x86_32: signal: use syscall_get_nr and error

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

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index b21070ea33a485c314ed8538288632fb8fa2a869..3e4a688bb84fc88e643a8f07f250ab9b1516adec 100644 (file)
--- 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: