Commit 1601fb14 authored Sep 18, 2009 by Roel Kluin Committed by Mauro Carvalho Chehab Sep 19, 2009

V4L/DVB (13015): kmalloc failure ignored in m920x_firmware_download()



Prevent NULL dereference if kmalloc() fails.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

parent 34e383dd

drivers/media/dvb/dvb-usb/m920x.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -337,6 +337,8 @@ static int m920x_firmware_download(struct usb_device *udev, const struct firmwar
		int i, pass, ret = 0;

		buff = kmalloc(65536, GFP_KERNEL);
		if (buff == NULL)
		return -ENOMEM;

		if ((ret = m920x_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0)
		goto done;