mn10300: Use sigsp()

Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <richard@nod.at>

1 files changed, 4 insertions, 13 deletions

diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index 0c97202764ce..a6c0858592c3 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -186,20 +186,11 @@ static int setup_sigcontext(struct sigcontext __user *sc,
 /*
  * 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,
                                         size_t frame_size)
 {
-        unsigned long sp;
-
-        /* default to using normal stack */
-        sp = regs->sp;
-
-        /* this is the X/Open sanctioned signal stack switching.  */
-        if (ka->sa.sa_flags & SA_ONSTACK) {
-                if (sas_ss_flags(sp) == 0)
-                        sp = current->sas_ss_sp + current->sas_ss_size;
-        }
+        unsigned long sp = sigsp(regs->sp, ksig);
 
         return (void __user *) ((sp - frame_size) & ~7UL);
 }
@@ -213,7 +204,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
         struct sigframe __user *frame;
         int rsig, sig = ksig->sig;
 
-        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;
@@ -281,7 +272,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
         struct rt_sigframe __user *frame;
         int rsig, sig = ksig->sig;
 
-        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;