From 6c7906efaa2e6e69fa4302024f3ed6cf3f4fbf80 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 18 Nov 2016 09:30:24 -0200
Subject: [PATCH] staging: media: davinci_vpfe: unlock on error in
 vpfe_reqbufs()

commit c4a407b91f4b644145492e28723f9f880efb1da0 upstream.

We should unlock before returning this error code in vpfe_reqbufs().

Fixes: 622897da67b3 ("[media] davinci: vpfe: add v4l2 video driver support")

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 drivers/staging/media/davinci_vpfe/vpfe_video.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index d95c427043d4..3c1d1401522f 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -1351,7 +1351,7 @@ static int vpfe_reqbufs(struct file *file, void *priv,
 	if (ret) {
 		v4l2_err(&vpfe_dev->v4l2_dev, "vb2_queue_init() failed\n");
 		vb2_dma_contig_cleanup_ctx(vpfe_dev->pdev);
-		return ret;
+		goto unlock_out;
 	}
 
 	fh->io_allowed = 1;