diff options
Diffstat (limited to 'net/unix/af_unix.c')
| -rw-r--r-- | net/unix/af_unix.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 01625ccc3ae6..29fc8bee9702 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -80,6 +80,8 @@ * with BSD names. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/kernel.h> #include <linux/signal.h> @@ -366,7 +368,7 @@ static void unix_sock_destructor(struct sock *sk) WARN_ON(!sk_unhashed(sk)); WARN_ON(sk->sk_socket); if (!sock_flag(sk, SOCK_DEAD)) { - printk(KERN_INFO "Attempt to release alive unix socket: %p\n", sk); + pr_info("Attempt to release alive unix socket: %p\n", sk); return; } @@ -378,7 +380,7 @@ static void unix_sock_destructor(struct sock *sk) sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); local_bh_enable(); #ifdef UNIX_REFCNT_DEBUG - printk(KERN_DEBUG "UNIX %p is destroyed, %ld are still alive.\n", sk, + pr_debug("UNIX %p is destroyed, %ld are still alive.\n", sk, atomic_long_read(&unix_nr_socks)); #endif } @@ -530,13 +532,17 @@ static int unix_seqpacket_sendmsg(struct kiocb *, struct socket *, static int unix_seqpacket_recvmsg(struct kiocb *, struct socket *, struct msghdr *, size_t, int); -static void unix_set_peek_off(struct sock *sk, int val) +static int unix_set_peek_off(struct sock *sk, int val) { struct unix_sock *u = unix_sk(sk); - mutex_lock(&u->readlock); + if (mutex_lock_interruptible(&u->readlock)) + return -EINTR; + sk->sk_peek_off = val; mutex_unlock(&u->readlock); + + return 0; } @@ -714,7 +720,9 @@ static int unix_autobind(struct socket *sock) int err; unsigned int retries = 0; - mutex_lock(&u->readlock); + err = mutex_lock_interruptible(&u->readlock); + if (err) + return err; err = 0; if (u->addr) @@ -873,7 +881,9 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; addr_len = err; - mutex_lock(&u->readlock); + err = mutex_lock_interruptible(&u->readlock); + if (err) + goto out; err = -EINVAL; if (u->addr) @@ -1440,7 +1450,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock, struct sock *sk = sock->sk; struct net *net = sock_net(sk); struct unix_sock *u = unix_sk(sk); - struct sockaddr_un *sunaddr = msg->msg_name; + DECLARE_SOCKADDR(struct sockaddr_un *, sunaddr, msg->msg_name); struct sock *other = NULL; int namelen = 0; /* fake GCC */ int err; @@ -1902,7 +1912,7 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, struct scm_cookie tmp_scm; struct sock *sk = sock->sk; struct unix_sock *u = unix_sk(sk); - struct sockaddr_un *sunaddr = msg->msg_name; + DECLARE_SOCKADDR(struct sockaddr_un *, sunaddr, msg->msg_name); int copied = 0; int check_creds = 0; int target; @@ -2433,8 +2443,7 @@ static int __init af_unix_init(void) rc = proto_register(&unix_proto, 1); if (rc != 0) { - printk(KERN_CRIT "%s: Cannot create unix_sock SLAB cache!\n", - __func__); + pr_crit("%s: Cannot create unix_sock SLAB cache!\n", __func__); goto out; } |