linux-kernel - [PATCH 1/5] x86_32: signal: use syscall_get

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Message-ID: <48C1C03F.20400@ct.jp.nec.com>
Date:	Fri, 05 Sep 2008 16:26:55 -0700
From:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/5] x86_32: signal: use syscall_get_nr and error

From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>

Use asm/syscall.h interfaces that do the same things.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
---
 arch/x86/kernel/signal_32.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index b21070e..3e4a688 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -27,6 +27,7 @@
 #include <asm/uaccess.h>
 #include <asm/i387.h>
 #include <asm/vdso.h>
+#include <asm/syscall.h>
 #include <asm/syscalls.h>
 
 #include "sigframe.h"
@@ -507,9 +508,9 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
 	int ret;
 
 	/* Are we from a system call? */
-	if ((long)regs->orig_ax >= 0) {
+	if (syscall_get_nr(current, regs) >= 0) {
 		/* If so, check system call restarting.. */
-		switch (regs->ax) {
+		switch (syscall_get_error(current, regs)) {
 		case -ERESTART_RESTARTBLOCK:
 		case -ERESTARTNOHAND:
 			regs->ax = -EINTR;
@@ -623,9 +624,9 @@ static void do_signal(struct pt_regs *regs)
 	}
 
 	/* Did we come from a system call? */
-	if ((long)regs->orig_ax >= 0) {
+	if (syscall_get_nr(current, regs) >= 0) {
 		/* Restart the system call - no handlers present */
-		switch (regs->ax) {
+		switch (syscall_get_error(current, regs)) {
 		case -ERESTARTNOHAND:
 		case -ERESTARTSYS:
 		case -ERESTARTNOINTR:
-- 
1.5.6

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