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perf/x86/intel: Remove an inconsistent NULL check

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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 <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: David Carrillo-Cisneros <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Vince Weaver <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Dan Carpenter 2016-10-14 10:29:08 +03:00 • committed by Ingo Molnar
commit 5c38181ce9
1 changed files with 2 additions and 2 deletions
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4
arch/x86/events/intel/lbr.c
View file

@ -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--;
}