From: Wang YanQing <udknight@gmail.com>
Date: Mon, 13 Aug 2012 10:02:32 +0000 (+0800)
Subject: video:uvesafb: check the return value of kzalloc
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7ed25867478fb8d2118eb84b99c1bf21e4ae695c;p=linux-beck.git

video:uvesafb: check the return value of kzalloc

Michal maybe forgot it merely, we should add code
to check the return value of kzalloc to make the
code more robust.

Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
---

diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
index b0e2a4261afe..2f8f82d874a1 100644
--- a/drivers/video/uvesafb.c
+++ b/drivers/video/uvesafb.c
@@ -659,6 +659,8 @@ static int __devinit uvesafb_vbe_getedid(struct uvesafb_ktask *task,
 	task->t.flags = TF_BUF_RET | TF_BUF_ESDI;
 	task->t.buf_len = EDID_LENGTH;
 	task->buf = kzalloc(EDID_LENGTH, GFP_KERNEL);
+	if (!task->buf)
+		return -ENOMEM;
 
 	err = uvesafb_exec(task);