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authorZhang Xiaoxu <zhangxiaoxu5@huawei.com>2020-11-16 09:35:40 -0500
committerChris Wilson <chris@chris-wilson.co.uk>2020-11-16 16:32:18 +0000
commit19384452052a1e0525e663bfbdd62ac1399bb647 (patch)
tree8d1b51f4b1ef36d504b60025d001b494732e7758 /drivers/gpu/drm/i915/selftests
parent01d708840c26c9532579677eaca942363a009fd5 (diff)
drm/i915/selftests: Fix wrong return value of perf_request_latency()
If intel context create failed, the perf_request_latency() will return 0 rather than error, because we doesn't initialize the return value. Fixes: 25c26f18ea79 ("drm/i915/selftests: Measure dispatch latency") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20201116143540.3648870-1-zhangxiaoxu5@huawei.com
Diffstat (limited to 'drivers/gpu/drm/i915/selftests')
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_request.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
index 480b3da4d8a6..e424a6d1a68c 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -2293,8 +2293,10 @@ static int perf_request_latency(void *arg)
struct intel_context *ce;
ce = intel_context_create(engine);
- if (IS_ERR(ce))
+ if (IS_ERR(ce)) {
+ err = PTR_ERR(ce);
goto out;
+ }
err = intel_context_pin(ce);
if (err) {