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powerpc: 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 16:25:55 +01:00
committed by Richard Weinberger
parent 8e2beafa2f
commit 059ade650a
3 changed files with 5 additions and 11 deletions
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10
arch/powerpc/kernel/signal.c
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@@ -31,20 +31,14 @@ int show_unhandled_signals = 1;
/*
* Allocate space for the signal frame
*/
void __user * get_sigframe(struct k_sigaction *ka, unsigned long sp,
void __user *get_sigframe(struct ksignal *ksig, unsigned long sp,
size_t frame_size, int is_32)
{
unsigned long oldsp, newsp;
/* Default to using normal stack */
oldsp = get_clean_sp(sp, is_32);
/* Check for alt stack */
if ((ka->sa.sa_flags & SA_ONSTACK) &&
current->sas_ss_size && !on_sig_stack(oldsp))
oldsp = (current->sas_ss_sp + current->sas_ss_size);
/* Get aligned frame */
oldsp = sigsp(oldsp, ksig);
newsp = (oldsp - frame_size) & ~0xFUL;
/* Check access */