diff options
| author | Christoph Paasch <christoph.paasch@uclouvain.be> | 2013-03-20 08:59:46 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2013-03-27 03:26:27 -0700 |
| commit | 37287fae7e4506fb0822523587c769783164cdd6 (patch) | |
| tree | afd875026b95a73bc4aeb11915c0b02f93153b07 /drivers/net | |
| parent | 065946c65a61943b4c609a0a1b1bac6742b3b593 (diff) | |
e1000e: Add missing dma_mapping_error-call in e1000_alloc_jumbo_rx_buffers
After dma_map_page, dma_mapping_error must be called. It seems safe to
not free the skb/page allocated in this function, as the skb/page can be
reused later.
Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 948b86ffa4f0..7e615e2bf7e6 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -848,11 +848,16 @@ check_page: } } - if (!buffer_info->dma) + if (!buffer_info->dma) { buffer_info->dma = dma_map_page(&pdev->dev, buffer_info->page, 0, PAGE_SIZE, DMA_FROM_DEVICE); + if (dma_mapping_error(&pdev->dev, buffer_info->dma)) { + adapter->alloc_rx_buff_failed++; + break; + } + } rx_desc = E1000_RX_DESC_EXT(*rx_ring, i); rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma); |