From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 13 Apr 2017 19:52:17 +0000 (+0300)
Subject: drm/i915: checking for NULL instead of IS_ERR() in mock selftests
X-Git-Tag: v4.14-rc1~674^2~4^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5af9e672b84f006695b820f791f2eceecca59bbc;p=platform%2Fkernel%2Flinux-rpi.git

drm/i915: checking for NULL instead of IS_ERR() in mock selftests

i915_gem_request_alloc() uses error pointers.  It never returns NULLs.

Fixes: 0daf0113cff6 ("drm/i915: Mock infrastructure for request emission")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170413195217.GA26108@mwanda
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit be02f7556447a0dee672acb5e462f03377b98ae8)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---

diff --git a/drivers/gpu/drm/i915/selftests/mock_request.c b/drivers/gpu/drm/i915/selftests/mock_request.c
index 0e8d2e7..8097e36 100644
--- a/drivers/gpu/drm/i915/selftests/mock_request.c
+++ b/drivers/gpu/drm/i915/selftests/mock_request.c
@@ -35,7 +35,7 @@ mock_request(struct intel_engine_cs *engine,
 
 	/* NB the i915->requests slab cache is enlarged to fit mock_request */
 	request = i915_gem_request_alloc(engine, context);
-	if (!request)
+	if (IS_ERR(request))
 		return NULL;
 
 	mock = container_of(request, typeof(*mock), base);