Commit-ID: 5c38181ce9c5182377e79271a3ed0a2d0e999c33
Gitweb: http://git.kernel.org/tip/5c38181ce9c5182377e79271a3ed0a2d0e999c33
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
AuthorDate: Fri, 14 Oct 2016 10:29:08 +0300
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Sun, 16 Oct 2016 11:34:14 +0200
perf/x86/intel: Remove an inconsistent NULL check
Smatch complains that we don't check "event->ctx" consistently. It's
never NULL so we can just remove the check.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: David Carrillo-Cisneros <davidcc@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Vince Weaver <vincent.weaver@xxxxxxxxx>
Cc: kernel-janitors@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/events/intel/lbr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index fc6cf21..81b321a 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -458,8 +458,8 @@ void intel_pmu_lbr_del(struct perf_event *event)
if (!x86_pmu.lbr_nr)
return;
- if (branch_user_callstack(cpuc->br_sel) && event->ctx &&
- event->ctx->task_ctx_data) {
+ if (branch_user_callstack(cpuc->br_sel) &&
+ event->ctx->task_ctx_data) {
task_ctx = event->ctx->task_ctx_data;
task_ctx->lbr_callstack_users--;
}
--
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