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authorCatherine Sullivan <csully@google.com>2021-05-17 14:08:11 -0700
committerDavid S. Miller <davem@davemloft.net>2021-05-17 15:38:40 -0700
commit5aec55b46c6238506cdf0c60cd0e42ab77a1e5e0 (patch)
treee9e8908cfb2586b89a1a39b7726cbb937c3d4981
parentnetlink: disable IRQs for netlink_lock_table() (diff)
downloadwireguard-linux-5aec55b46c6238506cdf0c60cd0e42ab77a1e5e0.tar.xz
wireguard-linux-5aec55b46c6238506cdf0c60cd0e42ab77a1e5e0.zip
gve: Check TX QPL was actually assigned
Correctly check the TX QPL was assigned and unassigned if other steps in the allocation fail. Fixes: f5cedc84a30d (gve: Add transmit and receive support) Signed-off-by: Catherine Sullivan <csully@google.com> Signed-off-by: David Awogbemila <awogbemila@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/google/gve/gve_tx.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_tx.c b/drivers/net/ethernet/google/gve/gve_tx.c
index 6938f3a939d6..bb57c42872b4 100644
--- a/drivers/net/ethernet/google/gve/gve_tx.c
+++ b/drivers/net/ethernet/google/gve/gve_tx.c
@@ -212,10 +212,11 @@ static int gve_tx_alloc_ring(struct gve_priv *priv, int idx)
tx->dev = &priv->pdev->dev;
if (!tx->raw_addressing) {
tx->tx_fifo.qpl = gve_assign_tx_qpl(priv);
-
+ if (!tx->tx_fifo.qpl)
+ goto abort_with_desc;
/* map Tx FIFO */
if (gve_tx_fifo_init(priv, &tx->tx_fifo))
- goto abort_with_desc;
+ goto abort_with_qpl;
}
tx->q_resources =
@@ -236,6 +237,9 @@ static int gve_tx_alloc_ring(struct gve_priv *priv, int idx)
abort_with_fifo:
if (!tx->raw_addressing)
gve_tx_fifo_release(priv, &tx->tx_fifo);
+abort_with_qpl:
+ if (!tx->raw_addressing)
+ gve_unassign_qpl(priv, tx->tx_fifo.qpl->id);
abort_with_desc:
dma_free_coherent(hdev, bytes, tx->desc, tx->bus);
tx->desc = NULL;