diff options
Diffstat (limited to 'drivers/net/wireless/b43/main.c')
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index b8e77751065..6c3d9ea0a9f 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -4271,7 +4271,9 @@ static void b43_chip_reset(struct work_struct *work) goto out; } } - out: +out: + if (err) + wl->current_dev = NULL; /* Failed to init the dev. */ mutex_unlock(&wl->mutex); if (err) b43err(wl, "Controller restart FAILED\n"); @@ -4412,9 +4414,11 @@ static void b43_one_core_detach(struct ssb_device *dev) struct b43_wldev *wldev; struct b43_wl *wl; + /* Do not cancel ieee80211-workqueue based work here. + * See comment in b43_remove(). */ + wldev = ssb_get_drvdata(dev); wl = wldev->wl; - cancel_work_sync(&wldev->restart_work); b43_debugfs_remove_device(wldev); b43_wireless_core_detach(wldev); list_del(&wldev->list); @@ -4599,6 +4603,10 @@ static void b43_remove(struct ssb_device *dev) struct b43_wl *wl = ssb_get_devtypedata(dev); struct b43_wldev *wldev = ssb_get_drvdata(dev); + /* We must cancel any work here before unregistering from ieee80211, + * as the ieee80211 unreg will destroy the workqueue. */ + cancel_work_sync(&wldev->restart_work); + B43_WARN_ON(!wl); if (wl->current_dev == wldev) ieee80211_unregister_hw(wl->hw); |