diff options
| author | Stefano Panella <stefano.panella@csr.com> | 2008-12-23 12:31:09 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2008-12-23 12:31:09 +0000 |
| commit | 3af373021fa32f8f787bfbdcc1a9277a287bde4e (patch) | |
| tree | 916f0e22168e81e4ab2a28f30410238bac7e6ffa /drivers/uwb | |
| parent | a01777ecf227de735d7e525ecda48fe74b838a17 (diff) | |
| download | lwn-3af373021fa32f8f787bfbdcc1a9277a287bde4e.tar.gz lwn-3af373021fa32f8f787bfbdcc1a9277a287bde4e.zip | |
uwb: remove beacon cache entry after calling uwb_notify()
Removing the beacon cache entry from a uwb_dev can cause an oops if the
bce is released before the call to uwb_notify().
Signed-off-by: Stefano Panella <stefano.panella@csr.com>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Diffstat (limited to 'drivers/uwb')
| -rw-r--r-- | drivers/uwb/beacon.c | 2 | ||||
| -rw-r--r-- | drivers/uwb/lc-dev.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/uwb/beacon.c b/drivers/uwb/beacon.c index 0315093e2216..36bc3158006f 100644 --- a/drivers/uwb/beacon.c +++ b/drivers/uwb/beacon.c @@ -289,8 +289,6 @@ void uwb_beca_purge(struct uwb_rc *rc) expires = bce->ts_jiffies + msecs_to_jiffies(beacon_timeout_ms); if (time_after(jiffies, expires)) { uwbd_dev_offair(bce); - list_del(&bce->node); - uwb_bce_put(bce); } } mutex_unlock(&rc->uwb_beca.mutex); diff --git a/drivers/uwb/lc-dev.c b/drivers/uwb/lc-dev.c index f78087b85918..e9fe1bb7eb23 100644 --- a/drivers/uwb/lc-dev.c +++ b/drivers/uwb/lc-dev.c @@ -375,6 +375,8 @@ int __uwb_dev_offair(struct uwb_dev *uwb_dev, struct uwb_rc *rc) rc ? rc->uwb_dev.dev.parent->bus->name : "n/a", rc ? dev_name(rc->uwb_dev.dev.parent) : ""); uwb_dev_rm(uwb_dev); + list_del(&uwb_dev->bce->node); + uwb_bce_put(uwb_dev->bce); uwb_dev_put(uwb_dev); /* for the creation in _onair() */ return 0; |