From: Damian Kos Date: Mon, 19 Nov 2018 15:14:14 +0000 (+0000) Subject: drm/rockchip: fix for mailbox read validation. X-Git-Tag: microblaze-v5.4-rc1~229^2~30^2~497 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=e4056bbb6719fe713bfc4030ac78e8e97ddf7574;p=linux-2.6-microblaze.git drm/rockchip: fix for mailbox read validation. 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 --- diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c index 5a485489a1e2..6c8b14fb1d2f 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];