tmiofb: missing NULL pointer checks

Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=44471 Reported-by: <rucsoftsec@gmail.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
git-mirror · Sep 1, 2012 · 40dc23a · 40dc23a
1 parent 3fd44cd
commit 40dc23a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/video/tmiofb.c b/drivers/video/tmiofb.c
@@ -694,6 +694,10 @@ static int __devinit tmiofb_probe(struct platform_device *dev)
 		dev_err(&dev->dev, "NULL platform data!\n");
 		return -EINVAL;
 	}
+	if (ccr == NULL || lcr == NULL || vram == NULL || irq < 0) {
+		dev_err(&dev->dev, "missing resources\n");
+		return -EINVAL;
+	}
 
 	info = framebuffer_alloc(sizeof(struct tmiofb_par), &dev->dev);