netowrkd:deserialize_dhcp_routes verify strndup ret

strndup need to be chcked

diff --git a/src/libsystemd-network/network-internal.c b/src/libsystemd-network/network-internal.c
index a5db0c53530282f1ba291cae6a731298a3d01964..317d5de6c4c5b4bf4a9d4cefce532f959ee797e0 100644 (file)
--- a/src/libsystemd-network/network-internal.c
+++ b/src/libsystemd-network/network-internal.c
@@ -474,6 +474,8 @@ int deserialize_dhcp_routes(struct sd_dhcp_route **ret, size_t *ret_size, size_t
                         return -ENOMEM;
 
                 entry = strndup(word, len);
+                if(!entry)
+                        return -ENOMEM;
 
                 tok = entry;