netdev - [PATCH net] drivers: net: qlcnic: Fix potential memory leak in qlcnic_sriov

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Message-ID: <20221206103031.20609-1-yuancan@huawei.com>
Date:   Tue, 6 Dec 2022 10:30:31 +0000
From:   Yuan Can <yuancan@...wei.com>
To:     <shshaikh@...vell.com>, <manishc@...vell.com>,
        <GR-Linux-NIC-Dev@...vell.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <sucheta.chakraborty@...gic.com>, <rajesh.borundia@...gic.com>,
        <netdev@...r.kernel.org>
CC:     <yuancan@...wei.com>
Subject: [PATCH net] drivers: net: qlcnic: Fix potential memory leak in qlcnic_sriov_init()

If vp alloc failed in qlcnic_sriov_init(), all previously allocated vp
needs to be freed.

Fixes: f197a7aa6288 ("qlcnic: VF-PF communication channel implementation")
Signed-off-by: Yuan Can <yuancan@...wei.com>
---
 drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index 9282321c2e7f..d0470c62e1b2 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -222,6 +222,8 @@ int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs)
 
 qlcnic_destroy_async_wq:
 	destroy_workqueue(bc->bc_async_wq);
+	while (i--)
+		kfree(sriov->vf_info[i].vp);
 
 qlcnic_destroy_trans_wq:
 	destroy_workqueue(bc->bc_trans_wq);
-- 
2.17.1