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drm/i915/selftests: Fix wrong return value of perf_request_latency()

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If intel context create failed, the perf_request_latency() will return 0
rather than error, because we doesn't initialize the return value.

Fixes: 25c26f18ea ("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
(cherry picked from commit 19384452052a1e0525e663bfbdd62ac1399bb647)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Zhang Xiaoxu 2020-11-16 09:35:40 -05:00 committed by Rodrigo Vivi
parent 2106edbdfd
commit b5462cc377
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/i915/selftests/i915_request.c
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@ -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) {