From 40dc23aa82d51147a24f659a7c006ae4bb14009a Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Tue, 24 Jul 2012 13:43:48 +0100
Subject: [PATCH] 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>
---
 drivers/video/tmiofb.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/video/tmiofb.c b/drivers/video/tmiofb.c
index 8e4a446b5ed1..b244f060f151 100644
--- 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);