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authorFeras Daoud <ferasda@mellanox.com>2017-07-16 11:33:01 +0300
committerLeon Romanovsky <leon@kernel.org>2017-07-23 09:45:11 +0300
commitd2e46fccc3e3d73a741efe433f00960331280696 (patch)
treec6b1757b8a42d42ea95bd0f680bb3eeca067eb0b /drivers/infiniband
parent11f74b40359b19f760964e71d04882a6caf530cc (diff)
downloadlinux-d2e46fccc3e3d73a741efe433f00960331280696.tar.xz
IB/ipoib: Set IPOIB_NEIGH_TBL_FLUSH after flushed completion initialization
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: b63b70d87741 ("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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 8b7ec15a9d6e..f4403c52cd67 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -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);