Fix memory leak in file mdadm

When we test mdadm with asan, we found some memory leaks in mdadm.c
We fix these memory leaks based on code logic.

Signed-off-by: Guanqin Miao <miaoguanqin@huawei.com>
Signed-off-by: Li Xiao Keng <lixiaokeng@huawei.com>
Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>

diff --git a/mdadm.c b/mdadm.c
index e32598cb15a4577e91f4a5d1853f8e4176ceb51d..22d1c53bba061d1c1faed77f805d8c045d16b10e 100644 (file)
--- a/mdadm.c
+++ b/mdadm.c
@@ -1708,6 +1708,10 @@ int main(int argc, char *argv[])
                autodetect();
                break;
        }
+       if (ss) {
+               ss->ss->free_super(ss);
+               free(ss);
+       }
        if (locked)
                cluster_release_dlmlock();
        close_fd(&mdfd);