: omap2: remove private DMA API implementation
        mtd: omap2: add DMA engine support
        spi: omap2-mcspi: remove private DMA API implementation
        spi: omap2-mcspi: add DMA engine support
        ARM: omap: remove mmc platform data dma_mask and initialization
        mmc: omap: remove private DMA API implementation
        mmc: omap: add DMA engine support
        mmc: omap_hsmmc: remove private DMA API implementation
        mmc: omap_hsmmc: add DMA engine support
        dmaengine: omap: add support for cyclic DMA
        dmaengine: omap: add support for setting fi
        dmaengine: omap: add support for returning residue in tx_state method
        dmaengine: add OMAP DMA engine driver
        dmaengine: sa11x0-dma: add cyclic DMA support
        dmaengine: sa11x0-dma: fix DMA residue support
        dmaengine: PL08x: ensure all descriptors are freed when channel is released
        dmaengine: PL08x: get rid of write only pool_ctr and free_txd locking
        ...
      a6dc7725
    • L
      Merge branch 'audit' of git://git.linaro.org/people/rmk/linux-arm · 02a6ec6a
      Linus Torvalds 提交于
      Pull ARM audit/signal updates from Russell King:
       "ARM audit/signal handling updates from Al and Will.  This improves on
        the work Viro did last merge window, and sorts out some of the issues
        found with that work."
      
      * 'audit' of git://git.linaro.org/people/rmk/linux-arm:
        ARM: 7475/1: sys_trace: allow all syscall arguments to be updated via ptrace
        ARM: 7474/1: get rid of TIF_SYSCALL_RESTARTSYS
        ARM: 7473/1: deal with handlerless restarts without leaving the kernel
        ARM: 7472/1: pull all work_pending logics into C function
        ARM: 7471/1: Revert "7442/1: Revert "remove unused restart trampoline""
        ARM: 7470/1: Revert "7443/1: Revert "new way of handling ERESTART_RESTARTBLOCK""
      02a6ec6a
    • L
      Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm · 9a2533c3
      Linus Torvalds 提交于
      Pull ARM fixes from Russell King:
       "This fixes various issues found during July"
      
      * 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
        ARM: 7479/1: mm: avoid NULL dereference when flushing gate_vma with VIVT caches
        ARM: Fix undefined instruction exception handling
        ARM: 7480/1: only call smp_send_stop() on SMP
        ARM: 7478/1: errata: extend workaround for erratum #720789
        ARM: 7477/1: vfp: Always save VFP state in vfp_pm_suspend on UP
        ARM: 7476/1: vfp: only clear vfp state for current cpu in vfp_pm_suspend
        ARM: 7468/1: ftrace: Trace function entry before updating index
        ARM: 7467/1: mutex: use generic xchg-based implementation for ARMv6+
        ARM: 7466/1: disable interrupt before spinning endlessly
        ARM: 7465/1: Handle >4GB memory sizes in device tree and mem=size@start option
      9a2533c3
    • R
      um: Add arch/x86/um to MAINTAINERS · b070989a
      Richard Weinberger 提交于
      Signed-off-by: NRichard Weinberger <richard@nod.at>
      b070989a
    • M
      um: pass siginfo to guest process · d3c1cfcd
      Martin Pärtel 提交于
      UML guest processes now get correct siginfo_t for SIGTRAP, SIGFPE,
      SIGILL and SIGBUS. Specifically, si_addr and si_code are now correct
      where previously they were si_addr = NULL and si_code = 128.
      Signed-off-by: NMartin Pärtel <martin.partel@gmail.com>
      Signed-off-by: NRichard Weinberger <richard@nod.at>
      d3c1cfcd
    • M
      um: fix ubd_file_size for read-only files · d4afcba9
      Martin Pärtel 提交于
      Made ubd_file_size not request write access. Fixes use of read-only images.
      Signed-off-by: NMartin Pärtel <martin.partel@gmail.com>
      Signed-off-by: NRichard Weinberger <richard@nod.at>
      d4afcba9
    • A
      um: pull interrupt_end() into userspace() · b8a42095
      Al Viro 提交于
      Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
      Signed-off-by: NRichard Weinberger <richard@nod.at>
      b8a42095
    • A
      um: split syscall_trace(), pass pt_regs to it · 1bfa2317
      Al Viro 提交于
      Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
      [richard@nod.at: Fixed some minor build issues]
      Signed-off-by: NRichard Weinberger <richard@nod.at>
      1bfa2317
    • A
      a3170d2e
    • J
      mac80211: cancel mesh path timer · dd4c9260
      Johannes Berg 提交于
      The mesh path timer needs to be canceled when
      leaving the mesh as otherwise it could fire
      after the interface has been removed already.
      
      Cc: stable@vger.kernel.org
      Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
      dd4c9260
    • J
      mac80211: clear timer bits when disconnecting · 2d9957cc
      Johannes Berg 提交于
      There's a corner case that can happen when we
      suspend with a timer running, then resume and
      disconnect. If we connect again, suspend and
      resume we might start timers that shouldn't be
      running. Reset the timer flags to avoid this.
      
      This affects both mesh and managed modes.
      Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
      2d9957cc