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authorXie Xiaobo <xiaobo.xie@nxp.com>2017-12-12 08:12:33 (GMT)
committerXie Xiaobo <xiaobo.xie@nxp.com>2017-12-12 08:12:33 (GMT)
commitc0246a9ec4d461ef4dd7647f94005380bb9e7f0b (patch)
tree7588601aa6ce98f5e9fd083a1b351d9023c0b295 /drivers/net/ethernet/mellanox/mlx4/icm.c
parent50fd1a6d79d48a7c35890aecce5a5d6b872a461d (diff)
parent56f4a560c6d6318b5a8e18a1b3e44909a5158d1e (diff)
downloadlinux-c0246a9ec4d461ef4dd7647f94005380bb9e7f0b.tar.xz
Merge Linaro linux 4.9.62 into linux-4.9
Signed-off-by: Xiaobo Xie <xiaobo.xie@nxp.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/icm.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/icm.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c
index 2a9dd46..e1f9e7c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/icm.c
+++ b/drivers/net/ethernet/mellanox/mlx4/icm.c
@@ -118,8 +118,13 @@ static int mlx4_alloc_icm_coherent(struct device *dev, struct scatterlist *mem,
if (!buf)
return -ENOMEM;
+ if (offset_in_page(buf)) {
+ dma_free_coherent(dev, PAGE_SIZE << order,
+ buf, sg_dma_address(mem));
+ return -ENOMEM;
+ }
+
sg_set_buf(mem, buf, PAGE_SIZE << order);
- BUG_ON(mem->offset);
sg_dma_len(mem) = PAGE_SIZE << order;
return 0;
}