tools: hv: Check retrun value of strchr call
Check return value of strchr call and dereference it only if it is
not NULL.
Signed-off-by: Tomas Hozza <thozza@redhat.com>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 @@
break;
x = strchr(p, '\n');
- *x = '\0';
+ if (x)
+ *x = '\0';
+
strcat(config_buf, p);
strcat(config_buf, ";");
}