[PATCH 1/4] GPU-DRM-Etnaviv: Delete unnecessary checks before two function calls

From: SF Markus Elfring
Date: Fri Jul 22 2016 - 11:47:33 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 22 Jul 2016 15:56:15 +0200

The functions drm_gem_object_unreference_unlocked() and vunmap() perform
also input parameter validation.
Thus the tests around their calls are not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/etnaviv/etnaviv_gem.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index 8c6f750..8eee742 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -535,8 +535,7 @@ void etnaviv_gem_describe_objects(struct etnaviv_drm_private *priv,

static void etnaviv_gem_shmem_release(struct etnaviv_gem_object *etnaviv_obj)
{
- if (etnaviv_obj->vaddr)
- vunmap(etnaviv_obj->vaddr);
+ vunmap(etnaviv_obj->vaddr);
put_pages(etnaviv_obj);
}

@@ -670,9 +669,7 @@ static struct drm_gem_object *__etnaviv_gem_new(struct drm_device *dev,
return obj;

fail:
- if (obj)
- drm_gem_object_unreference_unlocked(obj);
-
+ drm_gem_object_unreference_unlocked(obj);
return ERR_PTR(ret);
}

--
2.9.2