drm/msm: fix returnvar.cocci warning

Fix the following coccicheck warning:
drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c:24:5-8: Unneeded variable:
"ret". Return "0" on line 75.

Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/483328/
Link: https://lore.kernel.org/r/20220425122223.7415-1-guozhengkui@vivo.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
index 25121662413cb4b1469d480f5a3d466441189cb2..fb48c8c19ec3aa05b465ff2004555dedc759955f 100644 (file)
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
@@ -21,7 +21,6 @@ static int mdp4_hw_init(struct msm_kms *kms)
        struct drm_device *dev = mdp4_kms->dev;
        u32 dmap_cfg, vg_cfg;
        unsigned long clk;
-       int ret = 0;
 
        pm_runtime_get_sync(dev->dev);
 
@@ -72,7 +71,7 @@ static int mdp4_hw_init(struct msm_kms *kms)
 
        pm_runtime_put_sync(dev->dev);
 
-       return ret;
+       return 0;
 }
 
 static void mdp4_enable_commit(struct msm_kms *kms)