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Subject[PATCH] IB/hifi1: add a null check of kzalloc_node in hfi1_ipoib_txreq_init
Date
From: Kang Chen <void0red@gmail.com>

kzalloc_node may fails, check it and do the cleanup.

Signed-off-by: Kang Chen <void0red@gmail.com>
---
drivers/infiniband/hw/hfi1/ipoib_tx.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hfi1/ipoib_tx.c b/drivers/infiniband/hw/hfi1/ipoib_tx.c
index 5d9a7b09c..349eb4139 100644
--- 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);
}
--
2.34.1
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