net: tcp2: Fix dereference after null check in tcp_in()

Fix dereference after null check in tcp_in(). Coverity CID :210051 Fixes zephyrproject-rtos#25783 Signed-off-by: Oleg Zhurakivskyy <[email protected]>
niziak · Jul 10, 2020 · fda94f7 · fda94f7
1 parent e520f35
commit fda94f7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/subsys/net/ip/tcp2.c b/subsys/net/ip/tcp2.c
@@ -1203,7 +1203,7 @@ static void tcp_in(struct tcp *conn, struct net_pkt *pkt)
 			}
 		}
 
-		if (len) {
+		if (th && len) {
 			if (th_seq(th) == conn->ack) {
 				if (tcp_data_get(conn, pkt) < 0) {
 					break;