diff options
Diffstat (limited to 'net/appletalk')
| -rw-r--r-- | net/appletalk/ddp.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index c410b93fda2e..3d4f4b043406 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -54,7 +54,6 @@ #include <linux/capability.h> #include <linux/module.h> #include <linux/if_arp.h> -#include <linux/smp_lock.h> #include <linux/termios.h> /* For TIOCOUTQ/INQ */ #include <linux/compat.h> #include <linux/slab.h> @@ -1052,13 +1051,13 @@ static int atalk_release(struct socket *sock) { struct sock *sk = sock->sk; - lock_kernel(); + lock_sock(sk); if (sk) { sock_orphan(sk); sock->sk = NULL; atalk_destroy_socket(sk); } - unlock_kernel(); + release_sock(sk); return 0; } @@ -1143,7 +1142,7 @@ static int atalk_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) if (addr->sat_family != AF_APPLETALK) return -EAFNOSUPPORT; - lock_kernel(); + lock_sock(sk); if (addr->sat_addr.s_net == htons(ATADDR_ANYNET)) { struct atalk_addr *ap = atalk_find_primary(); @@ -1179,7 +1178,7 @@ static int atalk_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) sock_reset_flag(sk, SOCK_ZAPPED); err = 0; out: - unlock_kernel(); + release_sock(sk); return err; } @@ -1215,7 +1214,7 @@ static int atalk_connect(struct socket *sock, struct sockaddr *uaddr, #endif } - lock_kernel(); + lock_sock(sk); err = -EBUSY; if (sock_flag(sk, SOCK_ZAPPED)) if (atalk_autobind(sk) < 0) @@ -1233,7 +1232,7 @@ static int atalk_connect(struct socket *sock, struct sockaddr *uaddr, sk->sk_state = TCP_ESTABLISHED; err = 0; out: - unlock_kernel(); + release_sock(sk); return err; } @@ -1249,7 +1248,7 @@ static int atalk_getname(struct socket *sock, struct sockaddr *uaddr, struct atalk_sock *at = at_sk(sk); int err; - lock_kernel(); + lock_sock(sk); err = -ENOBUFS; if (sock_flag(sk, SOCK_ZAPPED)) if (atalk_autobind(sk) < 0) @@ -1277,17 +1276,7 @@ static int atalk_getname(struct socket *sock, struct sockaddr *uaddr, memcpy(uaddr, &sat, sizeof(sat)); out: - unlock_kernel(); - return err; -} - -static unsigned int atalk_poll(struct file *file, struct socket *sock, - poll_table *wait) -{ - int err; - lock_kernel(); - err = datagram_poll(file, sock, wait); - unlock_kernel(); + release_sock(sk); return err; } @@ -1596,7 +1585,7 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr if (len > DDP_MAXSZ) return -EMSGSIZE; - lock_kernel(); + lock_sock(sk); if (usat) { err = -EBUSY; if (sock_flag(sk, SOCK_ZAPPED)) @@ -1651,7 +1640,9 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr sk, size, dev->name); size += dev->hard_header_len; + release_sock(sk); skb = sock_alloc_send_skb(sk, size, (flags & MSG_DONTWAIT), &err); + lock_sock(sk); if (!skb) goto out; @@ -1738,7 +1729,7 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr SOCK_DEBUG(sk, "SK %p: Done write (%Zd).\n", sk, len); out: - unlock_kernel(); + release_sock(sk); return err ? : len; } @@ -1753,9 +1744,10 @@ static int atalk_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr int err = 0; struct sk_buff *skb; - lock_kernel(); skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &err); + lock_sock(sk); + if (!skb) goto out; @@ -1787,7 +1779,7 @@ static int atalk_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr skb_free_datagram(sk, skb); /* Free the datagram. */ out: - unlock_kernel(); + release_sock(sk); return err ? : copied; } @@ -1887,7 +1879,7 @@ static const struct proto_ops atalk_dgram_ops = { .socketpair = sock_no_socketpair, .accept = sock_no_accept, .getname = atalk_getname, - .poll = atalk_poll, + .poll = datagram_poll, .ioctl = atalk_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = atalk_compat_ioctl, |