linux-kernel - [PATCH -next] octeontx2-af: fix error return code in rvu_npc_exact

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Message-ID: <20220713095600.3377927-1-yangyingliang@huawei.com>
Date:   Wed, 13 Jul 2022 17:56:00 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     <rkannoth@...vell.com>, <sgoutham@...vell.com>,
        <davem@...emloft.net>
Subject: [PATCH -next] octeontx2-af: fix error return code in rvu_npc_exact_init()

If rvu_npc_exact_save_drop_rule_chan_and_mask() returns false,
the 'err' is uninitialized, return -EINVAL instead.

Fixes: c6238bc0614d ("octeontx2-af: Drop rules for NPC MCAM")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
index ed8b9afbf731..563bf1497fd0 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
@@ -1961,7 +1961,7 @@ int rvu_npc_exact_init(struct rvu *rvu)
 			dev_err(rvu->dev,
 				"%s: failed to set drop info for cgx=%d, lmac=%d, chan=%llx\n",
 				__func__, cgx_id, lmac_id, chan_val);
-			return err;
+			return -EINVAL;
 		}
 
 		err = npc_install_mcam_drop_rule(rvu, *drop_mcam_idx,
-- 
2.25.1