diff options
| author | Divy Le Ray <divy@chelsio.com> | 2009-11-17 16:38:28 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-18 05:11:14 -0800 |
| commit | 70e3bb504ccfe6ba725ab120bdb516d205d834f9 (patch) | |
| tree | 901ee7ceb689f00d9fc899b45e1eefb1a238dcfe /drivers/net/cxgb3/sge.c | |
| parent | 4acc5a8eb42c3a5a7df570face5f03fb37fff349 (diff) | |
| download | linux-70e3bb504ccfe6ba725ab120bdb516d205d834f9.tar.gz linux-70e3bb504ccfe6ba725ab120bdb516d205d834f9.tar.bz2 linux-70e3bb504ccfe6ba725ab120bdb516d205d834f9.zip | |
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: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/cxgb3/sge.c')
| -rw-r--r-- | drivers/net/cxgb3/sge.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index f86612857a73..6366061712f4 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -879,7 +879,7 @@ recycle: 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, |