linux-kernel - [PATCH 5.4 342/389] ice: Ignore EEXIST when setting promisc mode

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Message-Id: <20220823080129.825300310@linuxfoundation.org>
Date:   Tue, 23 Aug 2022 10:27:00 +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, Grzegorz Siwik <grzegorz.siwik@...el.com>,
        Jaroslav Pulchart <jaroslav.pulchart@...ddata.com>,
        Igor Raits <igor@...ddata.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        Gurucharan <gurucharanx.g@...el.com>
Subject: [PATCH 5.4 342/389] ice: Ignore EEXIST when setting promisc mode

From: Grzegorz Siwik <grzegorz.siwik@...el.com>

commit 11e551a2efa4481bd4f616ab75374a2710b480e9 upstream.

Ignore EEXIST error when setting promiscuous mode.
This fix is needed because the driver could set promiscuous mode
when it still has not cleared properly.
Promiscuous mode could be set only once, so setting it second
time will be rejected.

Fixes: 5eda8afd6bcc ("ice: Add support for PF/VF promiscuous mode")
Signed-off-by: Grzegorz Siwik <grzegorz.siwik@...el.com>
Link: https://lore.kernel.org/all/CAK8fFZ7m-KR57M_rYX6xZN39K89O=LGooYkKsu6HKt0Bs+x6xQ@mail.gmail.com/
Tested-by: Jaroslav Pulchart <jaroslav.pulchart@...ddata.com>
Tested-by: Igor Raits <igor@...ddata.com>
Tested-by: Gurucharan <gurucharanx.g@...el.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/intel/ice/ice_switch.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -2627,7 +2627,7 @@ ice_set_vlan_vsi_promisc(struct ice_hw *
 		else
 			status = ice_set_vsi_promisc(hw, vsi_handle,
 						     promisc_mask, vlan_id);
-		if (status)
+		if (status && status != -EEXIST)
 			break;
 	}