kernel/linux.git/drivers/net/wireless, branch v3.0.6

iwlagn: fix dangling scan request

2011-10-03T18:41:12+00:00

commit 6c80c39d9a6986a566c30d797aae37bfb697eea3 upstream. If iwl_scan_initiate() fails for any reason, priv->scan_request and priv->scan_vif are left dangling. This can lead to a crash later when iwl_bg_scan_completed() tries to run a pending scan request. In practice, this seems to be very rare due to the STATUS_SCANNING check earlier. That check, however, is wrong -- it should allow a scan to be queued when a reset/roc scan is going on. When a normal scan is already going on, a new one can't be issued by mac80211, so that code can be removed completely. I introduced this bug when adding off-channel support in commit 266af4c745952e9bebf687dd68af58df553cb59d. Reported-by: Peng Yan Signed-off-by: Johannes Berg Signed-off-by: Wey-Yi Guy Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman

iwlegacy: do not use interruptible waits

2011-10-03T18:41:12+00:00

commit 65d0f19e583e80e42b1c67c166bfc4dfdf6ab693 upstream. iwlegacy version of fix: commit effd4d9aece9184f526e6556786a94d335e38b71 Author: Johannes Berg Date: Thu Sep 15 11:46:52 2011 -0700 iwlagn: do not use interruptible waits Since the dawn of its time, iwlwifi has used interruptible waits to wait for synchronous commands and firmware loading. This leads to "interesting" bugs, because it can't actually handle the interruptions; for example when a command sending is interrupted it will assume the command completed fully, and then leave it pending, which leads to all kinds of trouble when the command finishes later. Since there's no easy way to gracefully deal with interruptions, fix the driver to not use interruptible waits. This at least fixes the error iwlagn 0000:02:00.0: Error: Response NULL in 'REPLY_SCAN_ABORT_CMD' I have seen in P2P testing, but it is likely that there are other errors caused by this. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman

rtlwifi: rtl8192cu: Fix unitialized struct

2011-10-03T18:41:11+00:00

commit 831d85471e761e190c3c8979b37540d699ae5812 upstream. Driver rtl8192cu assigns a new struct rtl_tcb_desc object, but fails to clear it. Signed-off-by: Larry Finger Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman

iwlegacy: fix command queue timeout

2011-10-03T18:41:11+00:00

commit 2e2a41d6ca07d1b2aa67015c35fd80701c98e867 upstream. iwlegacy version of fix: commit 282cdb325aea4ebbc42ce753b47cc96145eb54bc Author: Johannes Berg Date: Mon Sep 12 12:09:10 2011 -0700 iwlagn: fix command queue timeout If the command queue is constantly busy, which can happen in P2P, the hangcheck timer will frequently find a command in it and will eventually reset the device because nothing sets the timestamp for this queue when commands are processed. Fix this by setting the timestamp when a command completes. iwlegacy does not support P2P, but this patch fix possible unneeded hardware resets, hence is needed. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman

ath9k_hw: Fix Rx DMA stuck for AR9003 chips

2011-10-03T18:41:11+00:00

commit e9f9530bb697f53dd620df290102359a3325bb23 upstream. During the endurance testing, rx frames are not getting DMAd from MAC whereas pcu rx frame counters are getting updated properly. As per systems team input updated the initval to fix rx dma stuck issue. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman

iwlagn: workaround bug crashing some APs

2011-10-03T18:40:41+00:00

commit 2249b011432ca3dcce112f0f71e0f531b4bb9347 upstream. This patch reverts commit 9b7688328422b88a7a15dc0dc123ad9ab1a6e22d which was introduced in 2.6.38-rc1. It works around a problem where the iwlagn driver stimulates a bug crashing (requiring power cycle to recover) some APs under heavy traffic. Signed-off-by: Don Fry SIgned-off-by: Wey-Yi Guy Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman

rtl2800usb: Fix incorrect storage of MAC address on big-endian platforms

2011-10-03T18:40:40+00:00

commit daabead1c32f331edcfb255fd973411c667977e8 upstream. The eeprom data is stored in little-endian order in the rt2x00 library. As it was converted to cpu order in the read routines, the data need to be converted to LE on a big-endian platform. Signed-off-by: Larry Finger Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman

rt2800pci: Fix compiler error on PowerPC

2011-10-03T18:40:38+00:00

commit d331eb51e4d4190b2178c30fcafea54a94a577e8 upstream. Using gcc 4.4.5 on a Powerbook G4 with a PPC cpu, a complicated if statement results in incorrect flow, whereas the equivalent switch statement works correctly. Signed-off-by: Larry Finger Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman

b43: Fix beacon problem in ad-hoc mode

2011-10-03T18:40:36+00:00

commit 8c23516fbb209ccf8f8c36268311c721faff29ee upstream. In ad-hoc mode, driver b43 does not issue beacons. Signed-off-by: Manual Munz Tested-by: Larry Finger Signed-off-by: Larry Finger Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman

iwlagn: fix command queue timeout

2011-10-03T18:40:34+00:00

commit 282cdb325aea4ebbc42ce753b47cc96145eb54bc upstream. If the command queue is constantly busy, which can happen in P2P, the hangcheck timer will frequently find a command in it and will eventually reset the device because nothing sets the timestamp for this queue when commands are processed. Fix this by setting the timestamp when a command completes. Signed-off-by: Johannes Berg Signed-off-by: Wey-Yi Guy Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman