From 98fdba74e14c520f856d27103fa0b56d491d9c5e Mon Sep 17 00:00:00 2001 From: Ding Wei Date: Fri, 7 May 2021 16:03:51 +0800 Subject: [PATCH] video: rockchip: mpp: when meet unknown cmd, not return error. reason: when kernel version later than mpp which user space, then it will meet unknow cmd. however, it should not return error, and let it continue instead. Change-Id: I1209c27ef8de98f25b47700bc48dfcff305e0c0e Signed-off-by: Ding Wei --- drivers/video/rockchip/mpp/mpp_common.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/video/rockchip/mpp/mpp_common.c b/drivers/video/rockchip/mpp/mpp_common.c index 76a28014988c..4d42ad53fda7 100644 --- a/drivers/video/rockchip/mpp/mpp_common.c +++ b/drivers/video/rockchip/mpp/mpp_common.c @@ -1110,7 +1110,6 @@ static int mpp_process_request(struct mpp_session *session, return mpp->dev_ops->ioctl(session, req); mpp_debug(DEBUG_IOCTL, "unknown mpp ioctl cmd %x\n", req->cmd); - return -ENOIOCTLCMD; } break; }