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* [PATCH v2] NFC: microread: Remove redundant assignment to variable err
@ 2021-06-01 13:35 Nigel Christian
  2021-06-01 13:41 ` Krzysztof Kozlowski
  2021-06-02  0:10 ` patchwork-bot+netdevbpf
  0 siblings, 2 replies; 3+ messages in thread
From: Nigel Christian @ 2021-06-01 13:35 UTC (permalink / raw)
  To: Krzysztof Kozlowski; +Cc: netdev, kernel-janitors

In the case MICROREAD_CB_TYPE_READER_ALL clang reports a dead code
warning. The error code assigned to variable err is already passed
to async_cb(). The assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Nigel Christian <nigel.l.christian@gmail.com>
---
 drivers/nfc/microread/microread.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/nfc/microread/microread.c b/drivers/nfc/microread/microread.c
index 8d3988457c58..b1d3975e8a81 100644
--- a/drivers/nfc/microread/microread.c
+++ b/drivers/nfc/microread/microread.c
@@ -364,7 +364,6 @@ static void microread_im_transceive_cb(void *context, struct sk_buff *skb,
 	case MICROREAD_CB_TYPE_READER_ALL:
 		if (err == 0) {
 			if (skb->len == 0) {
-				err = -EPROTO;
 				kfree_skb(skb);
 				info->async_cb(info->async_cb_context, NULL,
 					       -EPROTO);
-- 
2.31.1


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

* Re: [PATCH v2] NFC: microread: Remove redundant assignment to variable err
  2021-06-01 13:35 [PATCH v2] NFC: microread: Remove redundant assignment to variable err Nigel Christian
@ 2021-06-01 13:41 ` Krzysztof Kozlowski
  2021-06-02  0:10 ` patchwork-bot+netdevbpf
  1 sibling, 0 replies; 3+ messages in thread
From: Krzysztof Kozlowski @ 2021-06-01 13:41 UTC (permalink / raw)
  To: Nigel Christian; +Cc: netdev, kernel-janitors

On 01/06/2021 15:35, Nigel Christian wrote:
> In the case MICROREAD_CB_TYPE_READER_ALL clang reports a dead code
> warning. The error code assigned to variable err is already passed
> to async_cb(). The assignment is redundant and can be removed.
> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Nigel Christian <nigel.l.christian@gmail.com>
> ---
>  drivers/nfc/microread/microread.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/nfc/microread/microread.c b/drivers/nfc/microread/microread.c
> index 8d3988457c58..b1d3975e8a81 100644
> --- a/drivers/nfc/microread/microread.c
> +++ b/drivers/nfc/microread/microread.c
> @@ -364,7 +364,6 @@ static void microread_im_transceive_cb(void *context, struct sk_buff *skb,
>  	case MICROREAD_CB_TYPE_READER_ALL:
>  		if (err == 0) {
>  			if (skb->len == 0) {
> -				err = -EPROTO;
>  				kfree_skb(skb);
>  				info->async_cb(info->async_cb_context, NULL,
>  					       -EPROTO);
> 


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>

Best regards,
Krzysztof

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

* Re: [PATCH v2] NFC: microread: Remove redundant assignment to variable err
  2021-06-01 13:35 [PATCH v2] NFC: microread: Remove redundant assignment to variable err Nigel Christian
  2021-06-01 13:41 ` Krzysztof Kozlowski
@ 2021-06-02  0:10 ` patchwork-bot+netdevbpf
  1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-06-02  0:10 UTC (permalink / raw)
  To: Nigel Christian; +Cc: krzysztof.kozlowski, netdev, kernel-janitors

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Tue, 1 Jun 2021 09:35:33 -0400 you wrote:
> In the case MICROREAD_CB_TYPE_READER_ALL clang reports a dead code
> warning. The error code assigned to variable err is already passed
> to async_cb(). The assignment is redundant and can be removed.
> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Nigel Christian <nigel.l.christian@gmail.com>
> 
> [...]

Here is the summary with links:
  - [v2] NFC: microread: Remove redundant assignment to variable err
    https://git.kernel.org/netdev/net-next/c/e5432cc71ab6

You are awesome, thank you!
--
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^ permalink raw reply	[flat|nested] 3+ messages in thread

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2021-06-01 13:35 [PATCH v2] NFC: microread: Remove redundant assignment to variable err Nigel Christian
2021-06-01 13:41 ` Krzysztof Kozlowski
2021-06-02  0:10 ` patchwork-bot+netdevbpf

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