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USB: serial: cyberjack: fix NULL-deref at open
[pandora-kernel.git]
/
drivers
/
usb
/
serial
/
cyberjack.c
diff --git
a/drivers/usb/serial/cyberjack.c
b/drivers/usb/serial/cyberjack.c
index
f744ab7
..
2cf8587
100644
(file)
--- a/
drivers/usb/serial/cyberjack.c
+++ b/
drivers/usb/serial/cyberjack.c
@@
-122,6
+122,9
@@
static int cyberjack_startup(struct usb_serial *serial)
dbg("%s", __func__);
+ if (serial->num_bulk_out < serial->num_ports)
+ return -ENODEV;
+
/* allocate the private data structure */
priv = kmalloc(sizeof(struct cyberjack_private), GFP_KERNEL);
if (!priv)