[PATCH] drm: xlnx: zynqmp: fix a memset in zynqmp_dp_train()

[Dan Carpenter]

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: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem")
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
---
 drivers/gpu/drm/xlnx/zynqmp_dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
index 99158ee67d02..59d1fb017da0 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
@@ -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;
-- 
2.30.2