gve: Check TX QPL was actually assigned

[ Upstream commit 5aec55b46c6238506cdf0c60cd0e42ab77a1e5e0 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Catherine Sullivan 2021-05-17 14:08:11 -07:00 committed by Greg Kroah-Hartman
parent 37d6977599
commit 13c4d89861

View File

@ -207,10 +207,12 @@ static int gve_tx_alloc_ring(struct gve_priv *priv, int idx)
goto abort_with_info;
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 =
dma_alloc_coherent(hdev,
@ -229,6 +231,8 @@ static int gve_tx_alloc_ring(struct gve_priv *priv, int idx)
abort_with_fifo:
gve_tx_fifo_release(priv, &tx->tx_fifo);
abort_with_qpl:
gve_unassign_qpl(priv, tx->tx_fifo.qpl->id);
abort_with_desc:
dma_free_coherent(hdev, bytes, tx->desc, tx->bus);
tx->desc = NULL;