linux-kernel - [PATCH 5.15 127/279] iavf: Fix failure to exit out from last all-multicast mode

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Message-Id: <20211124115723.197420201@linuxfoundation.org>
Date:   Wed, 24 Nov 2021 12:56:54 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Piotr Marczak <piotr.marczak@...el.com>,
        Tony Brelinski <tony.brelinski@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 127/279] iavf: Fix failure to exit out from last all-multicast mode

From: Piotr Marczak <piotr.marczak@...el.com>

[ Upstream commit 8905072a192fffe9389255489db250c73ecab008 ]

The driver could only quit allmulti when allmulti and promisc modes are
turn on at the same time. If promisc had been off there was no way to turn
off allmulti mode.
The patch corrects this behavior. Switching allmulti does not depends on
promisc state mode anymore

Fixes: f42a5c74da99 ("i40e: Add allmulti support for the VF")
Signed-off-by: Piotr Marczak <piotr.marczak@...el.com>
Tested-by: Tony Brelinski <tony.brelinski@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/intel/iavf/iavf_main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index f64ccf6286ec1..44ea67cb3716b 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -1630,8 +1630,7 @@ static int iavf_process_aq_command(struct iavf_adapter *adapter)
 		iavf_set_promiscuous(adapter, FLAG_VF_MULTICAST_PROMISC);
 		return 0;
 	}
-
-	if ((adapter->aq_required & IAVF_FLAG_AQ_RELEASE_PROMISC) &&
+	if ((adapter->aq_required & IAVF_FLAG_AQ_RELEASE_PROMISC) ||
 	    (adapter->aq_required & IAVF_FLAG_AQ_RELEASE_ALLMULTI)) {
 		iavf_set_promiscuous(adapter, 0);
 		return 0;
-- 
2.33.0