From: Jiri Slaby <jslaby@suse.cz>
Date: Tue, 27 Apr 2010 21:11:20 +0000 (-0300)
Subject: V4L/DVB: dvb-usb: gp8psk, fix potential null derefernce
X-Git-Tag: v2.6.35-rc1~480^2~75
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=205161ed03b53c467dd669a340ea704ce0fb6f9e;p=profile%2Fcommon%2Fkernel-common.git

V4L/DVB: dvb-usb: gp8psk, fix potential null derefernce

Stanse found that in gp8psk_load_bcm4500fw there is missing a check for
return value of kmalloc. Add one and bail out appropriatelly.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/dvb/dvb-usb/gp8psk.c b/drivers/media/dvb/dvb-usb/gp8psk.c
index afb444d..45106ac 100644
--- a/drivers/media/dvb/dvb-usb/gp8psk.c
+++ b/drivers/media/dvb/dvb-usb/gp8psk.c
@@ -105,6 +105,10 @@ static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d)
 
 	ptr = fw->data;
 	buf = kmalloc(64, GFP_KERNEL | GFP_DMA);
+	if (!buf) {
+		ret = -ENOMEM;
+		goto out_rel_fw;
+	}
 
 	while (ptr[0] != 0xff) {
 		u16 buflen = ptr[0] + 4;