linux-kernel - Re: [PATCH net] igc: Unlock on error in igc_io

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Message-ID: <23021c75-3dcb-404c-bf79-cef583f4600a@engleder-embedded.com>
Date: Thu, 29 Aug 2024 21:26:58 +0200
From: Gerhard Engleder <gerhard@...leder-embedded.com>
To: Dan Carpenter <dan.carpenter@...aro.org>,
 Sasha Neftin <sasha.neftin@...el.com>
Cc: Tony Nguyen <anthony.l.nguyen@...el.com>,
 Przemek Kitszel <przemyslaw.kitszel@...el.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net] igc: Unlock on error in igc_io_resume()

On 29.08.24 21:22, Dan Carpenter wrote:
> Call rtnl_unlock() on this error path, before returning.
> 
> Fixes: bc23aa949aeb ("igc: Add pcie error handler support")
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
> ---
>   drivers/net/ethernet/intel/igc/igc_main.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
> index dfd6c00b4205..0a095cdea4fb 100644
> --- a/drivers/net/ethernet/intel/igc/igc_main.c
> +++ b/drivers/net/ethernet/intel/igc/igc_main.c
> @@ -7413,6 +7413,7 @@ static void igc_io_resume(struct pci_dev *pdev)
>   	rtnl_lock();
>   	if (netif_running(netdev)) {
>   		if (igc_open(netdev)) {
> +			rtnl_unlock();
>   			netdev_err(netdev, "igc_open failed after reset\n");
>   			return;
>   		}

Reviewed-by: Gerhard Engleder <gerhard@...leder-embedded.com>