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rt2x00: fix crash when using TKIP on USB devices

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 41161
This commit is contained in:
Felix Fietkau 2014-06-12 14:44:23 +00:00
parent 58bd3b0764
commit 39c5660cbd
1 changed files with 49 additions and 2 deletions
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51
package/kernel/mac80211/patches/300-pending_work.patch
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@ -1,3 +1,41 @@
commit 1186edbef91f15722e5bdf56326ce0abc2935ce7
Author: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Tue Jun 10 12:51:06 2014 +0200
rt2x00: disable TKIP on USB
On USB we can not get atomically TKIP key. We have to disable support
for TKIP acceleration on USB hardware to avoid bug as showed bellow.
[ 860.827243] BUG: scheduling while atomic: hostapd/3397/0x00000002
<snip>
[ 860.827280] Call Trace:
[ 860.827282] [<ffffffff81682ea6>] dump_stack+0x4d/0x66
[ 860.827284] [<ffffffff8167eb9b>] __schedule_bug+0x47/0x55
[ 860.827285] [<ffffffff81685bb3>] __schedule+0x733/0x7b0
[ 860.827287] [<ffffffff81685c59>] schedule+0x29/0x70
[ 860.827289] [<ffffffff81684f8a>] schedule_timeout+0x15a/0x2b0
[ 860.827291] [<ffffffff8105ac50>] ? ftrace_raw_event_tick_stop+0xc0/0xc0
[ 860.827294] [<ffffffff810c13c2>] ? __module_text_address+0x12/0x70
[ 860.827296] [<ffffffff81686823>] wait_for_completion_timeout+0xb3/0x140
[ 860.827298] [<ffffffff81080fc0>] ? wake_up_state+0x20/0x20
[ 860.827301] [<ffffffff814d5b3d>] usb_start_wait_urb+0x7d/0x150
[ 860.827303] [<ffffffff814d5cd5>] usb_control_msg+0xc5/0x110
[ 860.827305] [<ffffffffa02fb0c6>] rt2x00usb_vendor_request+0xc6/0x160 [rt2x00usb]
[ 860.827307] [<ffffffffa02fb215>] rt2x00usb_vendor_req_buff_lock+0x75/0x150 [rt2x00usb]
[ 860.827309] [<ffffffffa02fb393>] rt2x00usb_vendor_request_buff+0xa3/0xe0 [rt2x00usb]
[ 860.827311] [<ffffffffa023d1a3>] rt2x00usb_register_multiread+0x33/0x40 [rt2800usb]
[ 860.827314] [<ffffffffa05805f9>] rt2800_get_tkip_seq+0x39/0x50 [rt2800lib]
[ 860.827321] [<ffffffffa0480f88>] ieee80211_get_key+0x218/0x2a0 [mac80211]
[ 860.827322] [<ffffffff815cc68c>] ? __nlmsg_put+0x6c/0x80
[ 860.827329] [<ffffffffa051b02e>] nl80211_get_key+0x22e/0x360 [cfg80211]
Cc: stable@vger.kernel.org
Reported-and-tested-by: Peter Wu <lekensteyn@gmail.com>
Reported-and-tested-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
commit 5f313a15da92dda80ac4c9a137bc42d7d0b49adf
Author: Rafał Miłecki <zajec5@gmail.com>
Date: Thu Jun 12 09:28:38 2014 +0200
@ -1243,7 +1281,16 @@ Date: Mon May 19 21:20:49 2014 +0200
void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -624,25 +624,24 @@ void rt2x00mac_bss_info_changed(struct i
@@ -487,6 +487,8 @@ int rt2x00mac_set_key(struct ieee80211_h
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;
@@ -624,25 +626,24 @@ void rt2x00mac_bss_info_changed(struct i
* Start/stop beaconing.
*/
if (changes & BSS_CHANGED_BEACON_ENABLED) {
@ -1276,7 +1323,7 @@ Date: Mon May 19 21:20:49 2014 +0200
} else if (bss_conf->enable_beacon && !intf->enable_beacon) {
rt2x00dev->intf_beaconing++;
intf->enable_beacon = true;
@@ -658,11 +657,10 @@ void rt2x00mac_bss_info_changed(struct i
@@ -658,11 +659,10 @@ void rt2x00mac_bss_info_changed(struct i
* First beaconing interface enabled
* -> start beacon queue.
*/