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UFO is now disabled on all drivers that work with virtio net headers,
but userland may try to send UFO/IPv6 packets anyway. Instead of
sending with ID=0, we should select identifiers on their behalf (as we
used to).
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Fixes: 916e4cf46d02 ("ipv6: reuse ip6_frag_id from ip6_ufo_append_data")
Signed-off-by: David S. Miller <davem@davemloft.net>
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IPv6 does not allow fragmentation by routers, so there is no
fragmentation ID in the fixed header. UFO for IPv6 requires the ID to
be passed separately, but there is no provision for this in the virtio
net protocol.
Until recently our software implementation of UFO/IPv6 generated a new
ID, but this was a bug. Now we will use ID=0 for any UFO/IPv6 packet
passed through a tap, which is even worse.
Unfortunately there is no distinction between UFO/IPv4 and v6
features, so disable UFO on taps and virtio_net completely until we
have a proper solution.
We cannot depend on VM managers respecting the tap feature flags, so
keep accepting UFO packets but log a warning the first time we do
this.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Fixes: 916e4cf46d02 ("ipv6: reuse ip6_frag_id from ip6_ufo_append_data")
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some drivers are unable to perform TX completions in a bound time.
They instead call skb_orphan()
Problem is skb_fclone_busy() has to detect this case, otherwise
we block TCP retransmits and can freeze unlucky tcp sessions on
mostly idle hosts.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: 1f3279ae0c13 ("tcp: avoid retransmits of TCP packets hanging in host queues")
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, skb_inner_network_header is used but this does not account
for Ethernet header for ETH_P_TEB. Use skb_inner_mac_header which
handles TEB and also should work with IP encapsulation in which case
inner mac and inner network headers are the same.
Tested: Ran TCP_STREAM over GRE, worked as expected.
Signed-off-by: Tom Herbert <therbert@google.com>
Acked-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Or Gerlitz says:
====================
mlx4 driver encapsulation/steering fixes
The 1st patch fixes a bug in the TX path that supports offloading the
TX checksum of (VXLAN) encapsulated TCP packets. It turns out that the
bug is revealed only when the receiver runs in non-offloaded mode, so
we somehow missed it so far... please queue it for -stable >= 3.14
The 2nd patch makes sure not to leak steering entry on error flow,
please queue it to 3.17-stable
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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If mlx4_ib_create_flow() attempts to create > 1 rules with the
firmware, and one of these registrations fail, we leaked the
already created flow rules.
One example of the leak is when the registration of the VXLAN ghost
steering rule fails, we didn't unregister the original rule requested
by the user, introduced in commit d2fce8a9060d "mlx4: Set
user-space raw Ethernet QPs to properly handle VXLAN traffic".
While here, add dump of the VXLAN portion of steering rules
so it can actually be seen when flow creation fails.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For VXLAN/NVGRE encapsulation, the current HW doesn't support offloading
both the outer UDP TX checksum and the inner TCP/UDP TX checksum.
The driver doesn't advertize SKB_GSO_UDP_TUNNEL_CSUM, however we are wrongly
telling the HW to offload the outer UDP checksum for encapsulated packets,
fix that.
Fixes: 837052d0ccc5 ('net/mlx4_en: Add netdev support for TCP/IP
offloads of vxlan tunneling')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2014-10-30
This series contains updates to e1000, igb and ixgbe.
Francesco Ruggeri fixes an issue with e1000 where in a VM the driver did
not support unicast filtering.
Roman Gushchin fixes an issue with igb where the driver was re-using
mapped pages so that packets were still getting dropped even if all
the memory issues are gone and there is free memory.
Junwei Zhang found where in the ixgbe_clean_rx_ring() we were repeating
the assignment of NULL to the receive buffer skb and fixes it.
Emil fixes a race condition between setup_link and SFP detection routine
in the watchdog when setting the advertised speed.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a space between subj= and feature= fields to make them parsable.
