From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wang YanQing Date: Mon, 13 Aug 2012 10:02:32 +0000 Subject: [PATCH] video:uvesafb: check the return value of kzalloc Message-Id: <20120813100232.GA16363@udknight> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: FlorianSchandinat@gmx.de Cc: linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, spock@gentoo.org 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 --- drivers/video/uvesafb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index b0e2a42..2f8f82d 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); -- 1.7.11.1.116.g8228a23