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authorLuciano Coelho2012-04-12 16:09:49 +0300
committerJohn W. Linville2012-04-16 14:16:58 -0400
commitbb3e10fb585f1911fedf5fcc4411dcf8d8d63f54 (patch)
tree84cba10f31d122cf986537c6d8cacf21399dba6c
parent8e8b41f9d8c8e63fc92f899ace8da91a490ac573 (diff)
mac80211: check IEEE80211_HW_QUEUE_CONTROL in ieee80211_check_queues()
Commit 3a25a8c8 (mac80211: add improved HW queue control) introduced a bug when running in AP mode without the IEEE80211_HW_QUEUE_CONTROL flag set. The ieee80211_check_queues() function always returns -EINVAL, preventing AP mode from starting. To fix this, check whether this flag is set before checking if cab_queue is set properly. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--net/mac80211/iface.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 6e85faed053d..23d1da376eb3 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -163,7 +163,8 @@ static int ieee80211_check_queues(struct ieee80211_sub_if_data *sdata)
return -EINVAL;
}
- if (sdata->vif.type != NL80211_IFTYPE_AP) {
+ if ((sdata->vif.type != NL80211_IFTYPE_AP) ||
+ !(sdata->local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)) {
sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE;
return 0;
}