linux-kernel - Re: [PATCH] net: qlogic: check the return value of dma_alloc_coherent() in qed_vf_hw

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Message-ID: <20220303211953.7d937dfc@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Thu, 3 Mar 2022 21:19:53 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Jia-Ju Bai <baijiaju1990@...il.com>
Cc:     aelior@...vell.com, manishc@...vell.com, davem@...emloft.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: qlogic: check the return value of
 dma_alloc_coherent() in qed_vf_hw_prepare()

On Wed,  2 Mar 2022 19:34:50 -0800 Jia-Ju Bai wrote:
> --- a/drivers/net/ethernet/qlogic/qed/qed_vf.c
> +++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c
> @@ -513,6 +513,9 @@ int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
>  						    p_iov->bulletin.size,
>  						    &p_iov->bulletin.phys,
>  						    GFP_KERNEL);
> +	if (!p_iov->bulletin.p_virt)
> +		goto free_vf2pf_request;

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