From: Kang Chen void0red@gmail.com
[ Upstream commit c874ad879c2f29ebe040a34b974389875c0d81eb ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- 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 5d9a7b09ca37e..349eb41391368 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); }