Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

[safe/jmp/linux-2.6] / net / socket.c

diff --git a/net/socket.c b/net/socket.c
index 62c7729..2c730fc 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -69,7 +69,6 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/mutex.h>
-#include <linux/thread_info.h>
 #include <linux/wanrouter.h>
 #include <linux/if_bridge.h>
 #include <linux/if_frad.h>
@@ -1426,8 +1425,8 @@ asmlinkage long sys_listen(int fd, int backlog)
  *     clean when we restucture accept also.
  */
 
-long do_accept(int fd, struct sockaddr __user *upeer_sockaddr,
-              int __user *upeer_addrlen, int flags)
+asmlinkage long sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr,
+                           int __user *upeer_addrlen, int flags)
 {
        struct socket *sock, *newsock;
        struct file *newfile;
@@ -1510,66 +1509,10 @@ out_fd:
        goto out_put;
 }
 
-#if 0
-#ifdef HAVE_SET_RESTORE_SIGMASK
-asmlinkage long sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr,
-                           int __user *upeer_addrlen,
-                           const sigset_t __user *sigmask,
-                           size_t sigsetsize, int flags)
-{
-       sigset_t ksigmask, sigsaved;
-       int ret;
-
-       if (sigmask) {
-               /* XXX: Don't preclude handling different sized sigset_t's.  */
-               if (sigsetsize != sizeof(sigset_t))
-                       return -EINVAL;
-               if (copy_from_user(&ksigmask, sigmask, sizeof(ksigmask)))
-                       return -EFAULT;
-
-               sigdelsetmask(&ksigmask, sigmask(SIGKILL)|sigmask(SIGSTOP));
-               sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
-        }
-
-       ret = do_accept(fd, upeer_sockaddr, upeer_addrlen, flags);
-
-       if (ret < 0 && signal_pending(current)) {
-               /*
-                * Don't restore the signal mask yet. Let do_signal() deliver
-                * the signal on the way back to userspace, before the signal
-                * mask is restored.
-                */
-               if (sigmask) {
-                       memcpy(&current->saved_sigmask, &sigsaved,
-                              sizeof(sigsaved));
-                       set_restore_sigmask();
-               }
-       } else if (sigmask)
-               sigprocmask(SIG_SETMASK, &sigsaved, NULL);
-
-       return ret;
-}
-#else
-asmlinkage long sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr,
-                           int __user *upeer_addrlen,
-                           const sigset_t __user *sigmask,
-                           size_t sigsetsize, int flags)
-{
-       /* The platform does not support restoring the signal mask in the
-        * return path.  So we do not allow using paccept() with a signal
-        * mask.  */
-       if (sigmask)
-               return -EINVAL;
-
-       return do_accept(fd, upeer_sockaddr, upeer_addrlen, flags);
-}
-#endif
-#endif
-
 asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr,
                           int __user *upeer_addrlen)
 {
-       return do_accept(fd, upeer_sockaddr, upeer_addrlen, 0);
+       return sys_accept4(fd, upeer_sockaddr, upeer_addrlen, 0);
 }
 
 /*
@@ -2096,7 +2039,7 @@ static const unsigned char nargs[19]={
        AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
        AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
        AL(6),AL(2),AL(5),AL(5),AL(3),AL(3),
-       AL(6)
+       AL(4)
 };
 
 #undef AL
@@ -2115,7 +2058,7 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args)
        unsigned long a0, a1;
        int err;
 
-       if (call < 1 || call > SYS_PACCEPT)
+       if (call < 1 || call > SYS_ACCEPT4)
                return -EINVAL;
 
        /* copy_from_user should be SMP safe. */
@@ -2143,9 +2086,8 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args)
                err = sys_listen(a0, a1);
                break;
        case SYS_ACCEPT:
-               err =
-                   do_accept(a0, (struct sockaddr __user *)a1,
-                             (int __user *)a[2], 0);
+               err = sys_accept4(a0, (struct sockaddr __user *)a1,
+                                 (int __user *)a[2], 0);
                break;
        case SYS_GETSOCKNAME:
                err =
@@ -2192,12 +2134,9 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args)
        case SYS_RECVMSG:
                err = sys_recvmsg(a0, (struct msghdr __user *)a1, a[2]);
                break;
-       case SYS_PACCEPT:
-               err =
-                   sys_paccept(a0, (struct sockaddr __user *)a1,
-                               (int __user *)a[2],
-                               (const sigset_t __user *) a[3],
-                               a[4], a[5]);
+       case SYS_ACCEPT4:
+               err = sys_accept4(a0, (struct sockaddr __user *)a1,
+                                 (int __user *)a[2], a[3]);
                break;
        default:
                err = -EINVAL;
@@ -2367,6 +2306,7 @@ int kernel_accept(struct socket *sock, struct socket **newsock, int flags)
        }
 
        (*newsock)->ops = sock->ops;
+       __module_get((*newsock)->ops->owner);
 
 done:
        return err;