[PATCH] drm/i915/selftest: Fix an error code in live_noa_gpr()

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

The error code is not set on this error path.  It's either zero or
uninitialized at this point.

Fixes: ed2690a9ca89 ("drm/i915/selftest: Check that GPR are restored across noa_wait")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/gpu/drm/i915/selftests/i915_perf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/selftests/i915_perf.c b/drivers/gpu/drm/i915/selftests/i915_perf.c
index deb6dec1b5ab..7aa73bb03381 100644
--- a/drivers/gpu/drm/i915/selftests/i915_perf.c
+++ b/drivers/gpu/drm/i915/selftests/i915_perf.c
@@ -329,6 +329,7 @@ static int live_noa_gpr(void *arg)
 	cs = intel_ring_begin(rq, 2 * 32 + 2);
 	if (IS_ERR(cs)) {
 		i915_request_add(rq);
+		err = PTR_ERR(cs);
 		goto out_rq;
 	}
 
-- 
2.27.0