[patch 4/7] d80211: fix potential invalid array index returning key information

[David Kimdon]

sdata->keys[] has NUM_DEFAULT_KEYS elements, don't access past that.

Signed-off-by: David Kimdon <[EMAIL PROTECTED]>

Index: wireless-dev/net/d80211/ieee80211_ioctl.c
===================================================================
--- wireless-dev.orig/net/d80211/ieee80211_ioctl.c
+++ wireless-dev/net/d80211/ieee80211_ioctl.c
@@ -803,7 +803,7 @@ static int ieee80211_ioctl_get_encryptio
            param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
            param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
                sta = NULL;
-               if (param->u.crypt.idx > NUM_DEFAULT_KEYS) {
+               if (param->u.crypt.idx >= NUM_DEFAULT_KEYS) {
                        param->u.crypt.idx = sdata->default_key ?
                                sdata->default_key->keyidx : 0;
                        return 0;

--
-
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