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 @@
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;