diff options
| author | David Kilroy <kilroyd@gmail.com> | 2010-11-24 20:33:02 +0000 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-11-30 13:23:05 -0500 |
| commit | cf63495d0dbe435b475a44672f5dee150da6471b (patch) | |
| tree | a43a42069bc2950260ba2aafa114ec66024983cd /drivers/net | |
| parent | 5c5e138b590a748c57d54b39634cda974ab9af1d (diff) | |
| download | blackbird-op-linux-cf63495d0dbe435b475a44672f5dee150da6471b.tar.gz blackbird-op-linux-cf63495d0dbe435b475a44672f5dee150da6471b.zip | |
orinoco: abort scan on interface down
This fixes the problem causing the following trace:
------------[ cut here ]------------
WARNING: at linux-2.6.34/net/wireless/core.c:633 wdev_cleanup_work+0xb7/0xe0 [cfg80211]()
Hardware name: Latitude C840
Pid: 707, comm: cfg80211 Not tainted 2.6.34.7-0.5-desktop #1
Call Trace:
[<c02065c3>] try_stack_unwind+0x173/0x190
[<c02051cf>] dump_trace+0x3f/0xe0
[<c020662b>] show_trace_log_lvl+0x4b/0x60
[<c0206658>] show_trace+0x18/0x20
[<c064e0b3>] dump_stack+0x6d/0x72
[<c02443ae>] warn_slowpath_common+0x6e/0xb0
[<c0244403>] warn_slowpath_null+0x13/0x20
[<e2db5497>] wdev_cleanup_work+0xb7/0xe0 [cfg80211]
[<c025cfa9>] run_workqueue+0x79/0x170
[<c025d123>] worker_thread+0x83/0xe0
[<c025fef4>] kthread+0x74/0x80
[<c0203826>] kernel_thread_helper+0x6/0x10
---[ end trace 3f0348b3b0c6f4ff ]---
Reported by: Giacomo Comes <comes@naic.edu>
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/orinoco/main.c | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/orinoco/scan.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/orinoco/scan.h | 1 |
3 files changed, 14 insertions, 7 deletions
diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c index e8e2d0f4763d..fa0cf744958f 100644 --- a/drivers/net/wireless/orinoco/main.c +++ b/drivers/net/wireless/orinoco/main.c @@ -1392,10 +1392,9 @@ static void orinoco_process_scan_results(struct work_struct *work) orinoco_add_hostscan_results(priv, buf, len); kfree(buf); - } else if (priv->scan_request) { + } else { /* Either abort or complete the scan */ - cfg80211_scan_done(priv->scan_request, (len < 0)); - priv->scan_request = NULL; + orinoco_scan_done(priv, (len < 0)); } spin_lock_irqsave(&priv->scan_lock, flags); @@ -1684,6 +1683,8 @@ static int __orinoco_down(struct orinoco_private *priv) hermes_write_regn(hw, EVACK, 0xffff); } + orinoco_scan_done(priv, true); + /* firmware will have to reassociate */ netif_carrier_off(dev); priv->last_linkstatus = 0xffff; @@ -1762,10 +1763,7 @@ void orinoco_reset(struct work_struct *work) orinoco_unlock(priv, &flags); /* Scanning support: Notify scan cancellation */ - if (priv->scan_request) { - cfg80211_scan_done(priv->scan_request, 1); - priv->scan_request = NULL; - } + orinoco_scan_done(priv, true); if (priv->hard_reset) { err = (*priv->hard_reset)(priv); diff --git a/drivers/net/wireless/orinoco/scan.c b/drivers/net/wireless/orinoco/scan.c index 4300d9db7d8c..86cb54c842e7 100644 --- a/drivers/net/wireless/orinoco/scan.c +++ b/drivers/net/wireless/orinoco/scan.c @@ -229,3 +229,11 @@ void orinoco_add_hostscan_results(struct orinoco_private *priv, priv->scan_request = NULL; } } + +void orinoco_scan_done(struct orinoco_private *priv, bool abort) +{ + if (priv->scan_request) { + cfg80211_scan_done(priv->scan_request, abort); + priv->scan_request = NULL; + } +} diff --git a/drivers/net/wireless/orinoco/scan.h b/drivers/net/wireless/orinoco/scan.h index 2dc4e046dbdb..27281fb0a6dc 100644 --- a/drivers/net/wireless/orinoco/scan.h +++ b/drivers/net/wireless/orinoco/scan.h @@ -16,5 +16,6 @@ void orinoco_add_extscan_result(struct orinoco_private *priv, void orinoco_add_hostscan_results(struct orinoco_private *dev, unsigned char *buf, size_t len); +void orinoco_scan_done(struct orinoco_private *priv, bool abort); #endif /* _ORINOCO_SCAN_H_ */ |
