Commit 5842ab76 authored by Dan Carpenter's avatar Dan Carpenter Committed by Daniel Vetter
Browse files

drm: xlnx: zynqmp: fix a memset in zynqmp_dp_train() 



The dp->train_set[] for this driver is only two characters, not four so
this memsets too much.  Fortunately, this ends up corrupting a struct
hole and not anything important.

Fixes: d76271d2 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarMichal Simek <michal.simek@xilinx.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/YGLwCBMotnrKZu6P@mwanda
parent be54ffe0

drivers/gpu/drm/xlnx/zynqmp_dp.c

+1 −1
Original line number Diff line number Diff line
@@ -866,7 +866,7 @@ static int zynqmp_dp_train(struct zynqmp_dp *dp) 
		return ret;



	zynqmp_dp_write(dp, ZYNQMP_DP_SCRAMBLING_DISABLE, 1);

	memset(dp->train_set, 0, 4);

	memset(dp->train_set, 0, sizeof(dp->train_set));

	ret = zynqmp_dp_link_train_cr(dp);

	if (ret)

		return ret;