[PATCH 08/12] drm/exynos/ipp: remove useless registration checks

[Andrzej Hajda]

Argument checks are redundant, clients always check ippdrv before calling
these functions.

Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_ipp.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c 
b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index b7ce14e..26c8a2c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -129,9 +129,6 @@ void exynos_platform_device_ipp_unregister(void)

 int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv)
 {
-       if (!ippdrv)
-               return -EINVAL;
-
        mutex_lock(&exynos_drm_ippdrv_lock);
        list_add_tail(&ippdrv->drv_list, &exynos_drm_ippdrv_list);
        mutex_unlock(&exynos_drm_ippdrv_lock);
@@ -141,9 +138,6 @@ int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv 
*ippdrv)

 int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv)
 {
-       if (!ippdrv)
-               return -EINVAL;
-
        mutex_lock(&exynos_drm_ippdrv_lock);
        list_del(&ippdrv->drv_list);
        mutex_unlock(&exynos_drm_ippdrv_lock);
-- 
1.9.1