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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-14 11:10:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-14 11:10:44 -0700
commitae9f4939bad09767c0532f76ccc48cec0ff3ea4e (patch)
tree7574e26436530fc3c10c848e0b740f05bb02930c /arch
parent93263e5283d5c2bc447bc42956f4fa58a3a0a63a (diff)
parentc481420248c6730246d2a1b1773d5d7007ae0835 (diff)
downloadlinux-ae9f4939bad09767c0532f76ccc48cec0ff3ea4e.tar.bz2
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar: "Misc fixlets" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Fix error return code ftrace: Fix strncpy() use, use strlcpy() instead of strncpy() perf: Fix strncpy() use, use strlcpy() instead of strncpy() perf: Fix strncpy() use, always make sure it's NUL terminated perf: Fix ring_buffer perf_output_space() boundary calculation perf/x86: Fix uninitialized pt_regs in intel_pmu_drain_bts_buffer()
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_ds.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index b05a575d56f4..26830f3af0df 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -314,10 +314,11 @@ int intel_pmu_drain_bts_buffer(void)
if (top <= at)
return 0;
+ memset(&regs, 0, sizeof(regs));
+
ds->bts_index = ds->bts_buffer_base;
perf_sample_data_init(&data, 0, event->hw.last_period);
- regs.ip = 0;
/*
* Prepare a generic sample, i.e. fill in the invariant fields.