Commit 70e3bb50 authored by Divy Le Ray's avatar Divy Le Ray Committed by David S. Miller
Browse files

cxgb3: fix premature page unmap 



unmap Rx page only when guaranteed that this page won't be
used anymore to allocate rx page chunks.

Signed-off-by: default avatarDivy Le Ray <divy@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4acc5a8e

drivers/net/cxgb3/sge.c

+2 −2
Original line number Diff line number Diff line
@@ -879,7 +879,7 @@ static struct sk_buff *get_packet_pg(struct adapter *adap, struct sge_fl *fl, 
	pci_dma_sync_single_for_cpu(adap->pdev, dma_addr, len,

				    PCI_DMA_FROMDEVICE);

	(*sd->pg_chunk.p_cnt)--;

	if (!*sd->pg_chunk.p_cnt)

	if (!*sd->pg_chunk.p_cnt && sd->pg_chunk.page != fl->pg_chunk.page)

		pci_unmap_page(adap->pdev,

			       sd->pg_chunk.mapping,

			       fl->alloc_size,
@@ -2088,7 +2088,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs, 
				    PCI_DMA_FROMDEVICE);



	(*sd->pg_chunk.p_cnt)--;

	if (!*sd->pg_chunk.p_cnt)

	if (!*sd->pg_chunk.p_cnt && sd->pg_chunk.page != fl->pg_chunk.page)

		pci_unmap_page(adap->pdev,

			       sd->pg_chunk.mapping,

			       fl->alloc_size,