nl80211: fix connect keys range check

Only key index 0-3 should be accepted, 4/5 are for IGTKs and
cannot be used as connect keys. Fix the range checking to not
allow such erroneous configurations.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c11c1ef..524f5d2 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -866,7 +866,7 @@ nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
                err = -EINVAL;
                if (!parse.p.key)
                        goto error;
-               if (parse.idx < 0 || parse.idx > 4)
+               if (parse.idx < 0 || parse.idx > 3)
                        goto error;
                if (parse.def) {
                        if (def)