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drm/drm_dp_mst_topology: Remove set but never used variable 'len' 

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@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201116174112.1833368-4-lee.jones@linaro.org
This commit is contained in:
Lee Jones 2020-11-16 17:40:33 +00:00 committed by Daniel Vetter
parent f8ef48ffa9
commit 0e120f1b04
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/drm_dp_mst_topology.c
View File

@ -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);