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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile update to run "make minconfig" on the tile defconfigs
from Chris Metcalf.
This removes almost three thousand lines of inane defconfig chatter.
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
arch/tile/configs: convert to minimal configs via "make savedefconfig"
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"hscfg" is declared as struct mwifiex_ds_hs_cfg. Use same structure
name for calculating it's size.
Signed-off-by: Amitkumar Karwar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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For files sta_rx.c, sta_tx.c, txrx.c, util.c and wmm.c
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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For files sta_event.c and sta_ioctl.c
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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For sta_cmd.c and sta_cmdresp.c
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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For file sdio.c
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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For file scan.c
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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For files main.c, main.h and pcie.c
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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For files fw.h, init.c and join.c
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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For files cfg80211.c, cfp.c, and cmdevt.c
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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For files 11n.c, 11n.h, 11n_aggr.c, 11n_rxreorder.c
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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Signed-off-by: Chris Metcalf <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux into drm-fixes
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux:
drm/i915: support 32 bit BGR formats in sprite planes
drm/i915: fix color order for BGR formats on SNB
drm/gma500: Fix Cedarview boot failures in 3.3-rc
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Some corner case fixes.
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
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Intersil reports that all chips supported by the zl6100 driver require
an interval between chip accesses, even ZL2004 and ZL6105 which were thought
to be safe.
Reported-by: Vivek Gani <[email protected]>
Cc: [email protected] # 3.2+
Signed-off-by: Guenter Roeck <[email protected]>
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On ancient systems I get this build failure:
util/../../../arch/x86/include/asm/unistd.h:67:29: error: asm/unistd_64.h: No such file or directory
In file included from util/cache.h:7,
from builtin-test.c:8:
util/../perf.h: In function ‘sys_perf_event_open’:In file included from util/../perf.h:16
perf.h:170: error: ‘__NR_perf_event_open’ undeclared (first use in this function)
The reason is that this old system does not have the split
unistd.h headers yet, from which to pick up the syscall
definitions.
Add the syscall numbers to the already existing i386 and x86_64
blocks in perf.h, and also provide empty include file stubs.
With this patch perf builds and works fine on 5 years old
user-space as well.
Cc: Peter Zijlstra <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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Several places were expecting that the value returned was the number of
characters printed, not what would be printed if there was space.
Fix it by using the scnprintf and vscnprintf variants we inherited from
the kernel sources.
Some corner cases where the number of printed characters were not
accounted were fixed too.
Reported-by: Anton Blanchard <[email protected]>
Cc: Anton Blanchard <[email protected]>
Cc: Eric B Munson <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Yanmin Zhang <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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I have a workload where perf top scribbles over the stack and we SEGV.
What makes it interesting is that an snprintf is causing this.
The workload is a c++ gem that has method names over 3000 characters
long, but snprintf is designed to avoid overrunning buffers. So what
went wrong?
The problem is we assume snprintf returns the number of characters
written:
ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", self->level);
...
ret += repsep_snprintf(bf + ret, size - ret, "%s", self->ms.sym->name);
Unfortunately this is not how snprintf works. snprintf returns the
number of characters that would have been written if there was enough
space. In the above case, if the first snprintf returns a value larger
than size, we pass a negative size into the second snprintf and happily
scribble over the stack. If you have 3000 character c++ methods thats a
lot of stack to trample.
This patch fixes repsep_snprintf by clamping the value at size - 1 which
is the maximum snprintf can write before adding the NULL terminator.
I get the sinking feeling that there are a lot of other uses of snprintf
that have this same bug, we should audit them all.
Cc: David Ahern <[email protected]>
Cc: Eric B Munson <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Yanmin Zhang <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/20120307114249.44275ca3@kryten
Signed-off-by: Anton Blanchard <[email protected]>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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When put_io_context is called, if ioc->icq_list is empty and refcount
is 1, kernel will not free the ioc.
