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Date:   Thu, 7 Dec 2017 15:50:25 +0000
From:   alexander.levin@...izon.com
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Cc:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Tejun Heo <tj@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        alexander.levin@...izon.com
Subject: [PATCH AUTOSEL for 4.4 055/101] video: fbdev: au1200fb: Return an
 error code if a memory allocation fails

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>

[ Upstream commit 8cae353e6b01ac3f18097f631cdbceb5ff28c7f3 ]

'ret' is known to be 0 at this point.
In case of memory allocation error in 'framebuffer_alloc()', return
-ENOMEM instead.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: Tejun Heo <tj@...nel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
---
 drivers/video/fbdev/au1200fb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c
index e5897fce3c03..789d3f16ff9f 100644
--- a/drivers/video/fbdev/au1200fb.c
+++ b/drivers/video/fbdev/au1200fb.c
@@ -1680,8 +1680,10 @@ static int au1200fb_drv_probe(struct platform_device *dev)
 
 		fbi = framebuffer_alloc(sizeof(struct au1200fb_device),
 					&dev->dev);
-		if (!fbi)
+		if (!fbi) {
+			ret = -ENOMEM;
 			goto failed;
+		}
 
 		_au1200fb_infos[plane] = fbi;
 		fbdev = fbi->par;
-- 
2.11.0

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