| Commit message (Collapse) | Author | Age |
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The skip label frees resp, which has not been allocated at the point of
this goto and then does a break, based on the fact that err is non-zero.
This is replaced by a break directly.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@free@
expression E;
position p;
@@
kfree@p(E)
@@
expression free.E, subE<=free.E, E1;
position free.p;
@@
kfree@p(E)
...
(
subE = E1
|
* E
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add PM support in order to turn off backlight on suspend, restore
it on resume and especially restore complete state on reset-resume.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add suspend/resume hooks for HID drivers so these can do some
additional state adjustment when device gets suspended/resumed.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
libata: unlock HPA if device shrunk
libata: disable NCQ on Crucial C300 SSD
libata: don't whine on spurious IRQ
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Some BIOSes don't configure HPA during boot but do so while resuming.
This causes harddrives to shrink during resume making libata detach
and reattach them. This can be worked around by unlocking HPA if old
size equals native size.
Add ATA_DFLAG_UNLOCK_HPA so that HPA unlocking can be controlled
per-device and update ata_dev_revalidate() such that it sets
ATA_DFLAG_UNLOCK_HPA and fails with -EIO when the above condition is
detected.
This patch fixes the following bug.
https://bugzilla.kernel.org/show_bug.cgi?id=15396
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Oleksandr Yermolenko <yaa.bta@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Crucial said,
Thank you for contacting us. We know that with our M225 line of SSDs
you sometimes need to disable NCQ (native command queuing) to avoid
just the type of errors you're seeing. Our recommendation for the
M225 is to add libata.force=noncq to your Linux kernel boot options,
under the kernel ATA library option.
I have sent your feedback to the engineers working on the C300, and
asked them to please pass it on to the firmware team. I have been
notified that they are in the process of testing and finalizing a
new firmware version, that you can expect to see released around the
end of April. We’ll keep you posted as to when it will be available
for download.
So, turn off NCQ on the drive w/ the current firmware revision.
Reported in the following bug.
https://bugzilla.kernel.org/show_bug.cgi?id=15573
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: lethalwp@scarlet.be
Reported-by: Luke Macken <lmacken@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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On configurations where IRQ line is shared with a different
controller, spurious IRQs may happen continuously. The message was
put there primarily for debugging anyway. Kill it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (37 commits)
smc91c92_cs: fix the problem of "Unable to find hardware address"
r8169: clean up my printk uglyness
net: Hook up cxgb4 to Kconfig and Makefile
cxgb4: Add main driver file and driver Makefile
cxgb4: Add remaining driver headers and L2T management
cxgb4: Add packet queues and packet DMA code
cxgb4: Add HW and FW support code
cxgb4: Add register, message, and FW definitions
netlabel: Fix several rcu_dereference() calls used without RCU read locks
bonding: fix potential deadlock in bond_uninit()
net: check the length of the socket address passed to connect(2)
stmmac: add documentation for the driver.
stmmac: fix kconfig for crc32 build error
be2net: fix bug in vlan rx path for big endian architecture
be2net: fix flashing on big endian architectures
be2net: fix a bug in flashing the redboot section
bonding: bond_xmit_roundrobin() fix
drivers/net: Add missing unlock
net: gianfar - align BD ring size console messages
net: gianfar - initialize per-queue statistics
...
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smc91c92_cs:
*cvt_ascii_address returns 0, if success.
*call free_netdev, if we can't find hardware address.
Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix formatting on r8169 printk
Brandon Philips noted that I had a spacing issue in my printk for the
last r8169 patch that made it quite ugly. Fix that up and add the PFX
macro to it as well so it looks like the other r8169 printks
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The recent changes to add RCU lock verification to rcu_dereference() calls
caught out a problem with netlbl_unlhsh_hash(), see below.
===================================================
[ INFO: suspicious rcu_dereference_check() usage. ]
---------------------------------------------------
net/netlabel/netlabel_unlabeled.c:246 invoked rcu_dereference_check()
without protection!
This patch fixes this problem as well as others like it in the NetLabel
code. Also included in this patch is the identification of future work
to eliminate the RCU read lock in netlbl_domhsh_add(), but in the interest
of getting this patch out quickly that work will happen in another patch
to be finished later.
Thanks to Eric Dumazet and Paul McKenney for their help in understanding
the recent RCU changes.
Signed-off-by: Paul Moore <paul.moore@hp.com>
Reported-by: David Howells <dhowells@redhat.com>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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bond_uninit() is invoked with rtnl_lock held, when it does destroy_workqueue()
which will potentially flush all works in this workqueue, if we hold rtnl_lock
again in the work function, it will deadlock.
So move destroy_workqueue() to destructor where rtnl_lock is not held any more,
suggested by Eric.
Signed-off-by: WANG Cong <amwang@redhat.com>
Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: Jiri Pirko <jpirko@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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check the length of the socket address passed to connect(2).
