linux-kernel - [PATCH 5.6 047/194] nfp: abm: fix error return code in nfp_abm_vnic

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Message-Id: <20200518173535.739283263@linuxfoundation.org>
Date:   Mon, 18 May 2020 19:35:37 +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>,
        Wei Yongjun <weiyongjun1@...wei.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 5.6 047/194] nfp: abm: fix error return code in nfp_abm_vnic_alloc()

From: Wei Yongjun <weiyongjun1@...wei.com>

[ Upstream commit 5099dea0a59f1c89525bb0ceac36689178a4c125 ]

Fix to return negative error code -ENOMEM from the kzalloc() error
handling case instead of 0, as done elsewhere in this function.

Fixes: 174ab544e3bc ("nfp: abm: add cls_u32 offload for simple band classification")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/netronome/nfp/abm/main.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/netronome/nfp/abm/main.c
+++ b/drivers/net/ethernet/netronome/nfp/abm/main.c
@@ -333,8 +333,10 @@ nfp_abm_vnic_alloc(struct nfp_app *app,
 		goto err_free_alink;
 
 	alink->prio_map = kzalloc(abm->prio_map_len, GFP_KERNEL);
-	if (!alink->prio_map)
+	if (!alink->prio_map) {
+		err = -ENOMEM;
 		goto err_free_alink;
+	}
 
 	/* This is a multi-host app, make sure MAC/PHY is up, but don't
 	 * make the MAC/PHY state follow the state of any of the ports.