fix coverity issuessubmit/tizen/20190403.234300accepted/tizen/unified/20190404.075557

- A pointer to freed memory is dereferenced.
- Use of an uninitialized variable.

Change-Id: I9287c00aa1417547d57d89e957c36326c4f428d5
Signed-off-by: wansuyoo <wansu.yoo@samsung.com>

3 files changed, 3 insertions, 2 deletions

diff --git a/src/dzl_dockerctl.c b/src/dzl_dockerctl.c
index 2faa9d4..5318b03 100755
--- a/src/dzl_dockerctl.c
+++ b/src/dzl_dockerctl.c
@@ -752,6 +752,7 @@ static char *__generate_dockerd_env(void)
 			cmd_len += strlen(http_proxy);
 		}
 		free(ret_str);
+		ret_str = NULL;
 	}
 	ret = __CLI_command(GET_HTTPS_PROXY_CMD, 1, &ret_str);
 	if (ret_str != NULL) {
@@ -760,6 +761,7 @@ static char *__generate_dockerd_env(void)
 			cmd_len += strlen(https_proxy);
 		}
 		free(ret_str);
+		ret_str = NULL;
 	}
 
 	if (cmd_len > 0) {
diff --git a/src/lib/ipc_client.c b/src/lib/ipc_client.c
index 230d8b2..75027a5 100755
--- a/src/lib/ipc_client.c
+++ b/src/lib/ipc_client.c
@@ -34,7 +34,6 @@ static int __client_open_connection(char *server, SOCKET_HANDLE* phndl)
 	printf("<<Client>> __client_open_connection\n");
 	ret = IPC_OpenClientConnection(server, phndl);
 	if (0 == ret)	{
-		printf("<<Client>> phndl->server_h = %d\n", phndl->server_h);
 		printf("<<Client>> phndl->client_h = %d\n", phndl->client_h);
 	}	else {
 		printf("<<Client>> connection_init ERROR(%d) !!! {%s}\n", ret, SERVER);
diff --git a/src/lib/yaml_util.c b/src/lib/yaml_util.c
index 06df9a9..e6797c5 100644
--- a/src/lib/yaml_util.c
+++ b/src/lib/yaml_util.c
@@ -25,7 +25,7 @@ int yaml_getContents(char *file_name, char *contentsKey, char **retVal)
 	int		stateYAML = YAML_NO_TOKEN;
 	char	*scalarTokenVal = NULL;
 	int		scalarTokenLen = 0;
-	char	keyTokenVal[256];
+	char	keyTokenVal[256] = {0, };
 	char	retTmp[256];
 	int		retTmpLen;
 	int		blockSequenceCnt = 0;