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paul Moore <pmoore@redhat.com>
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If we cache them, the kernel will reuse them, independently of
whether forwarding is enabled or not. Which means that if forwarding is
disabled on the input interface where the first routing request comes
from, then that unreachable result will be cached and reused for
other interfaces, even if forwarding is enabled on them. The opposite
is also true.
This can be verified with two interfaces A and B and an output interface
C, where B has forwarding enabled, but not A and trying
ip route get $dst iif A from $src && ip route get $dst iif B from $src
Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Reviewed-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The man page for open(2) indicates that when O_CREAT is specified, the
'mode' argument applies only to future accesses to the file:
Note that this mode applies only to future accesses of the newly
created file; the open() call that creates a read-only file
may well return a read/write file descriptor.
The man page for open(2) implies that 'mode' is treated identically by
O_CREAT and O_TMPFILE.
O_TMPFILE, however, behaves differently:
int fd = open("/tmp", O_TMPFILE | O_RDWR, 0);
assert(fd == -1);
assert(errno == EACCES);
int fd = open("/tmp", O_TMPFILE | O_RDWR, 0600);
assert(fd > 0);
For O_CREAT, do_last() sets acc_mode to MAY_OPEN only:
if (*opened & FILE_CREATED) {
/* Don't check for write permission, don't truncate */
open_flag &= ~O_TRUNC;
will_truncate = false;
acc_mode = MAY_OPEN;
path_to_nameidata(path, nd);
goto finish_open_created;
}
But for O_TMPFILE, do_tmpfile() passes the full op->acc_mode to
may_open().
This patch lines up the behavior of O_TMPFILE with O_CREAT. After the
inode is created, may_open() is called with acc_mode = MAY_OPEN, in
do_tmpfile().
A different, but related glibc bug revealed the discrepancy:
https://sourceware.org/bugzilla/show_bug.cgi?id=17523
The glibc lazily loads the 'mode' argument of open() and openat() using
va_arg() only if O_CREAT is present in 'flags' (to support both the 2
argument and the 3 argument forms of open; same idea for openat()).
However, the glibc ignores the 'mode' argument if O_TMPFILE is in
'flags'.
On x86_64, for open(), it magically works anyway, as 'mode' is in
RDX when entering open(), and is still in RDX on SYSCALL, which is where
the kernel looks for the 3rd argument of a syscall.
But openat() is not quite so lucky: 'mode' is in RCX when entering the
glibc wrapper for openat(), while the kernel looks for the 4th argument
of a syscall in R10. Indeed, the syscall calling convention differs from
the regular calling convention in this respect on x86_64. So the kernel
sees mode = 0 when trying to use glibc openat() with O_TMPFILE, and
fails with EACCES.
Signed-off-by: Eric Rannaud <e@nanocritical.com>
Acked-by: Andy Lutomirski <luto@amacapital.net>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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into drm-fixes
- dpm stability fixes for SI and KV
- remove an invalid pci id
- kmalloc_array fixes
- minor cleanups
* 'drm-fixes-3.18' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: remove some buggy dead code
drm/radeon: remove invalid pci id
drm/radeon: dpm fixes for asrock systems
radeon: clean up coding style differences in radeon_get_bios()
drm/radeon: Use drm_malloc_ab instead of kmalloc_array
drm/radeon/dpm: disable ulv support on SI
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git://anongit.freedesktop.org/drm-intel into drm-fixes
bunch of DP fixes, and some backlight fix.
* tag 'drm-intel-fixes-2014-10-30' of git://anongit.freedesktop.org/drm-intel:
drm/i915/dp: only use training pattern 3 on platforms that support it
drm/i915: Ignore VBT backlight check on Macbook 2, 1
drm/i915: Fix GMBUSFREQ on vlv/chv
drm/i915: Ignore long hpds on eDP ports
drm/i915: Do a dummy DPCD read before the actual read
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win0_lock was being used un-initialized, resulting in warning traces
being seen when lock debugging is enabled (and just wrong)
Fixes : fc5ab0209650 ('cxgb4: Replaced the backdoor mechanism to access the HW
memory with PCIe Window method')
Signed-off-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Hayes Wang says:
====================
r8152: patches for autosuspend
There are unexpected processes when enabling autosuspend.
