linux-kernel - [PATCH v2] i40e: add an error code check in i40e_vsi

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Message-Id: <20231020024308.46630-1-suhui@nfschina.com>
Date:   Fri, 20 Oct 2023 10:43:09 +0800
From:   Su Hui <suhui@...china.com>
To:     dan.carpenter@...aro.org, jesse.brandeburg@...el.com,
        anthony.l.nguyen@...el.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com
Cc:     Su Hui <suhui@...china.com>, intel-wired-lan@...ts.osuosl.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH v2] i40e: add an error code check in i40e_vsi_setup

check the value of 'ret' after calling 'i40e_vsi_config_rss'.

Signed-off-by: Su Hui <suhui@...china.com>
---
v2: 
- call i40e_vsi_clear_rings() to free rings(thank dan carpenter for
  pointing out this).
 drivers/net/ethernet/intel/i40e/i40e_main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index de7fd43dc11c..4904bc8f5777 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -14567,9 +14567,13 @@ 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_config;
 	}
 	return vsi;
 
+err_config:
+	i40e_vsi_clear_rings(vsi);
 err_rings:
 	i40e_vsi_free_q_vectors(vsi);
 err_msix:
-- 
2.30.2