diff options
| -rw-r--r-- | net/core/sock.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 71fc7e4ddd06..5b55bc9397f2 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -609,8 +609,7 @@ int sock_bindtoindex(struct sock *sk, int ifindex, bool lock_sk) } EXPORT_SYMBOL(sock_bindtoindex); -static int sock_setbindtodevice(struct sock *sk, char __user *optval, - int optlen) +static int sock_setbindtodevice(struct sock *sk, sockptr_t optval, int optlen) { int ret = -ENOPROTOOPT; #ifdef CONFIG_NETDEVICES @@ -632,7 +631,7 @@ static int sock_setbindtodevice(struct sock *sk, char __user *optval, memset(devname, 0, sizeof(devname)); ret = -EFAULT; - if (copy_from_user(devname, optval, optlen)) + if (copy_from_sockptr(devname, optval, optlen)) goto out; index = 0; @@ -840,7 +839,7 @@ int sock_setsockopt(struct socket *sock, int level, int optname, */ if (optname == SO_BINDTODEVICE) - return sock_setbindtodevice(sk, optval, optlen); + return sock_setbindtodevice(sk, USER_SOCKPTR(optval), optlen); if (optlen < sizeof(int)) return -EINVAL; |