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IB/hifi1: add a null check of kzalloc_node in hfi1_ipoib_txreq_init
author
Kang Chen
<void0red@gmail.com>
Mon, 27 Feb 2023 10:02:12 +0000
(18:02 +0800)
committer
Leon Romanovsky
<leon@kernel.org>
Mon, 13 Mar 2023 11:51:28 +0000
(13:51 +0200)
kzalloc_node may fails, check it and do the cleanup.
Fixes:
b1151b74ff68
("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>
drivers/infiniband/hw/hfi1/ipoib_tx.c
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diff --git
a/drivers/infiniband/hw/hfi1/ipoib_tx.c
b/drivers/infiniband/hw/hfi1/ipoib_tx.c
index
5d9a7b0
..
349eb41
100644
(file)
--- a/
drivers/infiniband/hw/hfi1/ipoib_tx.c
+++ b/
drivers/infiniband/hw/hfi1/ipoib_tx.c
@@
-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.avail = hfi1_ipoib_ring_hwat(txq);
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 =
kzalloc_node(sizeof(*tx->sdma_hdr),
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);
}