Date:   Wed, 8 Feb 2023 21:16:58 +0100
From:   Stanislaw Gruszka <stf_xl@wp.pl>
To:     Jiasheng Jiang <jiasheng@iscas.ac.cn>
Cc:     kvalo@kernel.org, davem@davemloft.net, edumazet@google.com,
        kuba@kernel.org, pabeni@redhat.com, linux-wireless@vger.kernel.org,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] iwl4965: Add missing check for
 create_singlethread_workqueue
Message-ID: <20230208201658.GA1435569@wp.pl>
References: <20230208063032.42763-1-jiasheng@iscas.ac.cn>
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In-Reply-To: <20230208063032.42763-1-jiasheng@iscas.ac.cn>
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On Wed, Feb 08, 2023 at 02:30:31PM +0800, Jiasheng Jiang wrote:
> Add the check for the return value of the create_singlethread_workqueue
> in order to avoid NULL pointer dereference.
> 
> Fixes: b481de9ca074 ("[IWLWIFI]: add iwlwifi wireless drivers")
> Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>

>  static void
> @@ -6618,7 +6622,11 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
>  		goto out_disable_msi;
>  	}
>  
> -	il4965_setup_deferred_work(il);
> +	err = il4965_setup_deferred_work(il);
> +	if (err) {
> +		goto out_free_irq;
> +	}

{} not needded.