From: Felix Fietkau Date: Sat, 18 May 2013 19:28:15 +0000 (+0200) Subject: ath9k: prevent aggregation session deadlocks X-Git-Tag: v3.10-rc5~25^2~26^2^2~14 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=08c96abd611beadf2af414a306fe0fb02ba706ff;p=pandora-kernel.git ath9k: prevent aggregation session deadlocks Waiting for all subframes of an existing aggregation session to drain before allowing mac80211 to start a new one is fragile and deadlocks caused by this behavior have been observed. Since mac80211 has proper synchronization for aggregation session start/stop handling, a better approach to session handling is to simply allow mac80211 to start a new session at any time. This requires changing the code to discard any packets outside of the BlockAck window in the A-MPDU software retry code. This patch implements the above and also simplifies the code. Signed-off-by: Felix Fietkau Signed-off-by: John W. Linville --- Reading git-diff-tree failed