ahci: move port_map handling to ahci_save_initial_config()

[powerpc.git] / net / socket.c

diff --git a/net/socket.c b/net/socket.c
index 0778c54..1ad62c0 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -585,6 +585,37 @@ int kernel_sendmsg(struct socket *sock, struct msghdr *msg,
        return result;
 }
 
+/*
+ * called from sock_recv_timestamp() if sock_flag(sk, SOCK_RCVTSTAMP)
+ */
+void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
+       struct sk_buff *skb)
+{
+       ktime_t kt = skb->tstamp;
+
+       if (!sock_flag(sk, SOCK_RCVTSTAMPNS)) {
+               struct timeval tv;
+               /* Race occurred between timestamp enabling and packet
+                  receiving.  Fill in the current time for now. */
+               if (kt.tv64 == 0)
+                       kt = ktime_get_real();
+               skb->tstamp = kt;
+               tv = ktime_to_timeval(kt);
+               put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMP, sizeof(tv), &tv);
+       } else {
+               struct timespec ts;
+               /* Race occurred between timestamp enabling and packet
+                  receiving.  Fill in the current time for now. */
+               if (kt.tv64 == 0)
+                       kt = ktime_get_real();
+               skb->tstamp = kt;
+               ts = ktime_to_timespec(kt);
+               put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPNS, sizeof(ts), &ts);
+       }
+}
+
+EXPORT_SYMBOL_GPL(__sock_recv_timestamp);
+
 static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
                                 struct msghdr *msg, size_t size, int flags)
 {
@@ -1194,6 +1225,7 @@ asmlinkage long sys_socketpair(int family, int type, int protocol,
 {
        struct socket *sock1, *sock2;
        int fd1, fd2, err;
+       struct file *newfile1, *newfile2;
 
        /*
         * Obtain the first socket and check if the underlying protocol
@@ -1212,18 +1244,37 @@ asmlinkage long sys_socketpair(int family, int type, int protocol,
        if (err < 0)
                goto out_release_both;
 
-       fd1 = fd2 = -1;
+       fd1 = sock_alloc_fd(&newfile1);
+       if (unlikely(fd1 < 0))
+               goto out_release_both;
 
-       err = sock_map_fd(sock1);
-       if (err < 0)
+       fd2 = sock_alloc_fd(&newfile2);
+       if (unlikely(fd2 < 0)) {
+               put_filp(newfile1);
+               put_unused_fd(fd1);
                goto out_release_both;
-       fd1 = err;
+       }
 
-       err = sock_map_fd(sock2);
-       if (err < 0)
-               goto out_close_1;
-       fd2 = err;
+       err = sock_attach_fd(sock1, newfile1);
+       if (unlikely(err < 0)) {
+               goto out_fd2;
+       }
 
+       err = sock_attach_fd(sock2, newfile2);
+       if (unlikely(err < 0)) {
+               fput(newfile1);
+               goto out_fd1;
+       }
+
+       err = audit_fd_pair(fd1, fd2);
+       if (err < 0) {
+               fput(newfile1);
+               fput(newfile2);
+               goto out_fd;
+       }
+
+       fd_install(fd1, newfile1);
+       fd_install(fd2, newfile2);
        /* fd1 and fd2 may be already another descriptors.
         * Not kernel problem.
         */
@@ -1238,17 +1289,23 @@ asmlinkage long sys_socketpair(int family, int type, int protocol,
        sys_close(fd1);
        return err;
 
-out_close_1:
-       sock_release(sock2);
-       sys_close(fd1);
-       return err;
-
 out_release_both:
        sock_release(sock2);
 out_release_1:
        sock_release(sock1);
 out:
        return err;
+
+out_fd2:
+       put_filp(newfile1);
+       sock_release(sock1);
+out_fd1:
+       put_filp(newfile2);
+       sock_release(sock2);
+out_fd:
+       put_unused_fd(fd1);
+       put_unused_fd(fd2);
+       goto out;
 }
 
 /*
@@ -1266,7 +1323,7 @@ asmlinkage long sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen)
        int err, fput_needed;
 
        sock = sockfd_lookup_light(fd, &err, &fput_needed);
-       if(sock) {
+       if (sock) {
                err = move_addr_to_kernel(umyaddr, addrlen, address);
                if (err >= 0) {
                        err = security_socket_bind(sock,
@@ -1355,7 +1412,7 @@ asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr,
 
        err = sock_attach_fd(newsock, newfile);
        if (err < 0)
-               goto out_fd;
+               goto out_fd_simple;
 
        err = security_socket_accept(sock, newsock);
        if (err)
@@ -1388,6 +1445,11 @@ out_put:
        fput_light(sock->file, fput_needed);
 out:
        return err;
+out_fd_simple:
+       sock_release(newsock);
+       put_filp(newfile);
+       put_unused_fd(newfd);
+       goto out_put;
 out_fd:
        fput(newfile);
        put_unused_fd(newfd);