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 99d6cfb168b5df9c08706499efe6a38b5f4ea35a..6c542d0ca076e8f3a31988de6486eb5aded24844 100644 (file)
--- a/drivers/video/fbdev/au1200fb.c
+++ b/drivers/video/fbdev/au1200fb.c
@@ -1681,8 +1681,10 @@ 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;