This is caught by following kmemleak:
unreferenced object 0xffff880036349fe0 (size 216):
comm "sh", pid 2137, jiffies 4294931140 (age 290579.412s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
01 00 01 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........
backtrace:
[<ffffffff8169f926>] kmemleak_alloc+0x26/0x50
[<ffffffff81195a9c>] kmem_cache_alloc_node+0x1cc/0x2a0
[<ffffffff81356b67>] create_io_context_slowpath+0x27/0x130
[<ffffffff81356d2b>] get_task_io_context+0xbb/0xf0
[<ffffffff81055f0e>] copy_process+0x188e/0x18b0
[<ffffffff8105609b>] do_fork+0x11b/0x420
[<ffffffff810247f8>] sys_clone+0x28/0x30
[<ffffffff816d3373>] stub_clone+0x13/0x20
[<ffffffffffffffff>] 0xffffffffffffffff
ioc should be freed if ioc->icq_list is empty.
Signed-off-by: Xiaotian Feng <[email protected]>
Acked-by: Vivek Goyal <[email protected]>
Acked-by: Tejun Heo <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Disabling and enabling DCB can cause FCoE hardware initialization to
occur on the incorrect traffic class when the up2tc mapping has not
yet been reconfigured.
Fix this by using the DCB configuration maps that are correct
and will be pushed at mqprio after DCB driver setup completes
successfully.
Signed-off-by: John Fastabend <[email protected]>
Tested-by: Marcus Dennis <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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There was a race condition in the reset path where the RX buffer
could become corrupted during Fdir configuration.This is due to
a HW bug.The fix right now is to lock the buffer while we do the
fdir configuration.Since we were using similar workaround for another bug,
I moved the existing code to a function and reused it.HW team also recommended
that IXGBE_MAX_SECRX_POLL value be changed from 30 to 40.The erratum for this
bug will be published in the next release 82599 Spec Update
Signed-off-by: Atita Shirwaikar <[email protected]>
Acked-by: Peter P Waskiewicz Jr <[email protected]>
Tested-by: Stephen Ko <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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using the form min((int)var, ver)) is replaced by min_t(int, ...)
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Stephen Ko <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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This is clearly a typeo where we are not checking the return value from
get_link_capabilities but should. This patch corrects that.
Signed-off-by: Don Skidmore <[email protected]>
Tested-by: Stephen Ko <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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There isn't much point in using variables to store the values of eitr_low
and eitr_high since they are not user changeable. As such I am replacing
them with the constants 10 and 20 in order to avoid any confusion on what
the values actually are.
Signed-off-by: Alexander Duyck <[email protected]>
Tested-by: Stephen Ko <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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A previous fix had gone though and disabled relaxed ordering for Rx
descriptor read fetching. This was not necessary as this functions
correctly and has no ill effects on the system.
In addition several of the defines used for the DCA control registers were
incorrect in that they indicated descriptor effects when they actually had
an impact on either data or header write back. As such I have update these
to correctly reflect either DATA or HEAD.
Signed-off-by: Alexander Duyck <[email protected]>
Tested-by: Stephen Ko <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Use the current logging styles.
Remove unnecessary _DEBUG_DRIVER_ and PFX, use pr_debug.
Coalesce format.
Signed-off-by: Joe Perches <[email protected]>
Tested-by: Jeff Pieper <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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This patch addresses a iscsi-target specific bug related to reservation conflict
handling in iscsit_handle_scsi_cmd() that has been causing reservation conflicts
to complete and not fail as expected due to incorrect errno checking. The problem
occured with the change to return -EBUSY from transport_generic_cmd_sequencer() ->
transport_generic_allocate_tasks() failures, that broke iscsit_handle_scsi_cmd()
checking for -EINVAL in order to invoke a non GOOD status response.
This was manifesting itself as data corruption with legacy SPC-2 reservations,
but also effects iscsi-target LUNs with SPC-3 persistent reservations.
This bug was originally introduced in lio-core commit:
commit 03e98c9eb916f3f0868c1dc344dde2a60287ff72
Author: Nicholas Bellinger <[email protected]>
Date: Fri Nov 4 02:36:16 2011 -0700
target: Address legacy PYX_TRANSPORT_* return code breakage
Reported-by: Martin Svec <[email protected]>
Cc: Martin Svec <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: [email protected]
Signed-off-by: Nicholas Bellinger <[email protected]>
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This patch addresses a bug with target_check_scsi2_reservation_conflict()
return checking in target_scsi2_reservation_[reserve,release]() that was
preventing CRH=1 operation from silently succeeding in the two special
cases defined by SPC-3, and not failing with reservation conflict status
when dealing with legacy RESERVE/RELEASE + active SPC-3 PR logic.
