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@oracle.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Carrillo-Cisneros <davidcc@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: kernel-janitors@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index fc6cf21..81b321a 100644 (file)
--- 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--;
        }