locks: Don't skip out-of-tree flocks

These guys may have pids that are not met in pstree.
This is not the reason for skipping those, try to
resolve flocks anyway.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

file-lock.c

@@ -91,9 +91,13 @@ int dump_file_locks(void)
 
 	list_for_each_entry(fl, &file_lock_list, list) {
 		if (fl->real_owner == -1) {
-			pr_err("Unresolved lock found pid %d ino %ld\n",
-					fl->fl_owner, fl->i_no);
-			return -1;
+			if (fl->fl_kind == FL_POSIX) {
+				pr_err("Unresolved lock found pid %d ino %ld\n",
+						fl->fl_owner, fl->i_no);
+				return -1;
+			}
+
+			continue;
 		}
 
 		file_lock_entry__init(&fle);

proc_parse.c

@@ -1500,7 +1500,15 @@ int parse_file_locks(void)
 			goto err;
 		}
 
-		if (!pid_in_pstree(fl->fl_owner)) {
+		if (fl->fl_kind == FL_UNKNOWN) {
+			pr_err("Unknown file lock!\n");
+			ret = -1;
+			xfree(fl);
+			goto err;
+		}
+
+		if ((fl->fl_kind == FL_POSIX) &&
+				!pid_in_pstree(fl->fl_owner)) {
 			/*
 			 * We only care about tasks which are taken
 			 * into dump, so we only collect file locks
@@ -1510,13 +1518,6 @@ int parse_file_locks(void)
 			continue;
 		}
 
-		if (fl->fl_kind == FL_UNKNOWN) {
-			pr_err("Unknown file lock!\n");
-			ret = -1;
-			xfree(fl);
-			goto err;
-		}
-
 		if (is_blocked) {
 			/*
 			 * Here the task is in the pstree.