Check the length of the socket address passed to connect(2). If the
length is invalid, -EINVAL will be returned.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
----
net/bluetooth/l2cap.c | 3 ++-
net/bluetooth/rfcomm/sock.c | 3 ++-
net/bluetooth/sco.c | 3 ++-
net/can/bcm.c | 3 +++
net/ieee802154/af_ieee802154.c | 3 +++
net/ipv4/af_inet.c | 5 +++++
net/netlink/af_netlink.c | 3 +++
7 files changed, 20 insertions(+), 3 deletions(-)
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add Documentation/networking/stmmac.txt for the
stmmac network driver.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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stmmac uses crc32 functions so it needs to select CRC32.
Fixes build error:
drivers/built-in.o: In function `dwmac1000_set_filter':
dwmac1000_core.c:(.text+0x3c380): undefined reference to `crc32_le'
dwmac1000_core.c:(.text+0x3c384): undefined reference to `bitrev32'
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vlan traffic on big endian architecture is broken.
Need to swap the vid before giving packet to stack.
This patch fixes it.
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Flashing is broken on big endian architectures like ppc.
This patch fixes it.
From: Naresh G <nareshg@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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The libertas driver calls wiphy_unregister() without a prior
wiphy_register() when a devices fails initialization. Fix this by
introducing a private flag.
[ 9.310000] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[...]
[ 9.330000] [<c0311310>] (wiphy_unregister+0xfc/0x19c) from [<bf00c9ec>] (lbs_cfg_free+0x70/0x9c [libertas])
[ 9.330000] [<bf00c9ec>] (lbs_cfg_free+0x70/0x9c [libertas]) from [<bf014fdc>] (lbs_remove_card+0x180/0x210 [libertas])
[ 9.330000] [<bf014fdc>] (lbs_remove_card+0x180/0x210 [libertas]) from [<bf035394>] (if_sdio_probe+0xdc4/0xef4 [libertas_sdio])
[ 9.330000] [<bf035394>] (if_sdio_probe+0xdc4/0xef4 [libertas_sdio]) from [<c0230d14>] (sdio_bus_probe+0xd4/0xf0)
[ 9.330000] [<c0230d14>] (sdio_bus_probe+0xd4/0xf0) from [<c01a6034>] (driver_probe_device+0xa4/0x174)
[ 9.330000] [<c01a6034>] (driver_probe_device+0xa4/0x174) from [<c01a6164>] (__driver_attach+0x60/0x84)
[ 9.330000] [<c01a6164>] (__driver_attach+0x60/0x84) from [<c01a5854>] (bus_for_each_dev+0x4c/0x8c)
[ 9.330000] [<c01a5854>] (bus_for_each_dev+0x4c/0x8c) from [<c01a50e4>] (bus_add_driver+0xa0/0x228)
[ 9.330000] [<c01a50e4>] (bus_add_driver+0xa0/0x228) from [<c01a6470>] (driver_register+0xc0/0x150)
[ 9.330000] [<c01a6470>] (driver_register+0xc0/0x150) from [<bf03a06c>] (if_sdio_init_module+0x6c/0x108 [libertas_sdio])
[ 9.330000] [<bf03a06c>] (if_sdio_init_module+0x6c/0x108 [libertas_sdio]) from [<c00263ac>] (do_one_initcall+0x5c/0x1bc)
[ 9.330000] [<c00263ac>] (do_one_initcall+0x5c/0x1bc) from [<c0069f80>] (sys_init_module+0xc0/0x1f0)
[ 9.330000] [<c0069f80>] (sys_init_module+0xc0/0x1f0) from [<c0026f00>] (ret_fast_syscall+0x0/0x30)
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Dan Williams <dcbw@redhat.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Holger Schurig <hs4233@mail.mn-solutions.de>
Cc: Bing Zhao <bzhao@marvell.com>
Cc: libertas-dev@lists.infradead.org
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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IWL_RATE_COUNT is 13 and IWL_RATE_COUNT_LEGACY is 12.
IWL_RATE_COUNT_LEGACY is the right one here because iwl3945_rates
doesn't support 60M and also that's how "rates" is defined in
iwlcore_init_geos() from drivers/net/wireless/iwlwifi/iwl-core.c.
rates = kzalloc((sizeof(struct ieee80211_rate) * IWL_RATE_COUNT_LEGACY),
GFP_KERNEL);
Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: stable@kernel.org
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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An int urb is constructed but we fill it in with a bulk pipe type.
Commit f661c6f8c67bd55e93348f160d590ff9edf08904 implemented a pipe type
check when CONFIG_USB_DEBUG is enabled. The check failed for all the ar9170
usb transfers and the driver could not configure the wifi dongle.
This went unnoticed until now because most people don't have
CONFIG_USB_DEBUG enabled.
Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Cc: Stable <stable@kernel.org>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Recent bug reports have shown that rt2500usb also suffers from the
powersave problems that the PCI rt2x00 drivers suffer from.
So disable powersaving by default for rt2500usb as well.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Previously in interrupt handling tasklet, iwlwifi driver only clear/ack
those interrupts that are enabled by the driver through inta_mask.
If the hardware generates unattended interrupts, driver will not ack them,
defeating the interrupt coalescing feature. This results in high number
of interrupts per second and high CPU utilization.
