[PATCH v3 3/4] tools: hv: Check retrun value of strchr call

[Tomas Hozza]

Check return value of strchr call and dereference it only if it is
not NULL.

Signed-off-by: Tomas Hozza <thozza at redhat.com>
---
 tools/hv/hv_kvp_daemon.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 81cbb6e..5b8f28f 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -765,7 +765,9 @@ static void kvp_process_ipconfig_file(char *cmd,
 			break;
 
 		x = strchr(p, '\n');
-		*x = '\0';
+		if (x)
+			*x = '\0';
+
 		strcat(config_buf, p);
 		strcat(config_buf, ";");
 	}
-- 
1.8.1.4