tree 56ccc0f5079ec4cf869b9692294eb7f3a4a31d8b
parent aa75ebc275b2a91b193654a177daf900ad6703f0
author Andrei Otcheretianski <andrei.otcheretianski@intel.com> 1426143210 +0200
committer Johannes Berg <johannes.berg@intel.com> 1426494959 +0100

mac80211: count interfaces correctly for combination checks

Since moving the interface combination checks to mac80211, it's
broken because it now only considers interfaces with an assigned
channel context, so for example any interface that isn't active
can still be up, which is clearly an issue; also, in particular
P2P-Device wdevs are an issue since they never have a chanctx.

Fix this by counting running interfaces instead the ones with a
channel context assigned.

Cc: stable@vger.kernel.org [3.16+]
Fixes: 73de86a38962b ("cfg80211/mac80211: move interface counting for combination check to mac80211")
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
[rewrite commit message, dig out the commit it fixes]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>