diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index e2881fb585ffad581ffa80a455026aa2a979fe54..645b52ede61261a81fc52618c6891d2c6a4e949b 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -750,7 +750,10 @@ int trace_pid_write(struct trace_pid_list *filtered_pids,
 		/* copy the current bits to the new max */
 		ret = trace_pid_list_first(filtered_pids, &pid);
 		while (!ret) {
-			trace_pid_list_set(pid_list, pid);
+			ret = trace_pid_list_set(pid_list, pid);
+			if (ret < 0)
+				goto out;
+
 			ret = trace_pid_list_next(filtered_pids, pid + 1, &pid);
 			nr_pids++;
 		}
@@ -787,6 +790,7 @@ int trace_pid_write(struct trace_pid_list *filtered_pids,
 		trace_parser_clear(&parser);
 		ret = 0;
 	}
+ out:
 	trace_parser_put(&parser);
 
 	if (ret < 0) {