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IB/hifi1: add a null check of kzalloc_node in hfi1_ipoib_txreq_init

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[ Upstream commit c874ad879c ]

kzalloc_node may fails, check it and do the cleanup.

Fixes: b1151b74ff ("IB/hfi1: Fix alloc failure with larger txqueuelen")
Signed-off-by: Kang Chen <void0red@gmail.com>
Link: https://lore.kernel.org/r/20230227100212.910820-1-void0red@gmail.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kang Chen
2023-02-27 18:02:12 +08:00
committed by Greg Kroah-Hartman
parent a2290ed2af
commit d7c8d32e5d
1 changed files with 4 additions and 1 deletions
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5
drivers/infiniband/hw/hfi1/ipoib_tx.c
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@@ -737,10 +737,13 @@ int hfi1_ipoib_txreq_init(struct hfi1_ipoib_dev_priv *priv)
txq->tx_ring.shift = ilog2(tx_item_size); txq->tx_ring.shift = ilog2(tx_item_size);
txq->tx_ring.avail = hfi1_ipoib_ring_hwat(txq); txq->tx_ring.avail = hfi1_ipoib_ring_hwat(txq);
tx_ring = &txq->tx_ring; tx_ring = &txq->tx_ring;
for (j = 0; j < tx_ring_size; j++) for (j = 0; j < tx_ring_size; j++) {
hfi1_txreq_from_idx(tx_ring, j)->sdma_hdr = hfi1_txreq_from_idx(tx_ring, j)->sdma_hdr =
kzalloc_node(sizeof(*tx->sdma_hdr), kzalloc_node(sizeof(*tx->sdma_hdr),
GFP_KERNEL, priv->dd->node); GFP_KERNEL, priv->dd->node);
if (!hfi1_txreq_from_idx(tx_ring, j)->sdma_hdr)
goto free_txqs;
}
netif_napi_add_tx(dev, &txq->napi, hfi1_ipoib_poll_tx_ring); netif_napi_add_tx(dev, &txq->napi, hfi1_ipoib_poll_tx_ring);
} }