Index: head/sys/fs/ext2fs/ext2_acl.c
===================================================================
--- head/sys/fs/ext2fs/ext2_acl.c
+++ head/sys/fs/ext2fs/ext2_acl.c
@@ -210,11 +210,6 @@
 	int len;
 	int error;
 
-	len = sizeof(*ap->a_aclp) + sizeof(struct ext2_acl_header);
-	value = malloc(len, M_ACL, M_WAITOK);
-	if (!value)
-		return (ENOMEM);
-
 	switch (ap->a_type) {
 	case ACL_TYPE_DEFAULT:
 		attrnamespace = POSIX1E_ACL_DEFAULT_EXTATTR_NAMESPACE;
@@ -228,6 +223,11 @@
 		return (EINVAL);
 	}
 
+	len = sizeof(*ap->a_aclp) + sizeof(struct ext2_acl_header);
+	value = malloc(len, M_ACL, M_WAITOK);
+	if (!value)
+		return (ENOMEM);
+
 	error = vn_extattr_get(ap->a_vp, IO_NODELOCKED, attrnamespace, attrname,
 	    &len, value, ap->a_td);
 	switch (error) {
@@ -518,4 +518,4 @@
 	}
 
 	return (acl_posix1e_check(ap->a_aclp));
-}
\ No newline at end of file
+}