diff options
author | Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2010-09-21 06:23:29 +0200 |
---|---|---|
committer | Luciano Coelho <luciano.coelho@nokia.com> | 2010-09-28 12:30:03 +0300 |
commit | 8c7f4f3166e16bb350bfc53955ea6cf9bfd34aab (patch) | |
tree | ec80e5620a4c54a50942049a7b4167b10813bbc9 /drivers/net/wireless/wl12xx/wl1271_event.c | |
parent | c454f1d9a896d3519c756355b37bb39941093233 (diff) |
wl1271: Fix work cancelling when shutting down the driver
The work cancelling has had several hazards, ranging from potentially
executing work after the driver is in OFF state, to executing work after
the driver and relevant memory structures are already removed.
Fix these.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_event.c')
-rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_event.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.c b/drivers/net/wireless/wl12xx/wl1271_event.c index bced8296a251..e6c839af9038 100644 --- a/drivers/net/wireless/wl12xx/wl1271_event.c +++ b/drivers/net/wireless/wl12xx/wl1271_event.c @@ -41,6 +41,9 @@ void wl1271_pspoll_work(struct work_struct *work) mutex_lock(&wl->mutex); + if (unlikely(wl->state == WL1271_STATE_OFF)) + goto out; + if (!test_and_clear_bit(WL1271_FLAG_PSPOLL_FAILURE, &wl->flags)) goto out; |