Date: Thu, 6 Apr 2017 17:09:00 +0000 (UTC) From: Conrad Meyer <cem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r316582 - head/sys/dev/bwn Message-ID: <201704061709.v36H90DI060607@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: cem Date: Thu Apr 6 17:08:59 2017 New Revision: 316582 URL: https://svnweb.freebsd.org/changeset/base/316582 Log: bwn(4): Fix trivial null dereference Reported by: PVS-Studio Sponsored by: Dell EMC Isilon Modified: head/sys/dev/bwn/if_bwn.c Modified: head/sys/dev/bwn/if_bwn.c ============================================================================== --- head/sys/dev/bwn/if_bwn.c Thu Apr 6 16:22:54 2017 (r316581) +++ head/sys/dev/bwn/if_bwn.c Thu Apr 6 17:08:59 2017 (r316582) @@ -6754,10 +6754,15 @@ static void bwn_txpwr(void *arg, int npending) { struct bwn_mac *mac = arg; - struct bwn_softc *sc = mac->mac_sc; + struct bwn_softc *sc; + + if (mac == NULL) + return; + + sc = mac->mac_sc; BWN_LOCK(sc); - if (mac && mac->mac_status >= BWN_MAC_STATUS_STARTED && + if (mac->mac_status >= BWN_MAC_STATUS_STARTED && mac->mac_phy.set_txpwr != NULL) mac->mac_phy.set_txpwr(mac); BWN_UNLOCK(sc);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201704061709.v36H90DI060607>