linux-kernel - [PATCH 5.19 221/365] ice: Fix VSI rebuild WARN

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Message-Id: <20220823080127.431744065@linuxfoundation.org>
Date:   Tue, 23 Aug 2022 10:02:02 +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,
        Benjamin Mikailenko <benjamin.mikailenko@...el.com>,
        Marek Szlosek <marek.szlosek@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>
Subject: [PATCH 5.19 221/365] ice: Fix VSI rebuild WARN_ON check for VF

From: Benjamin Mikailenko <benjamin.mikailenko@...el.com>

commit 7fe05e125d5f730bd2d0fc53985bee77b6c762f0 upstream.

In commit b03d519d3460 ("ice: store VF pointer instead of VF ID")
WARN_ON checks were added to validate the vsi->vf pointer and
catch programming errors. However, one check to vsi->vf was missed.
This caused a call trace when resetting VFs.

Fix ice_vsi_rebuild by encompassing VF pointer in WARN_ON check.

Fixes: b03d519d3460 ("ice: store VF pointer instead of VF ID")
Signed-off-by: Benjamin Mikailenko <benjamin.mikailenko@...el.com>
Tested-by: Marek Szlosek <marek.szlosek@...el.com>
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_lib.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -3178,7 +3178,7 @@ int ice_vsi_rebuild(struct ice_vsi *vsi,
 
 	pf = vsi->back;
 	vtype = vsi->type;
-	if (WARN_ON(vtype == ICE_VSI_VF) && !vsi->vf)
+	if (WARN_ON(vtype == ICE_VSI_VF && !vsi->vf))
 		return -EINVAL;
 
 	ice_vsi_init_vlan_ops(vsi);