Kan Liang 96f3eda67f perf/x86/intel: Fix static checker warning in lbr enable ...

Commit deb27519bf ("perf/x86/intel: Fix LBR callstack issue caused
by FREEZE_LBRS_ON_PMI") leads to the following Smatch complaint:

   warn: variable dereferenced before check 'cpuc->lbr_sel' (see line 154)

Fix the warning.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kan Liang <kan.liang@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: deb27519bf ("perf/x86/intel: Fix LBR callstack issue caused by FREEZE_LBRS_ON_PMI")
Link: http://lkml.kernel.org/r/1442240047-48149-1-git-send-email-kan.liang@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2015-09-18 09:24:57 +02:00

..

alpha

alpha: lib: export __delay

2015-09-17 21:16:07 -07:00

arc

ARCv2: [axs103_smp] Reduce clk for SMP FPGA configs

2015-09-11 19:34:01 -07:00

arm

Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm

2015-09-14 12:24:10 -07:00

arm64

arm64: errata: add module build workaround for erratum #843419

2015-09-17 11:57:03 +01:00

avr32

Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2015-09-03 15:46:07 -07:00

blackfin

Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2015-09-03 15:46:07 -07:00

c6x

Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2015-09-01 14:33:35 -07:00

cris

CRISv10: delete unused lib/dmacopy.c

2015-09-05 00:56:51 +02:00

frv

Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2015-09-03 15:46:07 -07:00

h8300

dma-mapping: consolidate dma_set_mask

2015-09-10 13:29:01 -07:00

hexagon

Merge branch 'akpm' (patches from Andrew)

2015-09-10 18:19:42 -07:00

ia64

ia64: Enable userfaultfd and membarrier system calls

2015-09-15 16:22:45 -07:00

m32r

lib/decompressors: use real out buf size for gunzip with kernel

2015-09-10 13:29:01 -07:00

m68k

kexec: split kexec_load syscall from kexec core code

2015-09-10 13:29:01 -07:00

metag

Merge tag 'metag-for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag

2015-09-09 10:27:59 -07:00

microblaze

Merge branch 'akpm' (patches from Andrew)

2015-09-10 18:19:42 -07:00

mips

dma-mapping: consolidate dma_set_mask

2015-09-10 13:29:01 -07:00

mn10300

Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2015-09-03 15:46:07 -07:00

nios2

nios2: add Max10 defconfig

2015-09-08 18:16:02 +08:00

openrisc

dma-mapping: consolidate dma_set_mask

2015-09-10 13:29:01 -07:00

parisc

parisc: Use platform_device_register_simple("rtc-generic")

2015-09-08 17:53:48 +02:00

powerpc

perf/core: Drop PERF_EVENT_TXN

2015-09-13 11:27:30 +02:00

s390

perf/core: Drop PERF_EVENT_TXN

2015-09-13 11:27:30 +02:00

score

Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2015-09-01 14:04:50 -07:00

sh

dma-mapping: consolidate dma_set_mask

2015-09-10 13:29:01 -07:00

sparc

perf/core: Drop PERF_EVENT_TXN

2015-09-13 11:27:30 +02:00

tile

dma-mapping: consolidate dma_set_mask

2015-09-10 13:29:01 -07:00

um

Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2015-09-01 14:04:50 -07:00

unicore32

dma-mapping: consolidate dma_set_mask

2015-09-10 13:29:01 -07:00

x86

perf/x86/intel: Fix static checker warning in lbr enable

2015-09-18 09:24:57 +02:00

xtensa

dma-mapping: consolidate dma_set_mask

2015-09-10 13:29:01 -07:00

.gitignore

…

Kconfig

kexec: split kexec_load syscall from kexec core code

2015-09-10 13:29:01 -07:00