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rt2x00: Only specify interface combinations if more then one interface is possible 

Otherwise rt2500* triggers a warning in cfg80211, from net/wireless/core.c:

	/* Combinations with just one interface aren't real */
	if (WARN_ON(c->max_interfaces < 2))

This was introduced in commit 55d2e9da744ba11eae900b4bfc2da72eace3c1e1:
rt2x00: Replace open coded interface checking with interface combinations.

Reported-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: stable@vger.kernel.org [3.7+]
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Helmut Schaa 2012-12-03 22:35:39 +01:00 committed by John W. Linville
parent 1981e881fd
commit f5685ba675
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/rt2x00/rt2x00dev.c
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@ -1124,6 +1124,9 @@ static inline void rt2x00lib_set_if_combinations(struct rt2x00_dev *rt2x00dev)
struct ieee80211_iface_limit *if_limit;
struct ieee80211_iface_combination *if_combination;
if (rt2x00dev->ops->max_ap_intf < 2)
return;
/*
* Build up AP interface limits structure.
*/