c6x: Use sigsp()

Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Mark Salter <msalter@redhat.com>

1 files changed, 3 insertions, 9 deletions

diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c
index 8bf9aad67cee..fe68226f6c4d 100644
--- a/arch/c6x/kernel/signal.c
+++ b/arch/c6x/kernel/signal.c
@@ -127,17 +127,11 @@ static int setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
         return err;
 }
 
-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;
-
-        /*
-         * This is the X/Open sanctioned signal stack switching.
-         */
-        if ((ka->sa.sa_flags & SA_ONSTACK) && sas_ss_flags(sp) == 0)
-                sp = current->sas_ss_sp + current->sas_ss_size;
+        unsigned long sp = sigsp(regs->sp, ksig);
 
         /*
          * No matter what happens, 'sp' must be dword
@@ -153,7 +147,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
         unsigned long __user *retcode;
         int err = 0;
 
-        frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
+        frame = get_sigframe(ksig, regs, sizeof(*frame));
 
         if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
                 return -EFAULT;