* [PATCH v1 19/19] net/mlx4: Fix error check for dma_map_sg
[not found] <20220819060801.10443-1-jinpu.wang@ionos.com>
@ 2022-08-19 6:08 ` Jack Wang
2022-08-21 11:42 ` Leon Romanovsky
2022-08-22 18:20 ` Jakub Kicinski
0 siblings, 2 replies; 4+ messages in thread
From: Jack Wang @ 2022-08-19 6:08 UTC (permalink / raw)
To: linux-kernel
Cc: Tariq Toukan, David S. Miller, Eric Dumazet, Jakub Kicinski,
Paolo Abeni, netdev, linux-rdma
dma_map_sg return 0 on error.
Cc: Tariq Toukan <tariqt@nvidia.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org
Cc: linux-rdma@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
---
drivers/net/ethernet/mellanox/mlx4/icm.c | 4 ++--
1 file 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;
}
--
2.34.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v1 19/19] net/mlx4: Fix error check for dma_map_sg
2022-08-19 6:08 ` [PATCH v1 19/19] net/mlx4: Fix error check for dma_map_sg Jack Wang
@ 2022-08-21 11:42 ` Leon Romanovsky
2022-08-22 18:20 ` Jakub Kicinski
1 sibling, 0 replies; 4+ messages in thread
From: Leon Romanovsky @ 2022-08-21 11:42 UTC (permalink / raw)
To: Jack Wang
Cc: linux-kernel, Tariq Toukan, David S. Miller, Eric Dumazet,
Jakub Kicinski, Paolo Abeni, netdev, linux-rdma
On Fri, Aug 19, 2022 at 08:08:01AM +0200, Jack Wang wrote:
> dma_map_sg return 0 on error.
>
> Cc: Tariq Toukan <tariqt@nvidia.com>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Eric Dumazet <edumazet@google.com>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: Paolo Abeni <pabeni@redhat.com>
> Cc: netdev@vger.kernel.org
> Cc: linux-rdma@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
>
> Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
> ---
> drivers/net/ethernet/mellanox/mlx4/icm.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
Thanks,
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v1 19/19] net/mlx4: Fix error check for dma_map_sg
2022-08-19 6:08 ` [PATCH v1 19/19] net/mlx4: Fix error check for dma_map_sg Jack Wang
2022-08-21 11:42 ` Leon Romanovsky
@ 2022-08-22 18:20 ` Jakub Kicinski
2022-08-24 14:39 ` Jinpu Wang
1 sibling, 1 reply; 4+ messages in thread
From: Jakub Kicinski @ 2022-08-22 18:20 UTC (permalink / raw)
To: Jack Wang
Cc: linux-kernel, Tariq Toukan, David S. Miller, Eric Dumazet,
Paolo Abeni, netdev, linux-rdma
On Fri, 19 Aug 2022 08:08:01 +0200 Jack Wang wrote:
> dma_map_sg return 0 on error.
You need to resend it as an individual patch, not part of a series if
you want it to be applied to the networking tree. Please keep Leon's
review tag.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v1 19/19] net/mlx4: Fix error check for dma_map_sg
2022-08-22 18:20 ` Jakub Kicinski
@ 2022-08-24 14:39 ` Jinpu Wang
0 siblings, 0 replies; 4+ messages in thread
From: Jinpu Wang @ 2022-08-24 14:39 UTC (permalink / raw)
To: Jakub Kicinski
Cc: linux-kernel, Tariq Toukan, David S. Miller, Eric Dumazet,
Paolo Abeni, netdev, linux-rdma
On Mon, Aug 22, 2022 at 8:20 PM Jakub Kicinski <kuba@kernel.org> wrote:
>
> On Fri, 19 Aug 2022 08:08:01 +0200 Jack Wang wrote:
> > dma_map_sg return 0 on error.
>
> You need to resend it as an individual patch, not part of a series if
> you want it to be applied to the networking tree. Please keep Leon's
> review tag.
Got it. Will do
^ permalink raw reply [flat|nested] 4+ messages in thread
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2022-08-19 6:08 ` [PATCH v1 19/19] net/mlx4: Fix error check for dma_map_sg Jack Wang
2022-08-21 11:42 ` Leon Romanovsky
2022-08-22 18:20 ` Jakub Kicinski
2022-08-24 14:39 ` Jinpu Wang
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