The patch
791ff39ae32a: "drm/i915: Live testing for context
execution" from Feb 13, 2017, leads to the following static checker
warning:
drivers/gpu/drm/i915/selftests/i915_gem_context.c:347 igt_ctx_exec()
error: 'file' dereferencing possible ERR_PTR()
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes:
791ff39ae32a ("drm/i915: Live testing for context execution")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: <drm-intel-fixes@lists.freedesktop.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170313124724.10614-1-chris@chris-wilson.co.uk
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
static int igt_ctx_exec(void *arg)
{
struct drm_i915_private *i915 = arg;
- struct drm_file *file = mock_file(i915);
struct drm_i915_gem_object *obj;
+ struct drm_file *file;
IGT_TIMEOUT(end_time);
LIST_HEAD(objects);
unsigned long ncontexts, ndwords, dw;
* up in the expected pages of our obj.
*/
+ file = mock_file(i915);
+ if (IS_ERR(file))
+ return PTR_ERR(file);
+
mutex_lock(&i915->drm.struct_mutex);
ncontexts = 0;