[PATCH 3/3] i915-pmu: Add extra check NULL
From: Denis Arefev
Date: Tue Aug 16 2022 - 06:27:14 EST
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Denis Arefev <arefev@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_pmu.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 34a7f0ef1f67..33db49ffac3d 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -704,8 +704,7 @@ static void i915_pmu_disable(struct perf_event *event)
* Decrement the reference count and clear the enabled
* bitmask when the last listener on an event goes away.
*/
- if(engine != NULL)
- {
+ if (engine != NULL) {
if (--engine->pmu.enable_count[sample] == 0)
engine->pmu.enable &= ~BIT(sample);
}
--
2.25.1