diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index fd49aed..5dede04 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -65,7 +65,8 @@ put_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
 {
 	compat_sigset_t s;
 
-	if (sz != sizeof *set) panic("put_sigset32()");
+	if (sz != sizeof *set)
+		return -EINVAL;
 	sigset_64to32(&s, set);
 
 	return copy_to_user(up, &s, sizeof s);
@@ -77,7 +78,8 @@ get_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
 	compat_sigset_t s;
 	int r;
 
-	if (sz != sizeof *set) panic("put_sigset32()");
+	if (sz != sizeof *set)
+		return -EINVAL;
 
 	if ((r = copy_from_user(&s, up, sz)) == 0) {
 		sigset_32to64(set, &s);