net: ppp: fsm: prevent double free in Discard-Req handler

Received net_pkt is always discarded in ppp_recv() if we return NET_OK. Don't do this in ppp_fsm_recv_discard_req(). Signed-off-by: Marcin Niestroj <[email protected]>
bseazeng · Jan 7, 2020 · 0b8e5f1 · 0b8e5f1
1 parent c182610
commit 0b8e5f1
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/subsys/net/l2/ppp/fsm.c b/subsys/net/l2/ppp/fsm.c
@@ -1132,8 +1132,6 @@ enum net_verdict ppp_fsm_recv_discard_req(struct ppp_fsm *fsm,
 	NET_DBG("[%s/%p] Current state %s (%d)", fsm->name, fsm,
 		ppp_state_str(fsm->state), fsm->state);
 
-	net_pkt_unref(pkt);
-
 	return NET_OK;
 }