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net/mlx4: Fix error check for dma_map_sg
author
Jack Wang
<jinpu.wang@ionos.com>
Thu, 25 Aug 2022 06:35:33 +0000
(08:35 +0200)
committer
Jakub Kicinski
<kuba@kernel.org>
Sat, 27 Aug 2022 00:29:50 +0000
(17:29 -0700)
dma_map_sg return 0 on error.
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link:
https://lore.kernel.org/r/20220825063533.21015-1-jinpu.wang@ionos.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/mellanox/mlx4/icm.c
patch
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blob
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diff --git
a/drivers/net/ethernet/mellanox/mlx4/icm.c
b/drivers/net/ethernet/mellanox/mlx4/icm.c
index
d89a3da
..
59b8b3c
100644
(file)
--- a/
drivers/net/ethernet/mellanox/mlx4/icm.c
+++ b/
drivers/net/ethernet/mellanox/mlx4/icm.c
@@
-208,7
+208,7
@@
struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages,
chunk->sg, chunk->npages,
DMA_BIDIRECTIONAL);
- if (
chunk->nsg <= 0
)
+ if (
!chunk->nsg
)
goto fail;
}
@@
-222,7
+222,7
@@
struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages,
chunk->nsg = dma_map_sg(&dev->persist->pdev->dev, chunk->sg,
chunk->npages, DMA_BIDIRECTIONAL);
- if (
chunk->nsg <= 0
)
+ if (
!chunk->nsg
)
goto fail;
}