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IB/ipoib: Set IPOIB_NEIGH_TBL_FLUSH after flushed completion initialization

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Set IPOIB_NEIGH_TBL_FLUSH bit after initializing the neighbor
flushed completion, otherwise the garbage collector may signal
a completion while it is not initialized yet.

Fixes: b63b70d877 ("IPoIB: Use a private hash table for path lookup in xmit path")
Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Feras Daoud 2017-07-16 11:33:01 +03:00 committed by Leon Romanovsky
parent 11f74b4035
commit d2e46fccc3
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/ulp/ipoib/ipoib_main.c
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@ -1560,6 +1560,7 @@ static void ipoib_flush_neighs(struct ipoib_dev_priv *priv)
int i, wait_flushed = 0;
init_completion(&priv->ntbl.flushed);
set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags);
spin_lock_irqsave(&priv->lock, flags);
@ -1604,7 +1605,6 @@ static void ipoib_neigh_hash_uninit(struct net_device *dev)
ipoib_dbg(priv, "ipoib_neigh_hash_uninit\n");
init_completion(&priv->ntbl.deleted);
set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags);
/* Stop GC if called at init fail need to cancel work */
stopped = test_and_set_bit(IPOIB_STOP_NEIGH_GC, &priv->flags);