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| author | Michal Kazior <michal.kazior@tieto.com> | 2014-03-21 17:52:15 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-04-09 12:55:58 +0400 |
| commit | 65d26f29ec018c863ae181c96c1dd91ed8c4b652 (patch) | |
| tree | 51036c3319dde4323c3110436e017482336e5e4d /net/wireless/util.c | |
| parent | 5d52ee81101943c507f45c76368026935f6bb75a (diff) | |
| download | linux-65d26f29ec018c863ae181c96c1dd91ed8c4b652.tar.xz | |
cfg80211: fix radar_detect combination checking
All bits from radar_detect must match combination
radar bitmask. Otherwise it is theoretically
possible to lead into an invalid combination
provided a driver reports strange combinations.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/util.c')
| -rw-r--r-- | net/wireless/util.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c index 5433659a08ee..d032a31828f1 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1309,7 +1309,7 @@ int cfg80211_check_combinations(struct wiphy *wiphy, } } - if (radar_detect && !(c->radar_detect_widths & radar_detect)) + if (radar_detect != (c->radar_detect_widths & radar_detect)) goto cont; /* Finally check that all iftypes that we're currently |