On Tue, Jun 10, 2014 at 10:26:56AM +0200, Pontus Fuchs wrote: > I have a reproducible sleep in atomic when I set up hostapd with > TKIP on a rt2800 based USB dongle. As soon as a client connects I > see this. I guess get_tkip_seq may not sleep. Someone else reported that already, but fails to test provided patch: http://rt2x00.serialmonkey.com/pipermail/users_rt2x00.serialmonkey.com/2014-January/006538.html Does attached patch make the problem gone for you? Thanks Stanislaw
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 2183e79..87d7938 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -489,6 +489,8 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, crypto.cipher = rt2x00crypto_key_to_cipher(key); if (crypto.cipher == CIPHER_NONE) return -EOPNOTSUPP; + if (crypto.cipher == CIPHER_TKIP && rt2x00_is_usb(rt2x00dev)) + return -EOPNOTSUPP; crypto.cmd = cmd;
