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Date: Sat, 16 Mar 2013 11:32:05 +0100 From: Christoph Paasch <christoph.paasch@...ouvain.be> To: Jeff Kirsher <jeffrey.t.kirsher@...el.com>, Bruce Allan <bruce.w.allan@...el.com>, Alex Duyck <alexander.h.duyck@...el.com> Cc: e1000-devel@...ts.sourceforge.net, netdev@...r.kernel.org, David Miller <davem@...emloft.net> Subject: [PATCH 3/3] 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@...ouvain.be> --- drivers/net/ethernet/intel/e1000e/netdev.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 142ca39..5706dcd 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -846,11 +846,16 @@ 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); -- 1.8.1.227.g44fe835 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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