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>
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c
index aec7a19..ef9b7be 100644
--- a/drivers/media/dvb/dvb-usb/m920x.c
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -337,6 +337,8 @@
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;