Commit 059ade65 authored by Richard Weinberger's avatar Richard Weinberger Committed by Richard Weinberger
Browse files

powerpc: Use sigsp() 



Use sigsp() instead of the open coded variant.

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 8e2beafa

arch/powerpc/kernel/signal.c

+2 −8
Original line number Diff line number Diff line
@@ -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 */

arch/powerpc/kernel/signal_32.c

+2 −2
Original line number Diff line number Diff line
@@ -994,7 +994,7 @@ int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset, 


	/* Set up Signal Frame */

	/* Put a Real Time Context onto stack */

	rt_sf = get_sigframe(&ksig->ka, get_tm_stackpointer(regs), sizeof(*rt_sf), 1);

	rt_sf = get_sigframe(ksig, get_tm_stackpointer(regs), sizeof(*rt_sf), 1);

	addr = rt_sf;

	if (unlikely(rt_sf == NULL))

		goto badframe;
@@ -1417,7 +1417,7 @@ int handle_signal32(struct ksignal *ksig, sigset_t *oldset, struct pt_regs *regs 
	unsigned long tramp;



	/* Set up Signal Frame */

	frame = get_sigframe(&ksig->ka, get_tm_stackpointer(regs), sizeof(*frame), 1);

	frame = get_sigframe(ksig, get_tm_stackpointer(regs), sizeof(*frame), 1);

	if (unlikely(frame == NULL))

		goto badframe;

	sc = (struct sigcontext __user *) &frame->sctx;

arch/powerpc/kernel/signal_64.c

+1 −1
Original line number Diff line number Diff line
@@ -714,7 +714,7 @@ int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs 
	unsigned long newsp = 0;

	long err = 0;



	frame = get_sigframe(&ksig->ka, get_tm_stackpointer(regs), sizeof(*frame), 0);

	frame = get_sigframe(ksig, get_tm_stackpointer(regs), sizeof(*frame), 0);

	if (unlikely(frame == NULL))

		goto badframe;