diff options
Diffstat (limited to 'net/can/isotp.c')
| -rw-r--r-- | net/can/isotp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/can/isotp.c b/net/can/isotp.c index 09f781b63d66..7839c3b9e5be 100644 --- a/net/can/isotp.c +++ b/net/can/isotp.c @@ -1173,6 +1173,9 @@ static int isotp_setsockopt(struct socket *sock, int level, int optname, if (level != SOL_CAN_ISOTP) return -EINVAL; + if (so->bound) + return -EISCONN; + switch (optname) { case CAN_ISOTP_OPTS: if (optlen != sizeof(struct can_isotp_options)) |