Commit 5988b63a authored by Ben Hutchings's avatar Ben Hutchings Committed by Jeff Garzik
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sfc: Don't leak PCI DMA maps in the TSO code when the queue fills up 



Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent b9aafb0e

drivers/net/sfc/tx.c

+5 −0
Original line number Diff line number Diff line
@@ -1096,6 +1096,11 @@ static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue, 
		efx_stop_queue(tx_queue->efx);



 unwind:

	/* Free the DMA mapping we were in the process of writing out */

	if (state.ifc.unmap_len)

		pci_unmap_page(tx_queue->efx->pci_dev, state.ifc.unmap_addr,

			       state.ifc.unmap_len, PCI_DMA_TODEVICE);



	efx_enqueue_unwind(tx_queue);

	return rc2;

}