PERFORCE change 63843 for review
Sam Leffler
sam at FreeBSD.org
Wed Oct 27 12:48:20 PDT 2004
http://perforce.freebsd.org/chv.cgi?CH=63843
Change 63843 by sam at sam_ebb on 2004/10/27 19:47:46
Change IEEE80211_IOC_WPAIE to copy only the mac address in
and only as much data as request out. Makes it a bit more
convenient to use.
Affected files ...
.. //depot/projects/wifi/sys/net80211/ieee80211_ioctl.c#5 edit
Differences ...
==== //depot/projects/wifi/sys/net80211/ieee80211_ioctl.c#5 (text+ko) ====
@@ -890,9 +890,9 @@
struct ieee80211req_wpaie wpaie;
int error;
- if (ireq->i_len != sizeof(wpaie))
+ if (ireq->i_len < IEEE80211_ADDR_LEN)
return EINVAL;
- error = copyin(ireq->i_data, &wpaie, sizeof(wpaie));
+ error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
if (error != 0)
return error;
ni = ieee80211_find_node(ic, wpaie.wpa_macaddr);
@@ -906,7 +906,9 @@
memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen);
}
ieee80211_free_node(ic, ni);
- return copyout(&wpaie, ireq->i_data, sizeof(wpaie));
+ if (ireq->i_len > sizeof(wpaie))
+ ireq->i_len = sizeof(wpaie);
+ return copyout(&wpaie, ireq->i_data, ireq->i_len);
}
static int
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