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

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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>
This commit is contained in:
Marc Kleine-Budde 2017-07-30 23:51:01 +02:00
parent 2ef5e75706
commit adb552c319
1 changed files with 2 additions and 0 deletions
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2
net/can/raw.c
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@ -401,6 +401,8 @@ static int raw_bind(struct socket *sock, struct sockaddr *uaddr, int len)
if (len < sizeof(*addr)) if (len < sizeof(*addr))
return -EINVAL; return -EINVAL;
if (addr->can_family != AF_CAN)
return -EINVAL;
lock_sock(sk); lock_sock(sk);