net: check input parameter in net_check

1 files changed, 3 insertions, 0 deletions

diff --git a/src/net.c b/src/net.c
index 2919dc3..60e6559 100644
--- a/src/net.c
+++ b/src/net.c
@@ -139,6 +139,9 @@ bool net_check(struct network *net)
 #endif
 	bool change = false;
 
+	if (!net)
+		return false;
+
 	if (str_isset(net->cfg.ifname)) {
 
 		(void)net_if_getaddr(net->cfg.ifname, AF_INET, &net->laddr);