linux-kernel - [PATCH 4.9 157/206] [media] staging: media: davinci_vpfe: unlock on error in vpfe

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Date:   Tue, 10 Jan 2017 14:37:20 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...pensource.com>
Subject: [PATCH 4.9 157/206] [media] staging: media: davinci_vpfe: unlock on error in vpfe_reqbufs()

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@...cle.com>

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@...cle.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@...pensource.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/staging/media/davinci_vpfe/vpfe_video.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -1362,7 +1362,7 @@ static int vpfe_reqbufs(struct file *fil
 	ret = vb2_queue_init(q);
 	if (ret) {
 		v4l2_err(&vpfe_dev->v4l2_dev, "vb2_queue_init() failed\n");
-		return ret;
+		goto unlock_out;
 	}
 
 	fh->io_allowed = 1;