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

[Lee Jones]

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.lankho...@linux.intel.com>
Cc: Maxime Ripard <mrip...@kernel.org>
Cc: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: David Airlie <airl...@linux.ie>
Cc: Daniel Vetter <dan...@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
 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

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