linux-kernel - [PATCH 36/43] m32r: Use sigsp()

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Date:	Mon, 21 Jul 2014 16:03:22 +0200
From:	Richard Weinberger <richard@...ma-star.at>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	Richard Weinberger <richard@....at>, takata@...ux-m32r.org,
	linux-m32r@...linux-m32r.org, linux-m32r-ja@...linux-m32r.org
Subject: [PATCH 36/43] m32r: Use sigsp()

From: Richard Weinberger <richard@....at>

Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <richard@....at>
---
 arch/m32r/kernel/signal.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index cce3fd3..95408b8 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -162,15 +162,9 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
  * Determine which stack to use..
  */
 static inline void __user *
-get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size)
+get_sigframe(struct ksignal *ksig, unsigned long sp, size_t frame_size)
 {
-	/* 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;
-	}
-
-	return (void __user *)((sp - frame_size) & -8ul);
+	return (void __user *)((sigsp(sp, ksig) - frame_size) & -8ul);
 }
 
 static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
@@ -180,7 +174,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
 	int err = 0;
 	int signal, sig = ksig->sig;
 
-	frame = get_sigframe(&ksig->ka, regs->spu, sizeof(*frame));
+	frame = get_sigframe(ksig, regs->spu, sizeof(*frame));
 
 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
 		return -EFAULT;
-- 
1.8.4.5

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