On Sat, Jan 18, 2020 at 04:06:28PM +0800, Bo YU wrote:

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: ad7f8a1f9ced7 (drm/helper: add Displayport multi-stream helper (v0.6)) Signed-off-by: Bo YU tsu.yubo@gmail.com

Queued in drm-misc-next, thanks for your patch. -Daniel

---

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 4b74193b89ce..4c76e673206b 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -3690,7 +3690,7 @@ 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;

@@ -3710,7 +3710,6 @@ 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) {

-- 2.11.0