x86: signal: cosmetic unification of sys_rt_sigreturn()

Impact: cleanup

Add #ifdef directive for unification.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index b6e4fe03a36b..32718f5e4f61 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -169,10 +169,19 @@ badframe:
         return 0;
 }
 
+#ifdef CONFIG_X86_32
+asmlinkage int sys_rt_sigreturn(unsigned long __unused)
+{
+        struct pt_regs *regs = (struct pt_regs *)&__unused;
+
+        return do_rt_sigreturn(regs);
+}
+#else /* !CONFIG_X86_32 */
 asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
 {
         return do_rt_sigreturn(regs);
 }
+#endif /* CONFIG_X86_32 */
 
 /*
  * Set up a signal frame.