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platform_kernel-5.15
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metag: Use sigsp() 

Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: James Hogan <james.hogan@imgtec.com>
This commit is contained in:
Richard Weinberger 2014-03-05 15:31:04 +01:00 committed by Richard Weinberger
parent 36992f2893
commit d83961b733
1 changed files with 3 additions and 7 deletions
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10
arch/metag/kernel/signal.c
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@ -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;