ath9k: prepare for multi-interface CSA support
authorMichal Kazior <michal.kazior@tieto.com>
Mon, 20 Jan 2014 14:27:12 +0000 (15:27 +0100)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 12 Feb 2014 20:31:48 +0000 (15:31 -0500)
Soon mac80211 will support multi-interface CSA so
using sc->csa_vif is not an option.

Instead just depend on vif->csa_active. Calling
ieee80211_csa_finish() multiple number of times
should not be an issue.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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