x86: signal_64.c: introduce helper function signr_convert()

This helper function is for unification of setup_rt_frame().
No effect in binary.

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_64.c b/arch/x86/kernel/signal_64.c
index 963236f..c5d8002 100644 (file)
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -281,18 +281,24 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 /*
  * OK, we're invoking a handler
  */
+static int signr_convert(int sig)
+{
+       return sig;
+}
+
 static int
 setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
               sigset_t *set, struct pt_regs *regs)
 {
+       int usig = signr_convert(sig);
        int ret;
 
 #ifdef CONFIG_IA32_EMULATION
        if (test_thread_flag(TIF_IA32)) {
                if (ka->sa.sa_flags & SA_SIGINFO)
-                       ret = ia32_setup_rt_frame(sig, ka, info, set, regs);
+                       ret = ia32_setup_rt_frame(usig, ka, info, set, regs);
                else
-                       ret = ia32_setup_frame(sig, ka, set, regs);
+                       ret = ia32_setup_frame(usig, ka, set, regs);
        } else
 #endif
        ret = __setup_rt_frame(sig, ka, info, set, regs);