When kcalloc() returns NULL to tsk or thread, no error code of
igt_threaded_blt() is returned.
To fix this bug, -ENOMEM is returned as error code.
Fixes: 0e99f939f08f ("drm/i915/selftests/blt: add some kthreads into the mix")
Reported-by: TOTE Robot <oslab@xxxxxxxxxxxxxxx>
Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxxxx>
---
drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
index 23b6e11bbc3e..b54ba8a1fcec 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c
@@ -471,11 +471,13 @@ static int igt_threaded_blt(struct intel_engine_cs *engine,
tsk = kcalloc(n_cpus, sizeof(struct task_struct *), GFP_KERNEL);
if (!tsk)
- return 0;
+ return -ENOMEM;
thread = kcalloc(n_cpus, sizeof(struct igt_thread_arg), GFP_KERNEL);
- if (!thread)
+ if (!thread) {
+ err = -ENOMEM;
goto out_tsk;
+ }
thread[0].file = mock_file(engine->i915);
if (IS_ERR(thread[0].file)) {
--
2.17.1
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