drm/rockchip: fix for mailbox read validation.

[ Upstream commit e4056bbb67 ]

This is basically the same fix as in
commit fa68d4f847 ("drm/rockchip: fix for mailbox read size")
but for cdn_dp_mailbox_validate_receive function.

See patchwork.kernel.org/patch/10671981/ for details.

Signed-off-by: Damian Kos <dkos@cadence.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/1542640463-18332-1-git-send-email-dkos@cadence.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Damian Kos 2018-11-19 15:14:14 +00:00 committed by Greg Kroah-Hartman
parent 1832b1517c
commit 416699b9bb

View file

@ -113,7 +113,7 @@ static int cdp_dp_mailbox_write(struct cdn_dp_device *dp, u8 val)
static int cdn_dp_mailbox_validate_receive(struct cdn_dp_device *dp,
u8 module_id, u8 opcode,
u8 req_size)
u16 req_size)
{
u32 mbox_size, i;
u8 header[4];