linux-kernel - [PATCH 4.19 252/293] bnx2x: Fix enabling network interfaces without VFs

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Date:   Mon, 20 Sep 2021 18:43:34 +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, Adrian Bunk <bunk@...nel.org>,
        YunQiang Su <wzssyqa@...il.com>,
        Shai Malin <smalin@...vell.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 4.19 252/293] bnx2x: Fix enabling network interfaces without VFs

From: Adrian Bunk <bunk@...nel.org>

commit 52ce14c134a003fee03d8fc57442c05a55b53715 upstream.

This function is called to enable SR-IOV when available,
not enabling interfaces without VFs was a regression.

Fixes: 65161c35554f ("bnx2x: Fix missing error code in bnx2x_iov_init_one()")
Signed-off-by: Adrian Bunk <bunk@...nel.org>
Reported-by: YunQiang Su <wzssyqa@...il.com>
Tested-by: YunQiang Su <wzssyqa@...il.com>
Cc: stable@...r.kernel.org
Acked-by: Shai Malin <smalin@...vell.com>
Link: https://lore.kernel.org/r/20210912190523.27991-1-bunk@kernel.org
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -1245,7 +1245,7 @@ int bnx2x_iov_init_one(struct bnx2x *bp,
 
 	/* SR-IOV capability was enabled but there are no VFs*/
 	if (iov->total == 0) {
-		err = -EINVAL;
+		err = 0;
 		goto failed;
 	}