diff options
| -rw-r--r-- | net/can/af_can.c | 2 | ||||
| -rw-r--r-- | net/can/isotp.c | 2 | ||||
| -rw-r--r-- | net/can/raw.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/net/can/af_can.c b/net/can/af_can.c index b2387a46794a..770173d8db42 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -221,7 +221,7 @@ int can_send(struct sk_buff *skb, int loop) } /* Make sure the CAN frame can pass the selected CAN netdevice. */ - if (unlikely(skb->len > skb->dev->mtu)) { + if (unlikely(skb->len > READ_ONCE(skb->dev->mtu))) { err = -EMSGSIZE; goto inval_skb; } diff --git a/net/can/isotp.c b/net/can/isotp.c index dee1412b3c9c..74ee1e52249b 100644 --- a/net/can/isotp.c +++ b/net/can/isotp.c @@ -1313,7 +1313,7 @@ static int isotp_bind(struct socket *sock, struct sockaddr *uaddr, int len) err = -ENODEV; goto out; } - if (dev->mtu < so->ll.mtu) { + if (READ_ONCE(dev->mtu) < so->ll.mtu) { dev_put(dev); err = -EINVAL; goto out; diff --git a/net/can/raw.c b/net/can/raw.c index bf65d67b5df0..a53853f5e9af 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -961,7 +961,7 @@ static int raw_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) err = -EINVAL; /* check for valid CAN (CC/FD/XL) frame content */ - txmtu = raw_check_txframe(ro, skb, dev->mtu); + txmtu = raw_check_txframe(ro, skb, READ_ONCE(dev->mtu)); if (!txmtu) goto free_skb; |