video: fbdev: au1200fb: Return an error code if a memory allocation fails

[ 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@wanadoo.fr>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c
index 9b8b3c31f605c245ec91c700d3c525ce1768f91c..d68e04ec46deee2bc84a5a82f7b819a9536e00bb 100644 (file)
--- 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;