linux-kernel - [Patch 1/2] ia32: use generic sys

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Message-Id: <20090722091051.6621.15184.sendpatchset@localhost.localdomain>
Date:	Wed, 22 Jul 2009 05:08:33 -0400
From:	Amerigo Wang <amwang@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, mingo@...e.hu,
	Al Viro <viro@...iv.linux.org.uk>,
	Amerigo Wang <amwang@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [Patch 1/2] ia32: 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@...hat.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Al Viro <viro@...iv.linux.org.uk>
CC: Linus Torvalds <torvalds@...ux-foundation.org>

---
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index e590261..ba331bf 100644
--- 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
--- 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)
--
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