sparc: switch sys_compat_rt_sigaction() to COMPAT_SYSCALL_DEFINE
note that while struct compat_sigaction is the generic one, syscall
itself *isn't* - different arguments. IOW, CONFIG_ODD_RT_SIGACTION
stays.
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 feb0163..4e96771 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -248,11 +248,11 @@
return ret;
}
-asmlinkage long compat_sys_rt_sigaction(int sig,
- struct sigaction32 __user *act,
- struct sigaction32 __user *oact,
- void __user *restorer,
- compat_size_t sigsetsize)
+COMPAT_SYSCALL_DEFINE5(rt_sigaction, int, sig,
+ struct compat_sigaction __user *,act,
+ struct compat_sigaction __user *,oact,
+ void __user *,restorer,
+ compat_size_t,sigsetsize)
{
struct k_sigaction new_ka, old_ka;
int ret;
@@ -269,12 +269,7 @@
ret = get_user(u_handler, &act->sa_handler);
new_ka.sa.sa_handler = compat_ptr(u_handler);
ret |= __copy_from_user(&set32, &act->sa_mask, sizeof(compat_sigset_t));
- switch (_NSIG_WORDS) {
- case 4: new_ka.sa.sa_mask.sig[3] = set32.sig[6] | (((long)set32.sig[7]) << 32);
- case 3: new_ka.sa.sa_mask.sig[2] = set32.sig[4] | (((long)set32.sig[5]) << 32);
- case 2: new_ka.sa.sa_mask.sig[1] = set32.sig[2] | (((long)set32.sig[3]) << 32);
- case 1: new_ka.sa.sa_mask.sig[0] = set32.sig[0] | (((long)set32.sig[1]) << 32);
- }
+ sigset_from_compat(&new_ka.sa.sa_mask, &set32);
ret |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
ret |= __get_user(u_restorer, &act->sa_restorer);
new_ka.sa.sa_restorer = compat_ptr(u_restorer);
@@ -285,12 +280,7 @@
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
- switch (_NSIG_WORDS) {
- case 4: set32.sig[7] = (old_ka.sa.sa_mask.sig[3] >> 32); set32.sig[6] = old_ka.sa.sa_mask.sig[3];
- case 3: set32.sig[5] = (old_ka.sa.sa_mask.sig[2] >> 32); set32.sig[4] = old_ka.sa.sa_mask.sig[2];
- case 2: set32.sig[3] = (old_ka.sa.sa_mask.sig[1] >> 32); set32.sig[2] = old_ka.sa.sa_mask.sig[1];
- case 1: set32.sig[1] = (old_ka.sa.sa_mask.sig[0] >> 32); set32.sig[0] = old_ka.sa.sa_mask.sig[0];
- }
+ sigset_to_compat(&set32, &old_ka.sa.sa_mask);
ret = put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler);
ret |= __copy_to_user(&oact->sa_mask, &set32, sizeof(compat_sigset_t));
ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
