x86, 32-bit: Use generic sys_pipe()

As suggested by Al, it's better to use the generic sys_pipe() for ia32.

Signed-off-by: WANG Cong <amwang@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index e590261..ba331bf 100644 (file)
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -537,7 +537,7 @@ ia32_sys_call_table:
        .quad sys_mkdir
        .quad sys_rmdir         /* 40 */
        .quad sys_dup
-       .quad sys32_pipe
+       .quad sys_pipe
        .quad compat_sys_times
        .quad quiet_ni_syscall                  /* old prof syscall holder */
        .quad sys_brk           /* 45 */

diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index 085a8c3..9f55271 100644 (file)
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -189,20 +189,6 @@ asmlinkage long sys32_mprotect(unsigned long start, size_t len,
        return sys_mprotect(start, len, prot);
 }
 
-asmlinkage long sys32_pipe(int __user *fd)
-{
-       int retval;
-       int fds[2];
-
-       retval = do_pipe_flags(fds, 0);
-       if (retval)
-               goto out;
-       if (copy_to_user(fd, fds, sizeof(fds)))
-               retval = -EFAULT;
-out:
-       return retval;
-}
-
 asmlinkage long sys32_rt_sigaction(int sig, struct sigaction32 __user *act,
                                   struct sigaction32 __user *oact,
                                   unsigned int sigsetsize)