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authorRoel Kluin <roel.kluin@gmail.com>2009-09-18 20:09:52 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-19 00:53:10 -0300
commit1601fb14980b1295e00087460d57256a87f334bf (patch)
tree0ecd9c2695f83fcf3149e0bddc348000278f4f2c /drivers/media
parent34e383dd13edf402e87bf0a87f4a19b193b4bd7a (diff)
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>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/dvb/dvb-usb/m920x.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c
index aec7a1943b6..ef9b7bed13f 100644
--- a/drivers/media/dvb/dvb-usb/m920x.c
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -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;