From: Damian Kos Date: Mon, 19 Nov 2018 15:14:14 +0000 (+0000) Subject: drm/rockchip: fix for mailbox read validation. X-Git-Tag: v4.19.38~85 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=416699b9bb904b265b8ecc3cb5c69e741629abd5;p=platform%2Fkernel%2Flinux-rpi.git drm/rockchip: fix for mailbox read validation. [ Upstream commit e4056bbb6719fe713bfc4030ac78e8e97ddf7574 ] This is basically the same fix as in commit fa68d4f8476b ("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 Signed-off-by: Heiko Stuebner Link: https://patchwork.freedesktop.org/patch/msgid/1542640463-18332-1-git-send-email-dkos@cadence.com Signed-off-by: Sasha Levin --- diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c index 5a48548..6c8b14f 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c @@ -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];