From: Stefano Panella Date: Tue, 23 Dec 2008 12:31:09 +0000 (+0000) Subject: uwb: remove beacon cache entry after calling uwb_notify() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3af373021fa32f8f787bfbdcc1a9277a287bde4e;p=linux-beck.git 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 Signed-off-by: David Vrabel --- 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;