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authorLinus Torvalds <torvalds@linux-foundation.org>2014-07-16 10:10:27 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2014-07-16 10:10:27 -1000
commitd14aef3872bd25af5355a10ad5235556ac83fcfd (patch)
treefad09e5947a90c8613deca5ced460406cf7f24ee /kernel
parent2da2944740931f2b3ef49fd88824959951f5693e (diff)
parent1f9a7268c67f0290837aada443d28fd953ddca90 (diff)
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar: "Tooling fixes and an Intel PMU driver fixlet" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Do not allow optimized switch for non-cloned events perf/x86/intel: ignore CondChgd bit to avoid false NMI handling perf symbols: Get kernel start address by symbol name perf tools: Fix segfault in cumulative.callchain report
Diffstat (limited to 'kernel')
-rw-r--r--kernel/events/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index a33d9a2bcbd..b0c95f0f06f 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2320,7 +2320,7 @@ static void perf_event_context_sched_out(struct task_struct *task, int ctxn,
next_parent = rcu_dereference(next_ctx->parent_ctx);
/* If neither context have a parent context; they cannot be clones. */
- if (!parent && !next_parent)
+ if (!parent || !next_parent)
goto unlock;
if (next_parent == ctx || next_ctx == parent || next_parent == parent) {