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drm/exynos/ipp: remove useless registration checks 

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

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Andrzej Hajda 2014-07-03 15:10:33 +02:00 committed by Inki Dae
parent fb5ee01cfd
commit 5ece5a1da1
1 changed files with 0 additions and 6 deletions
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6
drivers/gpu/drm/exynos/exynos_drm_ipp.c
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@ -129,9 +129,6 @@ void exynos_platform_device_ipp_unregister(void)
int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv) int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv)
{ {
if (!ippdrv)
return -EINVAL;
mutex_lock(&exynos_drm_ippdrv_lock); mutex_lock(&exynos_drm_ippdrv_lock);
list_add_tail(&ippdrv->drv_list, &exynos_drm_ippdrv_list); list_add_tail(&ippdrv->drv_list, &exynos_drm_ippdrv_list);
mutex_unlock(&exynos_drm_ippdrv_lock); 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) int exynos_drm_ippdrv_unregister(struct exynos_drm_ippdrv *ippdrv)
{ {
if (!ippdrv)
return -EINVAL;
mutex_lock(&exynos_drm_ippdrv_lock); mutex_lock(&exynos_drm_ippdrv_lock);
list_del(&ippdrv->drv_list); list_del(&ippdrv->drv_list);
mutex_unlock(&exynos_drm_ippdrv_lock); mutex_unlock(&exynos_drm_ippdrv_lock);