sparc: switch to generic sigaltstack
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 689e1ba..176e0e7 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -295,7 +295,8 @@
err |= restore_fpu_state(regs, fpu_save);
err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));
- if (err || do_sigaltstack(&sf->stack, NULL, (unsigned long)sf) == -EFAULT)
+ err |= restore_altstack(&sf->stack);
+ if (err)
goto segv;
err |= __get_user(rwin_save, &sf->rwin_save);
@@ -403,9 +404,7 @@
}
/* Setup sigaltstack */
- err |= __put_user(current->sas_ss_sp, &sf->stack.ss_sp);
- err |= __put_user(sas_ss_flags(regs->u_regs[UREG_FP]), &sf->stack.ss_flags);
- err |= __put_user(current->sas_ss_size, &sf->stack.ss_size);
+ err |= __save_altstack(&sf->stack, regs->u_regs[UREG_FP]);
err |= copy_to_user(&sf->mask, oldset, sizeof(sigset_t));