Date: Thu, 9 Apr 2020 15:30:21 +0000 (UTC) From: Eugene Grosbein <eugen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r359746 - stable/11/sys/net80211 Message-ID: <202004091530.039FUL0Q074758@repo.freebsd.org>
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Author: eugen Date: Thu Apr 9 15:30:21 2020 New Revision: 359746 URL: https://svnweb.freebsd.org/changeset/base/359746 Log: net80211: fix another possible panic for some drivers This change fixes another case for panic missed in r343035 and seen with run(4)-based system. This is direct commit to stable/11 because r306591 could not be merged due to differences in KPI. Note that stable/12 has this problem fixed already. Modified: stable/11/sys/net80211/ieee80211_amrr.c Modified: stable/11/sys/net80211/ieee80211_amrr.c ============================================================================== --- stable/11/sys/net80211/ieee80211_amrr.c Thu Apr 9 14:44:46 2020 (r359745) +++ stable/11/sys/net80211/ieee80211_amrr.c Thu Apr 9 15:30:21 2020 (r359746) @@ -409,6 +409,9 @@ amrr_tx_update(const struct ieee80211vap *vap, const s struct ieee80211_amrr_node *amn = ni->ni_rctls; int txcnt = *(int *)arg1, success = *(int *)arg2, retrycnt = *(int *)arg3; + if (!amn) + return; + amn->amn_txcnt = txcnt; amn->amn_success = success; amn->amn_retrycnt = retrycnt;
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