[PATCH] drm/gem: remove redundant NULL check

[Jiapeng Zhong]

Fix below warnings reported by coccicheck:
./drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c:80:2-8: WARNING: NULL
check before some freeing functions is not needed.
./drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c:612:2-8: WARNING: NULL
check before some freeing functions is not needed.

Reported-by: Abaci Robot <ab...@linux.alibaba.com>
Signed-off-by: Jiapeng Zhong <abaci-bug...@linux.alibaba.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c  |  3 +--
 drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 12 ++++--------
 2 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c 
b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index d9bd832..c402d424 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -80,8 +80,7 @@ static void etnaviv_gem_prime_release(struct 
etnaviv_gem_object *etnaviv_obj)
        /* Don't drop the pages for imported dmabuf, as they are not
         * ours, just free the array we allocated:
         */
-       if (etnaviv_obj->pages)
-               kvfree(etnaviv_obj->pages);
+       kvfree(etnaviv_obj->pages);
 
        drm_prime_gem_destroy(&etnaviv_obj->base, etnaviv_obj->sgt);
 }
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;
 }
-- 
1.8.3.1