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authoralex.bluesman.smirnov@gmail.com <alex.bluesman.smirnov@gmail.com>2012-04-25 23:24:57 +0000
committerDavid S. Miller <davem@davemloft.net>2012-04-26 05:32:55 -0400
commit8deff4af8745561efd2be34ee30cc57a6f0107c6 (patch)
treed2b3aaa6d55258ff020687c50d4122e6aebef963 /net
parent0848e4043014631d792a66266d6d7d64a7f21da5 (diff)
6lowpan: clean up fragments list if module unloaded
Clean all the pending fragments and relative timers if 6lowpan link is going to be deleted. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ieee802154/6lowpan.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index f6b169439b5b..b3021f765204 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -1177,11 +1177,20 @@ static void lowpan_dellink(struct net_device *dev, struct list_head *head)
{
struct lowpan_dev_info *lowpan_dev = lowpan_dev_info(dev);
struct net_device *real_dev = lowpan_dev->real_dev;
- struct lowpan_dev_record *entry;
- struct lowpan_dev_record *tmp;
+ struct lowpan_dev_record *entry, *tmp;
+ struct lowpan_fragment *frame, *tframe;
ASSERT_RTNL();
+ spin_lock(&flist_lock);
+ list_for_each_entry_safe(frame, tframe, &lowpan_fragments, list) {
+ del_timer(&frame->timer);
+ list_del(&frame->list);
+ dev_kfree_skb(frame->skb);
+ kfree(frame);
+ }
+ spin_unlock(&flist_lock);
+
mutex_lock(&lowpan_dev_info(dev)->dev_list_mtx);
list_for_each_entry_safe(entry, tmp, &lowpan_devices, list) {
if (entry->ldev == dev) {