diff options
| author | Larry Finger <Larry.Finger@lwfinger.net> | 2014-01-12 15:11:39 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-06 11:08:14 -0800 |
| commit | a77ea51bef5bd8b9d13118e5804d9537d54432a0 (patch) | |
| tree | 6a3b7584730e3da6c11295a0459e1505be389c24 /drivers | |
| parent | 1a712907b90a5aad689e8757616537a506ba07f9 (diff) | |
b43legacy: Fix unload oops if firmware is not available
commit 452028665312672c6ba9e16a19248ee00ead9400 upstream.
The asyncronous firmware load uses a completion struct to hold firmware
processing until the user-space routines are up and running. There is.
however, a problem in that the waiter is nevered canceled during teardown.
As a result, unloading the driver when firmware is not available causes an oops.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43legacy/main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 57266882186..349c7760523 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -3919,6 +3919,7 @@ static void b43legacy_remove(struct ssb_device *dev) * as the ieee80211 unreg will destroy the workqueue. */ cancel_work_sync(&wldev->restart_work); cancel_work_sync(&wl->firmware_load); + complete(&wldev->fw_load_complete); B43legacy_WARN_ON(!wl); if (!wldev->fw.ucode) |