This patch addresses this issue by acking those unattended interrupts
in the tasklet. Local test showed an order of magnitude improvement
in terms of the number of interrupts without sacrificing networking
throughput. This is a workaround for hardware issue.
Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Forget one hunk in 4965 during "iwlwifi: error checking for number of tfds
in queue" patch.
Reported-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
CC: stable@kernel.org
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Commit "cfg80211: convert bools into flags" mistakenly modified iwlwifi's
regulatory settings instead of just converting it. Fix this.
This fixes http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2172
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
CC: stable@kernel.org
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"mac80211: fix skb buffering issue" still left a race
between enabling the hardware queues and the virtual
interface queues. In hindsight it's totally obvious
that enabling the netdev queues for a hardware queue
when the hardware queue is enabled is wrong, because
it could well possible that we can fill the hw queue
with packets we already have pending. Thus, we must
only enable the netdev queues once all the pending
packets have been processed and sent off to the device.
In testing, I haven't been able to trigger this race
condition, but it's clearly there, possibly only when
aggregation is being enabled.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Thanks to Chris Chabot for giving his old wireless usb dongle to me
to test it under Linux.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Benjamin Larsson <banan@ludd.ltu.se>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds support for the NEC WL300NU-G USB wifi dongle.
Signed-off-by: Ben Konrath <ben@bagu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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1st) a PREQ should only be processed, if it has the same SN and better
metric (instead of better or equal).
2nd) next_hop[ETH_ALEN] now actually used to buffer
mpath->next_hop->sta.addr for use out of lock.
Signed-off-by: Marco Porsch <marco.porsch@siemens.com>
Acked-by: Javier Cardona <javier@cozybit.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Stanse discovered that kmalloc is being called with GFP_KERNEL while
holding this spinlock. The spinlock can be a mutex instead, which also
enables the removal of the unlock/lock around the lock/unlock of
cfg80211_mutex and the call to set_regdom.
Reported-by: Jiri Slaby <jirislaby@gmail.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Commit a2fd940f (bonding: fix broken multicast with round-robin mode)
added a problem on litle endian machines.
drivers/net/bonding/bond_main.c:4159: warning: comparison is always
false due to limited range of data type
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Unlock the lock before leaving the function.
A simplified version of the semantic patch that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
expression E1;
identifier f;
@@
f (...) { <+...
* spin_lock_irqsave (E1,...);
... when != E1
* return ...;
...+> }
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fix this:
eth2: :RX BD ring size for Q[0]: 256
eth2:TX BD ring size for Q[0]: 256
to look like:
eth2: RX BD ring size for Q[0]: 256
eth2: TX BD ring size for Q[0]: 256
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Interfaces come up claiming having already received 3.0 GiB.
Use kzalloc to properly initialize per-queue data.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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gianfar needed to ensure existence of the *skbuff arrays before
freeing the skbs in them, rather than ensuring their nonexistence.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tcp_read_sock() can have a eat skbs without immediately advancing copied_seq.
This can cause a panic in tcp_collapse() if it is called as a result
of the recv_actor dropping the socket lock.
A userspace program that splices data from a socket to either another
socket or to a file can trigger this bug.
Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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copy_to_user() returns the number of bytes left to be copied.
This was a typo from: d82ef020cf31 "proc: pagemap: Hold mmap_sem during
page walk".
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Module refcounting is implemented with a per-cpu counter for speed.
However there is a race when tallying the counter where a reference may
be taken by one CPU and released by another. Reference count summation
may then see the decrement without having seen the previous increment,
leading to lower than expected count. A module which never has its
actual reference drop below 1 may return a reference count of 0 due to
this race.
Module removal generally runs under stop_machine, which prevents this
race causing bugs due to removal of in-use modules. However there are
other real bugs in module.c code and driver code (module_refcount is
exported) where the callers do not run under stop_machine.
Fix this by maintaining running per-cpu counters for the number of
module refcount increments and the number of refcount decrements. The
increments are tallied after the decrements, so any decrement seen will
always have its corresponding increment counted. The final refcount is
the difference of the total increments and decrements, preventing a
low-refcount from being returned.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] qla1280: retain firmware for error recovery
[SCSI] attirbute_container: Initialize sysfs attributes with sysfs_attr_init
[SCSI] advansys: fix regression with request_firmware change
[SCSI] qla2xxx: Updated version number to 8.03.02-k2.
[SCSI] qla2xxx: Prevent sending mbx commands from sysfs during isp reset.
[SCSI] qla2xxx: Disable MSI on qla24xx chips other than QLA2432.
[SCSI] qla2xxx: Check to make sure multique and CPU affinity support is not enabled at the same time.
[SCSI] qla2xxx: Correct vp_idx checking during PORT_UPDATE processing.
[SCSI] qla2xxx: Honour "Extended BB credits" bit for CNAs.
[SCSI] scsi_transport_fc: Make sure commands are completed when rport is offline
[SCSI] libiscsi: Fix recovery slowdown regression
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