drm/i915/selftests: fix a couple IS_ERR() vs NULL tests

[ Upstream commit 896dcabd1f8f613c533d948df17408c41f8929f5 ]

The shmem_pin_map() function doesn't return error pointers, it returns
NULL.

Fixes: be1cb55a07bf ("drm/i915/gt: Keep a no-frills swappable copy of the default context state")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708094104.GL2316@kadam
(cherry picked from commit d50f5a109cf4ed50c5b575c1bb5fc3bd17b23308)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index b0977a3b699b856cd63336defc0309feff16c6a5..bc2950fbbaf938b36d1eeda824dfe3e64ee4739f 100644 (file)
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -153,8 +153,8 @@ static int live_lrc_layout(void *arg)
                        continue;
 
                hw = shmem_pin_map(engine->default_state);
-               if (IS_ERR(hw)) {
-                       err = PTR_ERR(hw);
+               if (!hw) {
+                       err = -ENOMEM;
                        break;
                }
                hw += LRC_STATE_OFFSET / sizeof(*hw);
@@ -329,8 +329,8 @@ static int live_lrc_fixed(void *arg)
                        continue;
 
                hw = shmem_pin_map(engine->default_state);
-               if (IS_ERR(hw)) {
-                       err = PTR_ERR(hw);
+               if (!hw) {
+                       err = -ENOMEM;
                        break;
                }
                hw += LRC_STATE_OFFSET / sizeof(*hw);