Commit b960f303 authored by Al Viro's avatar Al Viro
Browse files

alpha: don't pass useless arguments to do_{,rt_},sigreturn() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent e0e431aa

arch/alpha/kernel/entry.S

+0 −4
Original line number Diff line number Diff line
@@ -658,8 +658,6 @@ sys_sigreturn: 
	.prologue 0

	lda	$9, ret_from_straced

	cmpult	$26, $9, $9

	mov	$sp, $17

	lda	$18, -SWITCH_STACK_SIZE($sp)

	lda	$sp, -SWITCH_STACK_SIZE($sp)

	jsr	$26, do_sigreturn

	bne	$9, 1f
@@ -675,8 +673,6 @@ sys_rt_sigreturn: 
	.prologue 0

	lda	$9, ret_from_straced

	cmpult	$26, $9, $9

	mov	$sp, $17

	lda	$18, -SWITCH_STACK_SIZE($sp)

	lda	$sp, -SWITCH_STACK_SIZE($sp)

	jsr	$26, do_rt_sigreturn

	bne	$9, 1f

arch/alpha/kernel/signal.c

+8 −8
Original line number Diff line number Diff line
@@ -160,10 +160,10 @@ extern char compile_time_assert 
#define INSN_CALLSYS		0x00000083



static long

restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,

		   struct switch_stack *sw)

restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs)

{

	unsigned long usp;

	struct switch_stack *sw = (struct switch_stack *)regs - 1;

	long i, err = __get_user(regs->pc, &sc->sc_pc);



	current_thread_info()->restart_block.fn = do_no_restart_syscall;
@@ -215,9 +215,9 @@ restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, 
   registers and transfer control from userland.  */



asmlinkage void

do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs,

	     struct switch_stack *sw)

do_sigreturn(struct sigcontext __user *sc)

{

	struct pt_regs *regs = current_pt_regs();

	sigset_t set;



	/* Verify that it's a good sigcontext before using it */
@@ -228,7 +228,7 @@ do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs, 


	set_current_blocked(&set);



	if (restore_sigcontext(sc, regs, sw))

	if (restore_sigcontext(sc, regs))

		goto give_sigsegv;



	/* Send SIGTRAP if we're single-stepping: */
@@ -249,9 +249,9 @@ do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs, 
}



asmlinkage void

do_rt_sigreturn(struct rt_sigframe __user *frame, struct pt_regs *regs,

		struct switch_stack *sw)

do_rt_sigreturn(struct rt_sigframe __user *frame)

{

	struct pt_regs *regs = current_pt_regs();

	sigset_t set;



	/* Verify that it's a good ucontext_t before using it */
@@ -262,7 +262,7 @@ do_rt_sigreturn(struct rt_sigframe __user *frame, struct pt_regs *regs, 


	set_current_blocked(&set);



	if (restore_sigcontext(&frame->uc.uc_mcontext, regs, sw))

	if (restore_sigcontext(&frame->uc.uc_mcontext, regs))

		goto give_sigsegv;



	/* Send SIGTRAP if we're single-stepping: */