[PATCH] selftests/memfd: fix a memleak

[zhujun2 <zhujun2@xxxxxxxxxxxxxxxxxxxx>]

The memory allocated within a function should be released
before the function return,otherwise memleak will occur.

Signed-off-by: zhujun2 <zhujun2@xxxxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/memfd/fuse_test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/memfd/fuse_test.c b/tools/testing/selftests/memfd/fuse_test.c
index 93798c8c5d54..fd934487c528 100644
--- a/tools/testing/selftests/memfd/fuse_test.c
+++ b/tools/testing/selftests/memfd/fuse_test.c
@@ -217,6 +217,7 @@ static pid_t spawn_sealing_thread(void)
 		abort();
 	}
 
+	free(stack);
 	return pid;
 }
 
-- 
2.17.1