diff mbox series

net/mlx4: Fix error check for dma_map_sg

Message ID 20220825063533.21015-1-jinpu.wang@ionos.com (mailing list archive)
State Accepted
Commit 0c1f77d87d699346f8e8a4874692eb82cbcf9c65
Delegated to: Netdev Maintainers
Headers show
Series net/mlx4: Fix error check for dma_map_sg | expand

Checks

Context Check Description
netdev/tree_selection success Guessed tree name to be net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix warning Target tree name not specified in the subject
netdev/cover_letter success Single patches do not need cover letters
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 85 this patch: 85
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 85 this patch: 85
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 16 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Jinpu Wang Aug. 25, 2022, 6:35 a.m. UTC 
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>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx4/icm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

patchwork-bot+netdevbpf@kernel.org Aug. 27, 2022, 12:40 a.m. UTC | #1 
Hello:

This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Thu, 25 Aug 2022 08:35:33 +0200 you 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
> 
> [...]

Here is the summary with links:
  - net/mlx4: Fix error check for dma_map_sg
    https://git.kernel.org/netdev/net-next/c/0c1f77d87d69

You are awesome, thank you!
diff mbox series

Patch

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;
 	}