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* [PATCH] sfc: Use swap() instead of open coding it
@ 2022-01-05 15:22 Jiapeng Chong
  2022-01-06  9:02 ` Martin Habets
  2022-01-06 12:50 ` patchwork-bot+netdevbpf
  0 siblings, 2 replies; 3+ messages in thread
From: Jiapeng Chong @ 2022-01-05 15:22 UTC (permalink / raw)
  To: ecree.xilinx
  Cc: habetsm.xilinx, davem, kuba, ast, daniel, hawk, john.fastabend,
	netdev, linux-kernel, bpf, Jiapeng Chong, Abaci Robot

Clean the following coccicheck warning:

./drivers/net/ethernet/sfc/efx_channels.c:870:36-37: WARNING opportunity
for swap().

./drivers/net/ethernet/sfc/efx_channels.c:824:36-37: WARNING opportunity
for swap().

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
 drivers/net/ethernet/sfc/efx_channels.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c
index b015d1f2e204..ead550ae2709 100644
--- a/drivers/net/ethernet/sfc/efx_channels.c
+++ b/drivers/net/ethernet/sfc/efx_channels.c
@@ -819,11 +819,8 @@ int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries)
 	old_txq_entries = efx->txq_entries;
 	efx->rxq_entries = rxq_entries;
 	efx->txq_entries = txq_entries;
-	for (i = 0; i < efx->n_channels; i++) {
-		channel = efx->channel[i];
-		efx->channel[i] = other_channel[i];
-		other_channel[i] = channel;
-	}
+	for (i = 0; i < efx->n_channels; i++)
+		swap(efx->channel[i], other_channel[i]);
 
 	/* Restart buffer table allocation */
 	efx->next_buffer_table = next_buffer_table;
@@ -865,11 +862,8 @@ int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries)
 	/* Swap back */
 	efx->rxq_entries = old_rxq_entries;
 	efx->txq_entries = old_txq_entries;
-	for (i = 0; i < efx->n_channels; i++) {
-		channel = efx->channel[i];
-		efx->channel[i] = other_channel[i];
-		other_channel[i] = channel;
-	}
+	for (i = 0; i < efx->n_channels; i++)
+		swap(efx->channel[i], other_channel[i]);
 	goto out;
 }
 
-- 
2.20.1.7.g153144c


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] sfc: Use swap() instead of open coding it
  2022-01-05 15:22 [PATCH] sfc: Use swap() instead of open coding it Jiapeng Chong
@ 2022-01-06  9:02 ` Martin Habets
  2022-01-06 12:50 ` patchwork-bot+netdevbpf
  1 sibling, 0 replies; 3+ messages in thread
From: Martin Habets @ 2022-01-06  9:02 UTC (permalink / raw)
  To: Jiapeng Chong
  Cc: ecree.xilinx, davem, kuba, ast, daniel, hawk, john.fastabend,
	netdev, linux-kernel, bpf, Abaci Robot

On Wed, Jan 05, 2022 at 11:22:37PM +0800, Jiapeng Chong wrote:
> Clean the following coccicheck warning:
> 
> ./drivers/net/ethernet/sfc/efx_channels.c:870:36-37: WARNING opportunity
> for swap().
> 
> ./drivers/net/ethernet/sfc/efx_channels.c:824:36-37: WARNING opportunity
> for swap().
> 
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

Acked-by: Martin Habets <habetsm.xilinx@gmail.com>

> ---
>  drivers/net/ethernet/sfc/efx_channels.c | 14 ++++----------
>  1 file changed, 4 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c
> index b015d1f2e204..ead550ae2709 100644
> --- a/drivers/net/ethernet/sfc/efx_channels.c
> +++ b/drivers/net/ethernet/sfc/efx_channels.c
> @@ -819,11 +819,8 @@ int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries)
>  	old_txq_entries = efx->txq_entries;
>  	efx->rxq_entries = rxq_entries;
>  	efx->txq_entries = txq_entries;
> -	for (i = 0; i < efx->n_channels; i++) {
> -		channel = efx->channel[i];
> -		efx->channel[i] = other_channel[i];
> -		other_channel[i] = channel;
> -	}
> +	for (i = 0; i < efx->n_channels; i++)
> +		swap(efx->channel[i], other_channel[i]);
>  
>  	/* Restart buffer table allocation */
>  	efx->next_buffer_table = next_buffer_table;
> @@ -865,11 +862,8 @@ int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries)
>  	/* Swap back */
>  	efx->rxq_entries = old_rxq_entries;
>  	efx->txq_entries = old_txq_entries;
> -	for (i = 0; i < efx->n_channels; i++) {
> -		channel = efx->channel[i];
> -		efx->channel[i] = other_channel[i];
> -		other_channel[i] = channel;
> -	}
> +	for (i = 0; i < efx->n_channels; i++)
> +		swap(efx->channel[i], other_channel[i]);
>  	goto out;
>  }
>  
> -- 
> 2.20.1.7.g153144c

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] sfc: Use swap() instead of open coding it
  2022-01-05 15:22 [PATCH] sfc: Use swap() instead of open coding it Jiapeng Chong
  2022-01-06  9:02 ` Martin Habets
@ 2022-01-06 12:50 ` patchwork-bot+netdevbpf
  1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-01-06 12:50 UTC (permalink / raw)
  To: Jiapeng Chong
  Cc: ecree.xilinx, habetsm.xilinx, davem, kuba, ast, daniel, hawk,
	john.fastabend, netdev, linux-kernel, bpf, abaci

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@davemloft.net>:

On Wed,  5 Jan 2022 23:22:37 +0800 you wrote:
> Clean the following coccicheck warning:
> 
> ./drivers/net/ethernet/sfc/efx_channels.c:870:36-37: WARNING opportunity
> for swap().
> 
> ./drivers/net/ethernet/sfc/efx_channels.c:824:36-37: WARNING opportunity
> for swap().
> 
> [...]

Here is the summary with links:
  - sfc: Use swap() instead of open coding it
    https://git.kernel.org/netdev/net-next/c/0cf765fb00ce

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 3+ messages in thread

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2022-01-05 15:22 [PATCH] sfc: Use swap() instead of open coding it Jiapeng Chong
2022-01-06  9:02 ` Martin Habets
2022-01-06 12:50 ` patchwork-bot+netdevbpf

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