Date: Wed, 28 Jan 2009 18:39:23 +0000 (UTC) From: Sam Leffler <sam@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r187835 - head/sys/net80211 Message-ID: <200901281839.n0SIdNY9028853@svn.freebsd.org>
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Author: sam Date: Wed Jan 28 18:39:23 2009 New Revision: 187835 URL: http://svn.freebsd.org/changeset/base/187835 Log: add an assert to verify the number of channels returned by ic_getradiocaps correlates with the size of the channel array passed down might want to promote this to be always present to catch for driver errors Modified: head/sys/net80211/ieee80211_ioctl.c Modified: head/sys/net80211/ieee80211_ioctl.c ============================================================================== --- head/sys/net80211/ieee80211_ioctl.c Wed Jan 28 18:37:46 2009 (r187834) +++ head/sys/net80211/ieee80211_ioctl.c Wed Jan 28 18:39:23 2009 (r187835) @@ -715,6 +715,8 @@ ieee80211_ioctl_getdevcaps(struct ieee80 dc->dc_htcaps = ic->ic_htcaps; ci = &dc->dc_chaninfo; ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); + KASSERT(ci->ic_nchans <= maxchans, + ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); free(dc, M_TEMP);
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