arc: Use sigsp()

Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c
index c2031e2..cb3142a 100644 (file)
--- a/arch/arc/kernel/signal.c
+++ b/arch/arc/kernel/signal.c
@@ -141,17 +141,13 @@ badframe:
 /*
  * Determine which stack to use..
  */
-static inline void __user *get_sigframe(struct k_sigaction *ka,
+static inline void __user *get_sigframe(struct ksignal *ksig,
                                        struct pt_regs *regs,
                                        unsigned long framesize)
 {
-       unsigned long sp = regs->sp;
+       unsigned long sp = sigsp(regs->sp, ksig);
        void __user *frame;
 
-       /* This is the X/Open sanctioned signal stack switching */
-       if ((ka->sa.sa_flags & SA_ONSTACK) && !sas_ss_flags(sp))
-               sp = current->sas_ss_sp + current->sas_ss_size;
-
        /* No matter what happens, 'sp' must be word
         * aligned otherwise nasty things could happen
         */
@@ -185,7 +181,7 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
        unsigned int magic = 0;
        int err = 0;
 
-       sf = get_sigframe(&ksig->ka, regs, sizeof(struct rt_sigframe));
+       sf = get_sigframe(ksig, regs, sizeof(struct rt_sigframe));
        if (!sf)
                return 1;