[PATCH] BACKPORT: FROMLIST: drm/mediatek: fix returnvar.cocci warnings

[PATCH] BACKPORT: FROMLIST: drm/mediatek: fix returnvar.cocci warnings

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
TO: cros-kernel-buildreports(a)googlegroups.com
TO: Guenter Roeck <groeck@google.com>

From: kernel test robot <lkp@intel.com>

drivers/gpu/drm/mediatek/mtk_dp.c:2165:5-8: Unneeded variable: "ret". Return "0" on line 2204


 Remove unneeded variable used to store return value.

Generated by: scripts/coccinelle/misc/returnvar.cocci

CC: Jitao Shi <jitao.shi@mediatek.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10
head:   3246f4ed0d71058d829b29bccc2454d305bec8ea
commit: 9fc1f39630d4af841f63428a2cc6cdf6834c1865 [56/90] BACKPORT: FROMLIST: drm/mediatek: Add mt8195 DisplayPort driver
:::::: branch date: 10 days ago
:::::: commit date: 10 days ago

 mtk_dp.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/gpu/drm/mediatek/mtk_dp.c
+++ b/drivers/gpu/drm/mediatek/mtk_dp.c
@@ -2162,8 +2162,6 @@ static void mtk_dp_video_config(struct m
 
 static int mtk_dp_state_handler(struct mtk_dp *mtk_dp)
 {
-	int ret = 0;
-
 	switch (mtk_dp->state) {
 	case MTK_DP_STATE_INITIAL:
 		mtk_dp_video_mute(mtk_dp, true);
@@ -2201,7 +2199,7 @@ static int mtk_dp_state_handler(struct m
 		break;
 	}
 
-	return ret;
+	return 0;
 }
 
 static void mtk_dp_init_port(struct mtk_dp *mtk_dp)