linux-kernel - [PATCH 5.13 233/300] octeontx2-pf: cn10k: Fix error return code in otx2_set_flowkey

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Message-Id: <20210913131117.232313829@linuxfoundation.org>
Date:   Mon, 13 Sep 2021 15:14:54 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Yang Yingliang <yangyingliang@...wei.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.13 233/300] octeontx2-pf: cn10k: Fix error return code in otx2_set_flowkey_cfg()

From: Yang Yingliang <yangyingliang@...wei.com>

[ Upstream commit 5e8243e66b4d80eeaf9ed8cb0235ff133630a014 ]

If otx2_mbox_get_rsp() fails, otx2_set_flowkey_cfg() need return an
error code.

Fixes: e7938365459f ("octeontx2-pf: Fix algorithm index in MCAM rules with RSS action")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 25f84ad50dba..e0d1af9e7770 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -286,8 +286,10 @@ int otx2_set_flowkey_cfg(struct otx2_nic *pfvf)
 
 	rsp = (struct nix_rss_flowkey_cfg_rsp *)
 			otx2_mbox_get_rsp(&pfvf->mbox.mbox, 0, &req->hdr);
-	if (IS_ERR(rsp))
+	if (IS_ERR(rsp)) {
+		err = PTR_ERR(rsp);
 		goto fail;
+	}
 
 	pfvf->hw.flowkey_alg_idx = rsp->alg_idx;
 fail:
-- 
2.30.2