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authorFelix Fietkau <nbd@openwrt.org>2014-06-12 14:44:23 +0000
committerFelix Fietkau <nbd@openwrt.org>2014-06-12 14:44:23 +0000
commit8d9ccbc8a08fc16f1e25afd4c47052e5792ceaf8 (patch)
tree474ebcef95149152bdc22e935a0b760aebc82f52 /package/kernel/mac80211
parented6c5b50c326ca398c6899808f132084774d9abd (diff)
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rt2x00: fix crash when using TKIP on USB devices
Signed-off-by: Felix Fietkau <nbd@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41161 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/kernel/mac80211')
-rw-r--r--package/kernel/mac80211/patches/300-pending_work.patch51
1 files changed, 49 insertions, 2 deletions
diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch
index c85968df3e..468dffb931 100644
--- a/package/kernel/mac80211/patches/300-pending_work.patch
+++ b/package/kernel/mac80211/patches/300-pending_work.patch
@@ -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.
*/