Also explictly set cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT during
the early non reservation holder failure from pr_ops->t10_seq_non_holder()
check in transport_generic_cmd_sequencer() for fabrics that already expect
it to be set.
This bug was originally introduced in mainline commit:
commit eacac00ce5bfde8086cd0615fb53c986f7f970fe
Author: Christoph Hellwig <[email protected]>
Date: Thu Nov 3 17:50:40 2011 -0400
target: split core_scsi2_emulate_crh
Reported-by: Martin Svec <[email protected]>
Cc: Martin Svec <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: [email protected]
Signed-off-by: Nicholas Bellinger <[email protected]>
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Pull sparc updates from David Miller:
"Please pull to get this fix for the sparc32 build when using a more
recent binutils."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc32: Add -Av8 to assembler command line.
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Newer version of binutils are more strict about specifying the
correct options to enable certain classes of instructions.
The sparc32 build is done for v7 in order to support sun4c systems
which lack hardware integer multiply and divide instructions.
So we have to pass -Av8 when building the assembler routines that
use these instructions and get patched into the kernel when we find
out that we have a v8 capable cpu.
Reported-by: Paul Gortmaker <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Pull networking changes from David Miller:
"The most important bit here is the TCP syncookies issue, which seems
to have been busted for some time. That fix has been verified in
production by the reporter.
1) Persistent TUN devices erroneously hold on to the network namespace
in such a way that it cannot be shutdown. Fix from Stanislav
Kinsbursky with help from Eric Dumazet.
2) TCP SYN cookies have been broken for a while due to how the route
lookup flow key is managed, connections can be delayed by as much
as 20 seconds due to this bug. Fix from Eric Dumazet.
3) Missing jiffies.h include in lib/dynamic_queue_limits.c can break
the build, from Tom Herbert.
4) Add USB device ID for Sitecom LN-031, from Joerg Neikes.
5) Fix OOPS in delayed workqueue in iwlegacy, from Stanislaw Gruszka.
6) rt2x00 TX queue can be disabled forever due to races, fix by
synchronizing pause/unpause with a lock. Also from Stanislaw
Gruszka.
7) Statistics and endian fix in bnx2x driver from Yuval Mintz, Eilon
Greenstein, and Ariel Elior."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
tun: don't hold network namespace by tun sockets
bnx2x: FCoE statistics id fixed
bnx2x: dcb bit indices flags used as bits
bnx2x: added cpu_to_le16 when preparing ramrod's data
bnx2x: pfc statistics counts pfc events twice
rt2x00: fix random stalls
iwl3945: fix possible il->txq NULL pointer dereference in delayed works
dql: Fix undefined jiffies
tcp: fix syncookie regression
usb: asix: Patch for Sitecom LN-031
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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile update from Chris Metcalf
"These include a couple of queued-up minor bug fixes from the
community, a fix to unbreak the sysfs hooks in tile, and syncing up
the defconfigs."
Ugh. defconfigs updates without "make minconfig". Tons of ugly
pointless lines there, I suspect.
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: Use set_current_blocked() and block_sigmask()
arch/tile: misplaced parens near likely
arch/tile: sync up the defconfig files to the tip
arch/tile: Fix up from commit 8a25a2fd126c621f44f3aeaef80d51f00fc11639
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar.
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf record: Fix buffer overrun bug in tracepoint_id_to_path()
perf/x86: Fix local vs remote memory events for NHM/WSM
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Pull CIFS fixes from Steve French.
* git://git.samba.org/sfrench/cifs-2.6:
CIFS: Do not kmalloc under the flocks spinlock
cifs: possible memory leak in xattr.
