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| author | Jack Wang <jinpu.wang@ionos.com> | 2022-08-25 08:35:33 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-08-26 17:29:50 -0700 |
| commit | 0c1f77d87d699346f8e8a4874692eb82cbcf9c65 (patch) | |
| tree | b32102ee1590dcd93979a2dcb43f51b94a8e8241 | |
| parent | 6005a8aecee8afeba826295321a612ab485c230e (diff) | |
| download | linux-0c1f77d87d699346f8e8a4874692eb82cbcf9c65.tar.gz linux-0c1f77d87d699346f8e8a4874692eb82cbcf9c65.tar.bz2 linux-0c1f77d87d699346f8e8a4874692eb82cbcf9c65.zip | |
net/mlx4: Fix error check for dma_map_sg
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>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/icm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c index d89a3da89e5a..59b8b3c73582 100644 --- 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; } |