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m32r: Use sigsp()

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Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger
2014-03-05 15:27:15 +01:00
committed by Richard Weinberger
parent 8bc77aa45e
commit 5c0806faf1
1 changed files with 3 additions and 9 deletions
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12
arch/m32r/kernel/signal.c
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@@ -162,15 +162,9 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
* Determine which stack to use.. * Determine which stack to use..
*/ */
static inline void __user * 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. */ return (void __user *)((sigsp(sp, ksig) - frame_size) & -8ul);
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);
} }
static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, 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 err = 0;
int signal, sig = ksig->sig; 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))) if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
return -EFAULT; return -EFAULT;