[X.25]: Add missing sock_put in x25_receive_data

__x25_find_socket does a sock_hold.
This adds a missing sock_put in x25_receive_data.

Signed-off-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
1 file changed