sparc: switch to use of generic old sigaction
note that due to historical accident we do *not* directly take
generic versions - need to check and invert the sign of signal
number first.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index 4e96771..dcce0a6 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -211,41 +211,12 @@
return sys_sysfs(option, arg1, arg2);
}
-asmlinkage long compat_sys_sigaction(int sig, struct old_sigaction32 __user *act,
- struct old_sigaction32 __user *oact)
+COMPAT_SYSCALL_DEFINE3(sparc_sigaction, int, sig,
+ struct compat_old_sigaction __user *,act,
+ struct compat_old_sigaction __user *,oact)
{
- struct k_sigaction new_ka, old_ka;
- int ret;
-
WARN_ON_ONCE(sig >= 0);
- sig = -sig;
-
- if (act) {
- compat_old_sigset_t mask;
- u32 u_handler, u_restorer;
-
- ret = get_user(u_handler, &act->sa_handler);
- new_ka.sa.sa_handler = compat_ptr(u_handler);
- ret |= __get_user(u_restorer, &act->sa_restorer);
- new_ka.sa.sa_restorer = compat_ptr(u_restorer);
- ret |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
- ret |= __get_user(mask, &act->sa_mask);
- if (ret)
- return ret;
- new_ka.ka_restorer = NULL;
- siginitset(&new_ka.sa.sa_mask, mask);
- }
-
- ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
- if (!ret && oact) {
- ret = put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler);
- ret |= __put_user(ptr_to_compat(old_ka.sa.sa_restorer), &oact->sa_restorer);
- ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
- ret |= __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
- }
-
- return ret;
+ return compat_sys_sigaction(-sig, act, oact);
}
COMPAT_SYSCALL_DEFINE5(rt_sigaction, int, sig,