linux-kernel - [PATCH 4.18 203/228] ice: Fix potential return of uninitialized value

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Date:   Tue,  2 Oct 2018 06:25:00 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Anirudh Venkataramanan <anirudh.venkataramanan@...el.com>,
        Tony Brelinski <tonyx.brelinski@...el.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.18 203/228] ice: Fix potential return of uninitialized value

4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jesse Brandeburg <jesse.brandeburg@...el.com>

[ Upstream commit dab0588fb616c1774bbf108eab1749dda4ac6942 ]

In ice_vsi_setup_[tx|rx]_rings, err is uninitialized which can result in
a garbage value return to the caller. Fix that.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@...el.com>
Tested-by: Tony Brelinski <tonyx.brelinski@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/intel/ice/ice_main.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -4888,7 +4888,7 @@ int ice_down(struct ice_vsi *vsi)
  */
 static int ice_vsi_setup_tx_rings(struct ice_vsi *vsi)
 {
-	int i, err;
+	int i, err = 0;
 
 	if (!vsi->num_txq) {
 		dev_err(&vsi->back->pdev->dev, "VSI %d has 0 Tx queues\n",
@@ -4913,7 +4913,7 @@ static int ice_vsi_setup_tx_rings(struct
  */
 static int ice_vsi_setup_rx_rings(struct ice_vsi *vsi)
 {
-	int i, err;
+	int i, err = 0;
 
 	if (!vsi->num_rxq) {
 		dev_err(&vsi->back->pdev->dev, "VSI %d has 0 Rx queues\n",