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Message-ID: <24585602-11ef-4c08-8c56-56a70c1a971c@kadam.mountain>
Date: Thu, 19 Oct 2023 19:26:26 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Su Hui <suhui@...china.com>
Cc: jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
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] i40e: add an error code check in i40e_vsi_setup
On Thu, Oct 19, 2023 at 04:42:42PM +0800, Su Hui wrote:
> check the value of 'ret' after calling 'i40e_vsi_config_rss'.
>
> Signed-off-by: Su Hui <suhui@...china.com>
> ---
> drivers/net/ethernet/intel/i40e/i40e_main.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
> index de7fd43dc11c..9205090e5017 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
> +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
> @@ -14567,6 +14567,8 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
> if ((pf->hw_features & I40E_HW_RSS_AQ_CAPABLE) &&
> (vsi->type == I40E_VSI_VMDQ2)) {
> ret = i40e_vsi_config_rss(vsi);
> + if (ret)
> + goto err_rings;
This function uses Come From label names. Instead of telling you what
the function/goto does it tells you where it is called from. Here
"err_rings" means that the rings allocation failed. However, the rings
allocation actually succeeded and we need to free it
with i40e_vsi_clear_rings().
What clean up we need to do depends on vsi->type as well but here
we know the type is vsi->type == I40E_VSI_VMDQ2 so it's needs to call
the i40e_vsi_clear_rings().
regards,
dan carpenter
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