Author: kevans
Date: Fri Aug 10 13:06:14 2018
New Revision: 337570
URL: https://svnweb.freebsd.org/changeset/base/337570
Log:
bwi(4): Set ic->ic_softc before bwi_getradiocaps to avoid bad deref
Submitted by: François Revol <re...@free.fr>
Obtained from: Haiku (ba88131cfde64e21bedb4ebedd699cfa5e7fd314)
MFC after: 1 week
Modified:
head/sys/dev/bwi/if_bwi.c
Modified: head/sys/dev/bwi/if_bwi.c
==============================================================================
--- head/sys/dev/bwi/if_bwi.c Fri Aug 10 10:37:25 2018 (r337569)
+++ head/sys/dev/bwi/if_bwi.c Fri Aug 10 13:06:14 2018 (r337570)
@@ -490,10 +490,12 @@ bwi_attach(struct bwi_softc *sc)
BWI_SPROM_CARD_INFO_LOCALE);
DPRINTF(sc, BWI_DBG_ATTACH, "locale: %d\n", sc->sc_locale);
/* XXX use locale */
+
+ ic->ic_softc = sc;
+
bwi_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
ic->ic_channels);
- ic->ic_softc = sc;
ic->ic_name = device_get_nameunit(dev);
ic->ic_caps = IEEE80211_C_STA |
IEEE80211_C_SHSLOT |
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