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m68k: Use sigsp()
Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger <richard@nod.at>
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parent
5c0806faf1
commit
36992f2893
1 changed files with 4 additions and 12 deletions
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@ -835,18 +835,10 @@ static inline int rt_setup_ucontext(struct ucontext __user *uc, struct pt_regs *
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}
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static inline void __user *
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get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size)
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get_sigframe(struct ksignal *ksig, size_t frame_size)
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{
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unsigned long usp;
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unsigned long usp = sigsp(rdusp(), ksig);
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/* Default to using normal stack. */
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usp = rdusp();
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/* This is the X/Open sanctioned signal stack switching. */
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if (ka->sa.sa_flags & SA_ONSTACK) {
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if (!sas_ss_flags(usp))
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usp = current->sas_ss_sp + current->sas_ss_size;
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}
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return (void __user *)((usp - frame_size) & -8UL);
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}
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@ -866,7 +858,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
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return -EFAULT;
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}
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frame = get_sigframe(&ksig->ka, regs, sizeof(*frame) + fsize);
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frame = get_sigframe(ksig, sizeof(*frame) + fsize);
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if (fsize)
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err |= copy_to_user (frame + 1, regs + 1, fsize);
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@ -951,7 +943,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
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return -EFAULT;
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}
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frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
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frame = get_sigframe(ksig, sizeof(*frame));
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if (fsize)
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err |= copy_to_user (&frame->uc.uc_extra, regs + 1, fsize);
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