[PATCH] drm/etnaviv: fix coccicheck by ifnullfree.cocci

[Tian Tao]

Fixes coccicheck warning:
./drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c:616:2-8: WARNING: NULL check before some
freeing functions is not needed.
./drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c:618:2-8: WARNING: NULL check before some
freeing functions is not needed.
./drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c:620:2-8: WARNING: NULL check before some
freeing functions is not needed.
./drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c:622:2-8: WARNING: NULL check before some
freeing functions is not needed.

Signed-off-by: Tian Tao <tiantao6 at hisilicon.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index d05c359..bd0d66e 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -612,14 +612,10 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
 err_submit_cmds:
 	if (ret && (out_fence_fd >= 0))
 		put_unused_fd(out_fence_fd);
-	if (stream)
-		kvfree(stream);
-	if (bos)
-		kvfree(bos);
-	if (relocs)
-		kvfree(relocs);
-	if (pmrs)
-		kvfree(pmrs);
+	kvfree(stream);
+	kvfree(bos);
+	kvfree(relocs);
+	kvfree(pmrs);
 
 	return ret;
 }
-- 
2.7.4