diff options
| -rw-r--r-- | net/can/raw.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/net/can/raw.c b/net/can/raw.c index 201cbfc6b9e..69877b8e7e9 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -435,15 +435,13 @@ static int raw_setsockopt(struct socket *sock, int level, int optname, if (!filter) return -ENOMEM; - err = copy_from_user(filter, optval, optlen); - if (err) { + if (copy_from_user(filter, optval, optlen)) { kfree(filter); - return err; + return -EFAULT; } } else if (count == 1) { - err = copy_from_user(&sfilter, optval, optlen); - if (err) - return err; + if (copy_from_user(&sfilter, optval, optlen)) + return -EFAULT; } lock_sock(sk); @@ -493,9 +491,8 @@ static int raw_setsockopt(struct socket *sock, int level, int optname, if (optlen != sizeof(err_mask)) return -EINVAL; - err = copy_from_user(&err_mask, optval, optlen); - if (err) - return err; + if (copy_from_user(&err_mask, optval, optlen)) + return -EFAULT; err_mask &= CAN_ERR_MASK; @@ -531,7 +528,8 @@ static int raw_setsockopt(struct socket *sock, int level, int optname, if (optlen != sizeof(ro->loopback)) return -EINVAL; - err = copy_from_user(&ro->loopback, optval, optlen); + if (copy_from_user(&ro->loopback, optval, optlen)) + return -EFAULT; break; @@ -539,7 +537,8 @@ static int raw_setsockopt(struct socket *sock, int level, int optname, if (optlen != sizeof(ro->recv_own_msgs)) return -EINVAL; - err = copy_from_user(&ro->recv_own_msgs, optval, optlen); + if (copy_from_user(&ro->recv_own_msgs, optval, optlen)) + return -EFAULT; break; |