diff options
| author |   Divy Le Ray <divy@chelsio.com> | 2009-03-12 21:13:49 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2009-03-13 11:30:43 -0700 |
| commit | 9bb2b31e6f87dba06b81429af91362a9127f5bf2 (patch) | |
| tree | 606f43f14468b125b876d53e67d941eb3b6f16ca /drivers/net/cxgb3 | |
| parent | cxgb3: ring rx door bell less frequently (diff) | |
| download | linux-dev-9bb2b31e6f87dba06b81429af91362a9127f5bf2.tar.xz linux-dev-9bb2b31e6f87dba06b81429af91362a9127f5bf2.zip | |
cxgb3: release page ref on mapping error
Release page chunk reference in case we fail to map it.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/cxgb3')
| -rw-r--r-- | drivers/net/cxgb3/sge.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 882beafeb74c..808b8af0c740 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -338,6 +338,18 @@ static inline int should_restart_tx(const struct sge_txq *q) return q->in_use - r < (q->size >> 1); } +static void clear_rx_desc(const struct sge_fl *q, struct rx_sw_desc *d) +{ + if (q->use_pages) { + if (d->pg_chunk.page) + put_page(d->pg_chunk.page); + d->pg_chunk.page = NULL; + } else { + kfree_skb(d->skb); + d->skb = NULL; + } +} + /** * free_rx_bufs - free the Rx buffers on an SGE free list * @pdev: the PCI device associated with the adapter @@ -355,14 +367,7 @@ static void free_rx_bufs(struct pci_dev *pdev, struct sge_fl *q) pci_unmap_single(pdev, pci_unmap_addr(d, dma_addr), q->buf_size, PCI_DMA_FROMDEVICE); - if (q->use_pages) { - if (d->pg_chunk.page) - put_page(d->pg_chunk.page); - d->pg_chunk.page = NULL; - } else { - kfree_skb(d->skb); - d->skb = NULL; - } + clear_rx_desc(q, d); if (++cidx == q->size) cidx = 0; } @@ -475,10 +480,7 @@ nomem: q->alloc_failed++; err = add_one_rx_buf(buf_start, q->buf_size, d, sd, q->gen, adap->pdev); if (unlikely(err)) { - if (!q->use_pages) { - kfree_skb(sd->skb); - sd->skb = NULL; - } + clear_rx_desc(q, sd); break; } |