@@ -59,13 +59,13 @@ static int igt_dmabuf_import_self(void *arg)
err = PTR_ERR(import);
goto out_dmabuf;
}
+ import_obj = to_intel_bo(import);
if (import != &obj->base) {
pr_err("i915_gem_prime_import created a new object!\n");
err = -EINVAL;
goto out_import;
}
- import_obj = to_intel_bo(import);
i915_gem_object_lock(import_obj, NULL);
err = __i915_gem_object_get_pages(import_obj);
@@ -176,6 +176,7 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915,
err = PTR_ERR(import);
goto out_dmabuf;
}
+ import_obj = to_intel_bo(import);
if (import == &obj->base) {
pr_err("i915_gem_prime_import reused gem object!\n");
@@ -183,8 +184,6 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915,
goto out_import;
}
- import_obj = to_intel_bo(import);
-
i915_gem_object_lock(import_obj, NULL);
err = __i915_gem_object_get_pages(import_obj);
if (err) {
Clang warns a couple of times: drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:63:6: warning: variable 'import_obj' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] if (import != &obj->base) { ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:80:22: note: uninitialized use occurs here i915_gem_object_put(import_obj); ^~~~~~~~~~ drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:63:2: note: remove the 'if' if its condition is always false if (import != &obj->base) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c:38:46: note: initialize the variable 'import_obj' to silence this warning struct drm_i915_gem_object *obj, *import_obj; ^ = NULL Shuffle the import_obj initialization above these if statements so that it is not used uninitialized. Fixes: d7b2cb380b3a ("drm/i915/gem: Correct the locking and pin pattern for dma-buf (v8)") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Nathan Chancellor <nathan@kernel.org> --- drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)