These patches are used to fix them.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid unnecessary behavior when autosuspend occurs during open().
The relative processes should only be run after finishing open().
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If (tp->speed & LINK_STATUS) is not zero, the rtl8152_resume()
would call rtl_start_rx() before enabling the tx/rx. Avoid this
by resetting it to zero.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The flag of SELECTIVE_SUSPEND should be cleared when autoresuming.
Otherwise, when the system suspend and resume occur, it may have
the wrong flow.
Besides, because the flag of SELECTIVE_SUSPEND couldn't be used
to check if the hw enables the relative feature, it should alwayes
be disabled in close().
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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An error in the code makes the allocated space for firmware to be too
small.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The new version of rtlwifi needs code in rtl92ce_get_desc() that returns
the buffer address for read operations.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The new version of rtlwifi needs code in rtl92se_get_desc() that returns
the buffer address for read operations.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Driver rtlwifi has been modified to call ieee80211_register_hw()
from the probe routine; however, the existing call in the callback
routine for deferred firmware loading was not removed.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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get_btc_status
The recent changes in checking for Bluetooth status added some callbacks to code
in rtlwifi. To make certain that all callbacks are defined, a dummy routine has been
added to rtlwifi, and the drivers that need to use it are modified.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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During 11n RX reordering, if there is a hole in RX table,
driver will not send packets to kernel until the rxreorder
timer expires or the table is full.
However, currently driver always restarts rxreorder timer when
receiving a packet, which causes the timer hardly to expire.
So while connected with to 11n AP in a busy environment,
ping packets may get blocked for about 30 seconds.
This patch fixes this timer restarting by ensuring rxreorder timer
would only be restarted either timer is not set or start_win
has changed.
Signed-off-by: Chin-Ran Lo <crlo@marvell.com>
Signed-off-by: Plus Chen <pchen@marvell.com>
Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The right shift operation has higher precedence than the mask so we
left shift by "(i * 3)" and then immediately right shift by "(i * 3)"
then we mask. It should be left shift, mask, and then right shift.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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0x1b75 0xa200 AirLive WN-200USB wireless 11b/g/n dongle
References: https://bugs.debian.org/766802
Reported-by: Martin Mokrejs <mmokrejs@fold.natur.cuni.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Cyril Brulebois <kibi@debian.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The Tevii S480 outputs 18V on startup for the LNB supply voltage and does not
automatically power down. This blocks other receivers connected
to a satellite channel router (EN50494), since the receivers can not send the
required DiSEqC sequences when the Tevii card is connected to a the same SCR.
This patch switches off the LNB supply voltage on initialization of the frontend.
[mchehab@osg.samsung.com: add a comment about why we're explicitly
turning off voltage at device init]
Cc: stable@vger.kernel.org
Signed-off-by: Ulrich Eckhardt <uli@uli-eckhardt.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Back in commit 5136b2da770d ("PCI: convert bus code to use dev_groups"),
I misstyped the 'enable' sysfs filename as 'enabled', which broke the
userspace API. This patch fixes that issue by renaming the file back.
Fixes: 5136b2da770d ("PCI: convert bus code to use dev_groups")
Reported-by: Jeff Epler <jepler@unpythonic.net>
Tested-by: Jeff Epler <jepler@unpythonic.net> # on v3.14-rt
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org # 3.13
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev fixes from Tomi Valkeinen:
- fix fb console option parsing
- fixes for OMAPDSS/OMAPFB crashes related to module unloading and
device/driver binding & unbinding.
