From a805a5254b06f30574f8d322fa451763335c1ee1 Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Wed, 13 Mar 2019 22:37:32 +0800
Subject: [PATCH 18/19] mangenerator: check strdup was successfull

Check for strdup != NULL
and drop unneeded zeroing when buffer is overwritten.
---
 tools/command.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/command.c b/tools/command.c
index f2a2722..9516fde 100644
--- a/tools/command.c
+++ b/tools/command.c
@@ -1465,7 +1465,7 @@ int define_commands(struct cmd_context *cmdtool, const char *run_name)
 
 		if (_is_desc_line(line_argv[0]) && !skip && cmd) {
 			char *desc = dm_pool_strdup(cmdtool->libmem, line_orig);
-			if (cmd->desc) {
+			if (cmd->desc && desc) {
 				int newlen = strlen(cmd->desc) + strlen(desc) + 2;
 				char *newdesc = dm_pool_alloc(cmdtool->libmem, newlen);
 				if (newdesc) {
-- 
2.19.1

