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IPoIB: protect child list in ipoib_ib_dev_flush 

race condition: ipoib_ib_dev_flush is accessing child list without locks.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Michael S. Tsirkin 2005-11-29 10:53:30 -08:00 committed by Roland Dreier
parent 2e86541ec8
commit 4f71055a45
1 changed files with 4 additions and 0 deletions
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4
drivers/infiniband/ulp/ipoib/ipoib_ib.c
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@ -608,9 +608,13 @@ void ipoib_ib_dev_flush(void *_dev)
if (test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
ipoib_ib_dev_up(dev);
down(&priv->vlan_mutex);
/* Flush any child interfaces too */
list_for_each_entry(cpriv, &priv->child_intfs, list)
ipoib_ib_dev_flush(&cpriv->dev);
up(&priv->vlan_mutex);
}
void ipoib_ib_dev_cleanup(struct net_device *dev)