- fix for OMAP HDMI PLL locking failing in certain cases
- misc minor fixes for atmel lcdfb and OMAP
* tag 'fbdev-fixes-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
omap: dss: connector-analog-tv: Add missing module device table
OMAPDSS: DSI: Fix PLL_SELFEQDCO field width
OMAPDSS: fix dispc register dump for preload & mflag
OMAPDSS: DISPC: fix mflag offset
OMAPDSS: HDMI: fix regsd write
OMAPDSS: HDMI: fix PLL GO bit handling
OMAPFB: fix releasing overlays
OMAPFB: fix overlay disable when freeing resources.
OMAPDSS: apply: wait pending updates on manager disable
OMAPFB: remove __exit annotation
OMAPDSS: set suppress_bind_attrs
OMAPFB: add missing MODULE_ALIAS()
drivers: video: fbdev: atmel_lcdfb.c: remove unnecessary header
video/console: Resolve several shadow warnings
fbcon: Fix option parsing control flow in fb_console_setup
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This fix rectifies the psci cpu_suspend implementation to check the
PSCI power state parameter type field associated with the requested idle
state index.
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Although the diffstat looks scary, it's just because of the removal of
the dead code (s6000), thus it must not affect anything serious.
Other than that, all small fixes. The only core fix is zero-clear for
a PCM compat ioctl. The rest are driver-specific, bebob, sgtl500,
adau1761, intel-sst, ad1889 and a few HD-audio quirks as usual"
* tag 'sound-3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Add workaround for CMI8888 snoop behavior
ALSA: pcm: Zero-clear reserved fields of PCM status ioctl in compat mode
ALSA: bebob: Uninitialized id returned by saffirepro_both_clk_src_get
ALSA: hda/realtek - New SSID for Headset quirk
ALSA: ad1889: Fix probable mask then right shift defects
ALSA: bebob: fix wrong decoding of clock information for Terratec PHASE 88 Rack FW
ALSA: hda/realtek - Update restore default value for ALC283
ALSA: hda/realtek - Update restore default value for ALC282
ASoC: fsl: use strncpy() to prevent copying of over-long names
ASoC: adau1761: Fix input PGA volume
ASoC: s6000: remove driver
ASoC: Intel: HSW/BDW only support S16 and S24 formats.
ASoC: sgtl500: Document the required supplies
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As davinci-linux-open-source@linux.davincidsp.com is now
shut and no more maintained by TI, drop this entry from
DAVINCI MACHINE SUPPORT and DAVINCI SERIES MEDIA DRIVER.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: arm@kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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ext4_ext_convert_to_initialized() can return more blocks than are
actually allocated from map->m_lblk in case where initial part of the
on-disk extent is zeroed out. Luckily this doesn't have serious
consequences because the caller currently uses the return value
only to unmap metadata buffers. Anyway this is a data
corruption/exposure problem waiting to happen so fix it.
Coverity-id: 1226848
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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When clearing inode journal flag, we call jbd2_journal_flush() to force
all the journalled data to their final locations. Currently we ignore
when this fails and continue clearing inode journal flag. This isn't a
big problem because when jbd2_journal_flush() fails, journal is likely
aborted anyway. But it can still lead to somewhat confusing results so
rather bail out early.
Coverity-id: 989044
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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When ext4_handle_dirty_dx_node() or ext4_handle_dirty_dirent_node()
fail, there's really something wrong with the fs and there's no point in
continuing further. Just return error from make_indexed_dir() in that
case. Also initialize frames array so that if we return early due to
error, dx_release() doesn't try to dereference uninitialized memory
(which could happen also due to error in do_split()).
Coverity-id: 741300
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
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The old hash function didn't work well for 64-bit block numbers, and
used undefined (negative) shift right behavior. Use the generic
64-bit hash function instead.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reported-by: Andrey Ryabinin <a.ryabinin@samsung.com>
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O_DIRECT flags can be toggeled via fcntl(F_SETFL). But this value checked
twice inside ext4_file_write_iter() and __generic_file_write() which
result in BUG_ON inside ext4_direct_IO.