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fixes from Al Viro:
"A bunch of assorted fixes; Jan's freezing stuff still _not_ in there
and neither is mm fun ;-/"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
restore smp_mb() in unlock_new_inode()
vfs: fix return value from do_last()
vfs: fix double put after complete_walk()
udf: Fix deadlock in udf_release_file()
vfs: Correctly set the dir i_mutex lockdep class
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As described in e6fa16ab ("signal: sigprocmask() should do
retarget_shared_pending()") the modification of current->blocked is
incorrect as we need to check whether the signal we're about to block
is pending in the shared queue.
Also, use the new helper function introduced in commit 5e6292c0f28f
("signal: add block_sigmask() for adding sigmask to current->blocked")
which centralises the code for updating current->blocked after
successfully delivering a signal and reduces the amount of duplicate
code across architectures. In the past some architectures got this
code wrong, so using this helper function should stop that from
happening again.
Cc: Arnd Bergmann <[email protected]>
Acked-by: Oleg Nesterov <[email protected]>
Signed-off-by: Matt Fleming <[email protected]>
Signed-off-by: Chris Metcalf <[email protected]>
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When regulatory information changes our HT behavior (e.g,
when we get a country code from the AP we have just associated
with), we should use this information to change the power with
which we transmit, and what channels we transmit. Sometimes
the channel parameters we derive from regulatory information
contradicts the parameters we used in association. For example,
we could have associated specifying HT40, but the regulatory
rules we apply may forbid HT40 operation.
In the situation above, we should reconfigure ourselves to
transmit in HT20 only, however it makes no sense for us to
disable receive in HT40, since if we associated with these
parameters, the AP has every reason to expect we can and
will receive packets this way. The code in mac80211 does
not have the capability of sending the appropriate action
frames to signal a change in HT behaviour so the AP has
no clue we can no longer receive frames encoded this way.
In some broken AP implementations, this can leave us
effectively deaf if the AP never retries in lower HT rates.
This change breaks up the channel_type parameter in the
ieee80211_enable_ht function into a separate receive and
transmit part. It honors the channel flags set by regulatory
in order to configure the rate control algorithm, but uses
the capability flags to configure the channel on the radio,
since these were used in association to set the AP's transmit
rate.
Signed-off-by: Paul Stewart <[email protected]>
Cc: Sam Leffler <[email protected]>
Cc: Johannes Berg <[email protected]>
Reviewed-by: Luis R Rodriguez <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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This value is not really very useful by itself,
yet some drivers (including iwlwifi until I can
figure out what it should do) use it. At least
rename it to "last_tsf" to indicate the meaning
and add a note that it may be really old.
I suspect the value may become useful combined
with the rx_status->mactime, but we don't (yet)
store that value and pass it to the driver.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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This is intended to be the timestamp sent by the
peer in the beacon/probe response, not any form
of host timestamp. Clarify the documentation and
variable names.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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The cfg80211_inform_bss() timestamp argument is
intended to be the TSF, not any form of host
timestamp.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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Signed-off-by: Yegor Yefremov <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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Renaming the long fuctions and variable names from 11n_rxreoder.c
file to shorter ones for better readability.
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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This adds better readability.
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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For the delay of 10 uSec or more usleep_range is prefered.
Unlike udelay, sleep_range avoids large number of undesired
interrupts.
Ref Documentation/timers/timers-howto.txt
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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There exist different functions with very long names
to derive the channel frequency and power tripplet
based on band and channel/freq.
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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Fixing coding style by rearranging the switch statement
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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This saves some space and adds better readability.
Signed-off-by: Yogesh Ashok Powar <[email protected]>
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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Not linearizing every SKB will help actually pass
non-linear SKBs all the way up when on an encrypted
connection. For now, linearize TKIP completely as
it is lower performance and I don't quite grok all
the details.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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This is better done inside the WEP decrypt
function where it doesn't have to check all
the conditions any more since they've been
tested already.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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Recent changes in udev are causing problems for drivers that load firmware
from the probe routine. As b43 has such a structure, it must be changed.
As this driver loads more than 1 firmware file, changing to the asynchronous routine
request_firmware_nowait() would be complicated. In this implementation, the probe
routine starts a queue that calls the firmware loading routines.
Signed-off-by: Larry Finger <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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