[PATCH v2] drm/i915: selftest_lrc: Fix error code in live_preempt_user()

[Dan Carpenter]

This error path should return a negative error code instead of success.

Fixes: c92724de6db1 ("drm/i915/selftests: Try to detect rollback during batchbuffer preemption")
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
---
v2: The first version of the patch fixed some other error paths but
    those have already been fixed.

 drivers/gpu/drm/i915/gt/selftest_lrc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 95d41c01d0e0..e11d6bb26e86 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -3264,8 +3264,10 @@ static int live_preempt_user(void *arg)
 
 			rq = create_gpr_client(engine, global,
 					       NUM_GPR * i * sizeof(u32));
-			if (IS_ERR(rq))
+			if (IS_ERR(rq)) {
+				err = PTR_ERR(rq);
 				goto end_test;
+			}
 
 			client[i] = rq;
 		}
-- 
2.29.2