[PATCH 10/14] virStorageBackendRBDOpenRADOSConn: Use memset instead of VIR_DISPOSE_N

[Peter Krempa]

Switch the secret value to 'g_autofree' for handling of the memory and
clear it out using memset.

Signed-off-by: Peter Krempa <pkrempa at redhat.com>
---
 src/storage/storage_backend_rbd.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/storage/storage_backend_rbd.c b/src/storage/storage_backend_rbd.c
index 22f5c78591..5af6136c4a 100644
--- a/src/storage/storage_backend_rbd.c
+++ b/src/storage/storage_backend_rbd.c
@@ -185,7 +185,7 @@ virStorageBackendRBDOpenRADOSConn(virStorageBackendRBDStatePtr ptr,
     int ret = -1;
     virStoragePoolSourcePtr source = &def->source;
     virStorageAuthDefPtr authdef = source->auth;
-    unsigned char *secret_value = NULL;
+    g_autofree unsigned char *secret_value = NULL;
     size_t secret_value_size = 0;
     VIR_AUTODISPOSE_STR rados_key = NULL;
     g_auto(virBuffer) mon_host = VIR_BUFFER_INITIALIZER;
@@ -215,6 +215,7 @@ virStorageBackendRBDOpenRADOSConn(virStorageBackendRBDStatePtr ptr,
             goto cleanup;

         rados_key = g_base64_encode(secret_value, secret_value_size);
+        memset(secret_value, 0, secret_value_size);

         if (virStorageBackendRBDRADOSConfSet(ptr->cluster,
                                              "key", rados_key) < 0)
@@ -325,8 +326,6 @@ virStorageBackendRBDOpenRADOSConn(virStorageBackendRBDStatePtr ptr,
     ret = 0;

  cleanup:
-    VIR_DISPOSE_N(secret_value, secret_value_size);
-
     virObjectUnref(conn);
     return ret;
 }
-- 
2.29.2