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Commit d83961b7 authored by Richard Weinberger's avatar Richard Weinberger Committed by Richard Weinberger
Browse files

metag: Use sigsp() 



Use sigsp() instead of the open coded variant.

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Acked-by: default avatarJames Hogan <james.hogan@imgtec.com>
parent 36992f28

arch/metag/kernel/signal.c

+3 −7
Original line number Original line Diff line number Diff line
@@ -140,13 +140,9 @@ static int setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, 
/*

/*

 * Determine which stack to use..

 * Determine which stack to use..

 */

 */

static void __user *get_sigframe(struct k_sigaction *ka, unsigned long sp,

static void __user *get_sigframe(struct ksignal *ksig, unsigned long sp)

				 size_t frame_size)

{

{

	/* Meta stacks grows upwards */

	sp = sigsp(sp, ksig);

	if ((ka->sa.sa_flags & SA_ONSTACK) && (sas_ss_flags(sp) == 0))

		sp = current->sas_ss_sp;



	sp = (sp + 7) & ~7;			/* 8byte align stack */

	sp = (sp + 7) & ~7;			/* 8byte align stack */





	return (void __user *)sp;

	return (void __user *)sp;
@@ -159,7 +155,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, 
	int err;

	int err;

	unsigned long code;

	unsigned long code;





	frame = get_sigframe(&ksig->ka, regs->REG_SP, sizeof(*frame));

	frame = get_sigframe(ksig, regs->REG_SP);

	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))

	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))

		return -EFAULT;

		return -EFAULT;