Let's initialize iocb->private unconditionally.
TESTCASE: xfstest:generic/036 https://patchwork.ozlabs.org/patch/402445/
#TYPICAL STACK TRACE:
kernel BUG at fs/ext4/inode.c:2960!
invalid opcode: 0000 [#1] SMP
Modules linked in: brd iTCO_wdt lpc_ich mfd_core igb ptp dm_mirror dm_region_hash dm_log dm_mod
CPU: 6 PID: 5505 Comm: aio-dio-fcntl-r Not tainted 3.17.0-rc2-00176-gff5c017 #161
Hardware name: Intel Corporation W2600CR/W2600CR, BIOS SE5C600.86B.99.99.x028.061320111235 06/13/2011
task: ffff88080e95a7c0 ti: ffff88080f908000 task.ti: ffff88080f908000
RIP: 0010:[<ffffffff811fabf2>] [<ffffffff811fabf2>] ext4_direct_IO+0x162/0x3d0
RSP: 0018:ffff88080f90bb58 EFLAGS: 00010246
RAX: 0000000000000400 RBX: ffff88080fdb2a28 RCX: 00000000a802c818
RDX: 0000040000080000 RSI: ffff88080d8aeb80 RDI: 0000000000000001
RBP: ffff88080f90bbc8 R08: 0000000000000000 R09: 0000000000001581
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88080d8aeb80
R13: ffff88080f90bbf8 R14: ffff88080fdb28c8 R15: ffff88080fdb2a28
FS: 00007f23b2055700(0000) GS:ffff880818400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f23b2045000 CR3: 000000080cedf000 CR4: 00000000000407e0
Stack:
ffff88080f90bb98 0000000000000000 7ffffffffffffffe ffff88080fdb2c30
0000000000000200 0000000000000200 0000000000000001 0000000000000200
ffff88080f90bbc8 ffff88080fdb2c30 ffff88080f90be08 0000000000000200
Call Trace:
[<ffffffff8112ca9d>] generic_file_direct_write+0xed/0x180
[<ffffffff8112f2b2>] __generic_file_write_iter+0x222/0x370
[<ffffffff811f495b>] ext4_file_write_iter+0x34b/0x400
[<ffffffff811bd709>] ? aio_run_iocb+0x239/0x410
[<ffffffff811bd709>] ? aio_run_iocb+0x239/0x410
[<ffffffff810990e5>] ? local_clock+0x25/0x30
[<ffffffff810abd94>] ? __lock_acquire+0x274/0x700
[<ffffffff811f4610>] ? ext4_unwritten_wait+0xb0/0xb0
[<ffffffff811bd756>] aio_run_iocb+0x286/0x410
[<ffffffff810990e5>] ? local_clock+0x25/0x30
[<ffffffff810ac359>] ? lock_release_holdtime+0x29/0x190
[<ffffffff811bc05b>] ? lookup_ioctx+0x4b/0xf0
[<ffffffff811bde3b>] do_io_submit+0x55b/0x740
[<ffffffff811bdcaa>] ? do_io_submit+0x3ca/0x740
[<ffffffff811be030>] SyS_io_submit+0x10/0x20
[<ffffffff815ce192>] system_call_fastpath+0x16/0x1b
Code: 01 48 8b 80 f0 01 00 00 48 8b 18 49 8b 45 10 0f 85 f1 01 00 00 48 03 45 c8 48 3b 43 48 0f 8f e3 01 00 00 49 83 7c
24 18 00 75 04 <0f> 0b eb fe f0 ff 83 ec 01 00 00 49 8b 44 24 18 8b 00 85 c0 89
RIP [<ffffffff811fabf2>] ext4_direct_IO+0x162/0x3d0
RSP <ffff88080f90bb58>
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Cc: stable@vger.kernel.org
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If we can't load the journal, remove the procfs files for the extent
status information file to avoid leaking resources.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
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ext4 does not permit changing the metadata or journal checksum feature
flag while mounted. Until we decide to support that, don't allow a
remount to change the journal_csum flag (right now we silently fail to
change anything).
