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arc: Use sigsp()

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Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Richard Weinberger 2014-03-05 13:26:26 +01:00 committed by Richard Weinberger
parent 72f15c0397
commit 5290dd79c0
1 changed files with 3 additions and 7 deletions
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10
arch/arc/kernel/signal.c
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@ -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;