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Commit e90670a9 authored by Richard Weinberger's avatar Richard Weinberger Committed by Richard Weinberger
Browse files

blackfin: Use sigsp() 



Use sigsp() instead of the open coded variant.

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
Acked-by: default avatarSteven Miao <realmz6@gmail.com>
parent 065f31bd

arch/blackfin/kernel/signal.c

+3 −11
Original line number Diff line number Diff line
@@ -135,19 +135,11 @@ static inline int rt_setup_sigcontext(struct sigcontext *sc, struct pt_regs *reg 
	return err;

}



static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,

static inline void *get_sigframe(struct ksignal *ksig,

				 size_t frame_size)

{

	unsigned long usp;

	unsigned long usp = sigsp(rdusp(), ksig);



	/* Default to using normal stack.  */

	usp = rdusp();



	/* This is the X/Open sanctioned signal stack switching.  */

	if (ka->sa.sa_flags & SA_ONSTACK) {

		if (!on_sig_stack(usp))

			usp = current->sas_ss_sp + current->sas_ss_size;

	}

	return (void *)((usp - frame_size) & -8UL);

}
@@ -157,7 +149,7 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) 
	struct rt_sigframe *frame;

	int err = 0;



	frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));

	frame = get_sigframe(ksig, sizeof(*frame));



	err |= __put_user((current_thread_info()->exec_domain

			   && current_thread_info()->exec_domain->signal_invmap