[PATCH] drm/i915/selftests: Fix error return code in live_parallel_switch()

[Ziyang Xuan]

In live_parallel_switch(), excute intel_context_create() failed,
the error code should be set before return from error handling path.

Fixes: 50d16d44cce4 ("drm/i915/selftests: Exercise context switching in 
parallel")
Signed-off-by: Ziyang Xuan <william.xuanziy...@huawei.com>
---
 drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c 
b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index c6ad67b90e8a..960ad65e5300 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -335,8 +335,10 @@ static int live_parallel_switch(void *arg)
                                continue;
 
                        ce = intel_context_create(data[m].ce[0]->engine);
-                       if (IS_ERR(ce))
+                       if (IS_ERR(ce)) {
+                               err = PTR_ERR(ce);
                                goto out;
+                       }
 
                        err = intel_context_pin(ce);
                        if (err) {
-- 
2.25.1