Merge branch 'master' into next

Conflicts:
	fs/nfsd/nfs4recover.c

Manually fixed above to use new creds API functions, e.g.
nfs4_save_creds().

Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 10 insertions, 70 deletions

diff --git a/net/socket.c b/net/socket.c
index 62c7729527ff..b7a562e655e9 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1426,8 +1426,8 @@ 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 +1510,10 @@ 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 +2040,7 @@ 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 +2059,7 @@ 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 +2087,8 @@ 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 +2135,9 @@ 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;