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frv: 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 14:56:52 +01:00 committed by Richard Weinberger
parent 8215ade82d
commit 4a03ac362e
1 changed files with 4 additions and 13 deletions
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17
arch/frv/kernel/signal.c
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@ -158,19 +158,10 @@ static int setup_sigcontext(struct sigcontext __user *sc, unsigned long mask)
/* /*
* Determine which stack to use.. * Determine which stack to use..
*/ */
static inline void __user *get_sigframe(struct k_sigaction *ka, static inline void __user *get_sigframe(struct ksignal *ksig,
size_t frame_size) size_t frame_size)
{ {
unsigned long sp; unsigned long sp = sigsp(__frame->sp, ksig);
/* Default to using normal stack */
sp = __frame->sp;
/* This is the X/Open sanctioned signal stack switching. */
if (ka->sa.sa_flags & SA_ONSTACK) {
if (! sas_ss_flags(sp))
sp = current->sas_ss_sp + current->sas_ss_size;
}
return (void __user *) ((sp - frame_size) & ~7UL); return (void __user *) ((sp - frame_size) & ~7UL);
@ -187,7 +178,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set)
set_fs(USER_DS); set_fs(USER_DS);
frame = get_sigframe(&ksig->ka, sizeof(*frame)); frame = get_sigframe(ksig, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
return -EFAULT; return -EFAULT;
@ -268,7 +259,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set)
set_fs(USER_DS); set_fs(USER_DS);
frame = get_sigframe(&ksig->ka, sizeof(*frame)); frame = get_sigframe(ksig, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
return -EFAULT; return -EFAULT;