diff options
Diffstat (limited to 'net/compat.c')
-rw-r--r-- | net/compat.c | 50 |
1 files changed, 5 insertions, 45 deletions
diff --git a/net/compat.c b/net/compat.c index 6ce1a1cadcc0..a3a2ba0fac08 100644 --- a/net/compat.c +++ b/net/compat.c | |||
@@ -725,7 +725,7 @@ EXPORT_SYMBOL(compat_mc_getsockopt); | |||
725 | static unsigned char nas[19]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3), | 725 | static unsigned char nas[19]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3), |
726 | AL(3),AL(3),AL(4),AL(4),AL(4),AL(6), | 726 | AL(3),AL(3),AL(4),AL(4),AL(4),AL(6), |
727 | AL(6),AL(2),AL(5),AL(5),AL(3),AL(3), | 727 | AL(6),AL(2),AL(5),AL(5),AL(3),AL(3), |
728 | AL(6)}; | 728 | AL(4)}; |
729 | #undef AL | 729 | #undef AL |
730 | 730 | ||
731 | asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned flags) | 731 | asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned flags) |
@@ -738,52 +738,13 @@ asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, uns | |||
738 | return sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT); | 738 | return sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT); |
739 | } | 739 | } |
740 | 740 | ||
741 | asmlinkage long compat_sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr, | ||
742 | int __user *upeer_addrlen, | ||
743 | const compat_sigset_t __user *sigmask, | ||
744 | compat_size_t sigsetsize, int flags) | ||
745 | { | ||
746 | compat_sigset_t ss32; | ||
747 | sigset_t ksigmask, sigsaved; | ||
748 | int ret; | ||
749 | |||
750 | if (sigmask) { | ||
751 | if (sigsetsize != sizeof(compat_sigset_t)) | ||
752 | return -EINVAL; | ||
753 | if (copy_from_user(&ss32, sigmask, sizeof(ss32))) | ||
754 | return -EFAULT; | ||
755 | sigset_from_compat(&ksigmask, &ss32); | ||
756 | |||
757 | sigdelsetmask(&ksigmask, sigmask(SIGKILL)|sigmask(SIGSTOP)); | ||
758 | sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved); | ||
759 | } | ||
760 | |||
761 | ret = do_accept(fd, upeer_sockaddr, upeer_addrlen, flags); | ||
762 | |||
763 | if (ret == -ERESTARTNOHAND) { | ||
764 | /* | ||
765 | * Don't restore the signal mask yet. Let do_signal() deliver | ||
766 | * the signal on the way back to userspace, before the signal | ||
767 | * mask is restored. | ||
768 | */ | ||
769 | if (sigmask) { | ||
770 | memcpy(¤t->saved_sigmask, &sigsaved, | ||
771 | sizeof(sigsaved)); | ||
772 | set_restore_sigmask(); | ||
773 | } | ||
774 | } else if (sigmask) | ||
775 | sigprocmask(SIG_SETMASK, &sigsaved, NULL); | ||
776 | |||
777 | return ret; | ||
778 | } | ||
779 | |||
780 | asmlinkage long compat_sys_socketcall(int call, u32 __user *args) | 741 | asmlinkage long compat_sys_socketcall(int call, u32 __user *args) |
781 | { | 742 | { |
782 | int ret; | 743 | int ret; |
783 | u32 a[6]; | 744 | u32 a[6]; |
784 | u32 a0, a1; | 745 | u32 a0, a1; |
785 | 746 | ||
786 | if (call < SYS_SOCKET || call > SYS_PACCEPT) | 747 | if (call < SYS_SOCKET || call > SYS_ACCEPT4) |
787 | return -EINVAL; | 748 | return -EINVAL; |
788 | if (copy_from_user(a, args, nas[call])) | 749 | if (copy_from_user(a, args, nas[call])) |
789 | return -EFAULT; | 750 | return -EFAULT; |
@@ -804,7 +765,7 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args) | |||
804 | ret = sys_listen(a0, a1); | 765 | ret = sys_listen(a0, a1); |
805 | break; | 766 | break; |
806 | case SYS_ACCEPT: | 767 | case SYS_ACCEPT: |
807 | ret = do_accept(a0, compat_ptr(a1), compat_ptr(a[2]), 0); | 768 | ret = sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), 0); |
808 | break; | 769 | break; |
809 | case SYS_GETSOCKNAME: | 770 | case SYS_GETSOCKNAME: |
810 | ret = sys_getsockname(a0, compat_ptr(a1), compat_ptr(a[2])); | 771 | ret = sys_getsockname(a0, compat_ptr(a1), compat_ptr(a[2])); |
@@ -844,9 +805,8 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args) | |||
844 | case SYS_RECVMSG: | 805 | case SYS_RECVMSG: |
845 | ret = compat_sys_recvmsg(a0, compat_ptr(a1), a[2]); | 806 | ret = compat_sys_recvmsg(a0, compat_ptr(a1), a[2]); |
846 | break; | 807 | break; |
847 | case SYS_PACCEPT: | 808 | case SYS_ACCEPT4: |
848 | ret = compat_sys_paccept(a0, compat_ptr(a1), compat_ptr(a[2]), | 809 | ret = sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), a[3]); |
849 | compat_ptr(a[3]), a[4], a[5]); | ||
850 | break; | 810 | break; |
851 | default: | 811 | default: |
852 | ret = -EINVAL; | 812 | ret = -EINVAL; |