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Appease the overflow check, 4 is enough.

This commit is contained in:
maxv 2018-01-21 14:13:49 +00:00
parent 7cd8c59fc2
commit 03cb445009
1 changed files with 3 additions and 3 deletions
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6
sys/net80211/ieee80211_input.c
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@ -1,4 +1,4 @@
/* $NetBSD: ieee80211_input.c,v 1.109 2018/01/17 16:03:16 maxv Exp $ */
/* $NetBSD: ieee80211_input.c,v 1.110 2018/01/21 14:13:49 maxv Exp $ */
/*
* Copyright (c) 2001 Atsushi Onoe
@ -37,7 +37,7 @@
__FBSDID("$FreeBSD: src/sys/net80211/ieee80211_input.c,v 1.81 2005/08/10 16:22:29 sam Exp $");
#endif
#ifdef __NetBSD__
__KERNEL_RCSID(0, "$NetBSD: ieee80211_input.c,v 1.109 2018/01/17 16:03:16 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: ieee80211_input.c,v 1.110 2018/01/21 14:13:49 maxv Exp $");
#endif
#ifdef _KERNEL_OPT
@ -2141,7 +2141,7 @@ ieee80211_recv_mgmt_beacon(struct ieee80211com *ic, struct mbuf *m0,
break;
case IEEE80211_ELEMID_TIM:
/* XXX ATIM? */
IEEE80211_VERIFY_LENGTH(frm[1], 5);
IEEE80211_VERIFY_LENGTH(frm[1], 4);
scan.sp_tim = frm;
scan.sp_timoff = frm - mtod(m0, u_int8_t *);
break;