From b37ea8bff730aca844fb3bd202af2108476245fd Mon Sep 17 00:00:00 2001

From: Bo YU <tsu.yubo@gmail.com>

Date: Sat, 18 Jan 2020 16:06:28 +0800

Subject: [PATCH] drm/drm_dp_mst:remove set but not used variable 'origlen'

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Git-commit: b37ea8bff730aca844fb3bd202af2108476245fd

Patch-mainline: v5.7-rc1

References: bsc#1051510

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/drm_dp_mst_topology.c:3693:16: warning: variable

‘origlen’ set but not used [-Wunused-but-set-variable]

  int replylen, origlen, curreply;

It looks like never use variable origlen after assign value to it.

Fixes: ad7f8a1f9ced ("drm/helper: add Displayport multi-stream helper (v0.6)")

Signed-off-by: Bo YU <tsu.yubo@gmail.com>

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Link: https://patchwork.freedesktop.org/patch/msgid/20200118080628.mxcx7bfwdas5m7un@kaowomen.cn

Acked-by: Takashi Iwai <tiwai@suse.de>

---

 drivers/gpu/drm/drm_dp_mst_topology.c | 3 +--

 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c

index f45e36f04ca9..80f758025c4c 100644

--- a/drivers/gpu/drm/drm_dp_mst_topology.c

+++ b/drivers/gpu/drm/drm_dp_mst_topology.c

@@ -3639,7 +3639,7 @@ static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up)

 {

 	int len;

 	u8 replyblock[32];

-	int replylen, origlen, curreply;

+	int replylen, curreply;

 	int ret;

 	struct drm_dp_sideband_msg_rx *msg;

 	int basereg = up ? DP_SIDEBAND_MSG_UP_REQ_BASE : DP_SIDEBAND_MSG_DOWN_REP_BASE;

@@ -3659,7 +3659,6 @@ static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up)

 	}

 	replylen = msg->curchunk_len + msg->curchunk_hdrlen;

-	origlen = replylen;

 	replylen -= len;

 	curreply = len;

 	while (replylen > 0) {

-- 

2.16.4