Commit afd3f96d authored by Al Viro's avatar Al Viro
Browse files

score: do_sigaltstack() expects a userland pointer... 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 9dc87c7b

arch/score/kernel/signal.c

+2 −5
Original line number Diff line number Diff line
@@ -148,7 +148,6 @@ score_rt_sigreturn(struct pt_regs *regs) 
{

	struct rt_sigframe __user *frame;

	sigset_t set;

	stack_t st;

	int sig;



	/* Always make any pending restarted system calls return -EINTR */
@@ -168,12 +167,10 @@ score_rt_sigreturn(struct pt_regs *regs) 
	else if (sig)

		force_sig(sig, current);



	if (__copy_from_user(&st, &frame->rs_uc.uc_stack, sizeof(st)))

		goto badframe;



	/* It is more difficult to avoid calling this function than to

	   call it and ignore errors.  */

	do_sigaltstack((stack_t __user *)&st, NULL, regs->regs[0]);

	if (do_sigaltstack(&frame->rs_uc.uc_stack, NULL, regs->regs[0]) == -EFAULT)

		goto badframe;

	regs->is_syscall = 0;



	__asm__ __volatile__(