[PATCH 33/40] drm/drm_dp_mst_topology: Remove set but never used variable 'len'

From: Lee Jones
Date: Fri Nov 13 2020 - 08:51:31 EST


Fixes the following W=1 kernel build warning(s):

drivers/gpu/drm/drm_dp_mst_topology.c: In function ‘drm_dp_send_query_stream_enc_status’:
drivers/gpu/drm/drm_dp_mst_topology.c:3263:6: warning: variable ‘len’ set but not used [-Wunused-but-set-variable]

Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Cc: Maxime Ripard <mripard@xxxxxxxxxx>
Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/gpu/drm/drm_dp_mst_topology.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index e875425336406..0401b2f475002 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -3260,7 +3260,7 @@ int drm_dp_send_query_stream_enc_status(struct drm_dp_mst_topology_mgr *mgr,
{
struct drm_dp_sideband_msg_tx *txmsg;
u8 nonce[7];
- int len, ret;
+ int ret;

txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL);
if (!txmsg)
@@ -3281,7 +3281,7 @@ int drm_dp_send_query_stream_enc_status(struct drm_dp_mst_topology_mgr *mgr,
*/
txmsg->dst = mgr->mst_primary;

- len = build_query_stream_enc_status(txmsg, port->vcpi.vcpi, nonce);
+ build_query_stream_enc_status(txmsg, port->vcpi.vcpi, nonce);

drm_dp_queue_down_tx(mgr, txmsg);

--
2.25.1