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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-03-30 12:31:52 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-14 10:50:26 +0300 |
| commit | a6596d71a63544a6171cd0b9abaed8745ada7c65 (patch) | |
| tree | f3752a2c8c2a5b22c190f63f12cdc369467792d5 | |
| parent | fc076f40c8594442eaae57317236ae27345dfdb5 (diff) | |
| download | linux-a6596d71a63544a6171cd0b9abaed8745ada7c65.tar.xz | |
drm: xlnx: zynqmp: fix a memset in zynqmp_dp_train()
[ Upstream commit 5842ab76bbfadb37eaea91e53c1efe34ae504e4a ]
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@oracle.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/YGLwCBMotnrKZu6P@mwanda
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/xlnx/zynqmp_dp.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |