can: raw: raw_bind(): bail out if can_family is not AF_CAN

Until now CAN raw's bind() doesn't check if the can_familiy in the
struct sockaddr_can is set to AF_CAN. This patch adds the missing check.

Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/net/can/raw.c b/net/can/raw.c
index 864c80dbdb72d11cdd24183cec3769222b339ccc..f2ecc43376a15993463401770d3ef41ca4cc3a33 100644 (file)
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -401,6 +401,8 @@ static int raw_bind(struct socket *sock, struct sockaddr *uaddr, int len)
 
        if (len < sizeof(*addr))
                return -EINVAL;
+       if (addr->can_family != AF_CAN)
+               return -EINVAL;
 
        lock_sock(sk);