drm/amd/amdgpu : Fix NULL pointer comparison

Replace direct comparisons to NULL i.e.
'x == NULL' with '!x'. As per coding standard.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Ravikant B Sharma <ravikant.s2@samsung.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
index 34a795463988..de9f919ae336 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
@@ -327,9 +327,8 @@ int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
                 return -EINVAL;
 
         *sa_bo = kmalloc(sizeof(struct amdgpu_sa_bo), GFP_KERNEL);
-        if ((*sa_bo) == NULL) {
+        if (!(*sa_bo))
                 return -ENOMEM;
-        }
         (*sa_bo)->manager = sa_manager;
         (*sa_bo)->fence = NULL;
         INIT_LIST_HEAD(&(*sa_bo)->olist);