linux-kernel - Re: [PATCH v2 2/4] net: airoha: Fix an error handling path in airoha

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Message-ID: <aBzJZCIvE9u_IAM-@lore-desk>
Date: Thu, 8 May 2025 17:10:28 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2 2/4] net: airoha: Fix an error handling path in
 airoha_probe()

> If an error occurs after a successful airoha_hw_init() call,
> airoha_ppe_deinit() needs to be called as already done in the remove
> function.
> 
> Fixes: 00a7678310fe ("net: airoha: Introduce flowtable offload support")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> Changes in v2:
>   - Call airoha_ppe_init() at the right place in the error handling path
>     of the probe   [Lorenzo Bianconi]
> 
> Compile tested only.
> ---
>  drivers/net/ethernet/airoha/airoha_eth.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/airoha/airoha_eth.c b/drivers/net/ethernet/airoha/airoha_eth.c
> index af8c4015938c..d435179875df 100644
> --- a/drivers/net/ethernet/airoha/airoha_eth.c
> +++ b/drivers/net/ethernet/airoha/airoha_eth.c
> @@ -2967,6 +2967,7 @@ static int airoha_probe(struct platform_device *pdev)
>  error_napi_stop:
>  	for (i = 0; i < ARRAY_SIZE(eth->qdma); i++)
>  		airoha_qdma_stop_napi(&eth->qdma[i]);
> +	airoha_ppe_init(eth);

it was actually a typo in my previous email but this should be clearly
airoha_ppe_deinit().

Regards,
Lorenzo

>  error_hw_cleanup:
>  	for (i = 0; i < ARRAY_SIZE(eth->qdma); i++)
>  		airoha_hw_cleanup(&eth->qdma[i]);
> -- 
> 2.49.0
> 

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