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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If metadata checksumming is turned on for the FS, we need to tell the
journal to use checksumming too.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
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When we fail to load block bitmap in __ext4_new_inode() we will
dereference NULL pointer in ext4_journal_get_write_access(). So check
for error from ext4_read_block_bitmap().
Coverity-id: 989065
Cc: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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When there are no meta block groups update_backups() will compute the
backup block in 32-bit arithmetics thus possibly overflowing the block
number and corrupting the filesystem. OTOH filesystems without meta
block groups larger than 16 TB should be rare. Fix the problem by doing
the counting in 64-bit arithmetics.
Coverity-id: 741252
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
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When an interface is deleted, an ongoing hardware scan is canceled and
the driver must abort the scan, at the very least reporting completion
while the interface is removed.
However, if it scheduled the work that might only run after everything
is said and done, which leads to cfg80211 warning that the scan isn't
reported as finished yet; this is no fault of the driver, it already
did, but mac80211 hasn't processed it.
To fix this situation, flush the delayed work when the interface being
removed is the one that was executing the scan.
Cc: stable@vger.kernel.org
Reported-by: Sujith Manoharan <sujith@msujith.org>
Tested-by: Sujith Manoharan <sujith@msujith.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Ivybridge + 30" monitor prints a drm error on every modeset, since IVB
doesn't support DP3 we should even bother trying to use it.
This regression has been introduced in
commit 06ea66b6bb445043dc25a9626254d5c130093199
Author: Todd Previte <tprevite@gmail.com>
Date: Mon Jan 20 10:19:39 2014 -0700
drm/i915: Enable 5.4Ghz (HBR2) link rate for Displayport 1.2-capable
devices
Reported-by: Dave Airlie <airlied@redhat.com>
Reference: http://mid.gmane.org/1414566170-9868-1-git-send-email-airlied@gmail.com
Cc: Todd Previte <tprevite@gmail.com>
Cc: stable@vger.kernel.org (3.15+)
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Without that fix connector-analog-tv driver isn't probed when compiled
as module.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Following commands:
modprobe ixgbe
ifconfig ethX up
ethtool -s ethX advertise 0x020
can lead to "setup link failed with code -14" error due to the setup_link
call racing with the SFP detection routine in the watchdog.
This patch resolves this issue by protecting the setup_link call with check
for __IXGBE_IN_SFP_INIT.
Reported-by: Scott Harrison <scoharr2@cisco.com>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Signed-off-by: Martin Zhang <martinbj2008@gmail.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Incoming packet is dropped silently by sk_filter(), if the skb was
allocated from pfmemalloc reserves and the corresponding socket is
not marked with the SOCK_MEMALLOC flag.
Igb driver allocates pages for DMA with __skb_alloc_page(), which
calls alloc_pages_node() with the __GFP_MEMALLOC flag. So, in case
of OOM condition, igb can get pages with pfmemalloc flag set.
If an incoming packet hits the pfmemalloc page and is large enough
(small packets are copying into the memory, allocated with
netdev_alloc_skb_ip_align(), so they are not affected), it will be
dropped.
This behavior is ok under high memory pressure, but the problem is
that the igb driver reuses these mapped pages. So, packets are still
dropping even if all memory issues are gone and there is a plenty
of free memory.
In my case, some TCP sessions hang on a small percentage (< 0.1%)
of machines days after OOMs.
Fix this by avoiding reuse of such pages.
Signed-off-by: Roman Gushchin <klamm@yandex-team.ru>
Tested-by: Aaron Brown "aaron.f.brown@intel.com"
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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VMWare's e1000 implementation does not seem to support unicast filtering.
This can be observed by configuring a macvlan interface on eth0 in a VM in
VMWare Fusion 5.0.5, and trying to use that interface instead of eth0.
Tested on 3.16.
Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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