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microblaze: Use sigsp() 

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 15:32:52 +01:00 committed by Richard Weinberger
parent d83961b733
commit c001cd21c9
1 changed files with 3 additions and 6 deletions
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9
arch/microblaze/kernel/signal.c
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@ -145,13 +145,10 @@ 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, struct pt_regs *regs, size_t frame_size) get_sigframe(struct ksignal *ksig, struct pt_regs *regs, size_t frame_size)
{ {
/* Default to using normal stack */ /* Default to using normal stack */
unsigned long sp = regs->r1; unsigned long sp = sigsp(regs->r1, ksig);
if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && !on_sig_stack(sp))
sp = current->sas_ss_sp + current->sas_ss_size;
return (void __user *)((sp - frame_size) & -8UL); return (void __user *)((sp - frame_size) & -8UL);
} }
@ -168,7 +165,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
pte_t *ptep; pte_t *ptep;
#endif #endif
frame = get_sigframe(&ksig->ka, regs, sizeof(*frame)); frame = get_sigframe(ksig, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
return -EFAULT; return -EFAULT;