video: fbdev: pxafb: fix out of memory error path

As seen by Julia, the initial allocation memory is not checked anymore
after commit "video: fbdev: pxafb: initial devicetree conversion".
Introduce back the removed test.

Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c
index 987eb8c..33b2bb3 100644 (file)
--- a/drivers/video/fbdev/pxafb.c
+++ b/drivers/video/fbdev/pxafb.c
@@ -2249,6 +2249,8 @@ static int pxafb_probe(struct platform_device *dev)
        ret = -ENOMEM;
        pdata = dev_get_platdata(&dev->dev);
        inf = devm_kmalloc(&dev->dev, sizeof(*inf), GFP_KERNEL);
+       if (!inf)
+               goto failed;
 
        if (pdata) {
                *inf = *pdata;