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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-04-17 17:24:35 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-04-17 17:24:35 +0400
commit753e23ea588d353da9d0a2672828336453607265 (patch)
treea0eb4875ecde41725fe890e27f52d69812031ea1 /drivers/net/ethernet/intel/e1000e/netdev.c
parentc999836d37c6c1125e856f68877ae13952baa61a (diff)
parent41ef2d5678d83af030125550329b6ae8b74618fa (diff)
downloadlinux-753e23ea588d353da9d0a2672828336453607265.tar.xz
Merge tag 'v3.9-rc7' into asoc-dma
Linux 3.9-rc7
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/netdev.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c7
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);