[PATCH] GPU-DRM-Exynos: Delete an unnecessary check before the function call "vunmap"

From: SF Markus Elfring
Date: Thu Jul 21 2016 - 13:43:39 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 21 Jul 2016 19:23:25 +0200

The vunmap() function performs also input parameter validation.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index dd09117..4cfb39d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -269,8 +269,7 @@ static void exynos_drm_fbdev_destroy(struct drm_device *dev,
struct exynos_drm_gem *exynos_gem = exynos_fbd->exynos_gem;
struct drm_framebuffer *fb;

- if (exynos_gem->kvaddr)
- vunmap(exynos_gem->kvaddr);
+ vunmap(exynos_gem->kvaddr);

/* release drm framebuffer and real buffer */
if (fb_helper->fb && fb_helper->fb->funcs) {
--
2.9.2