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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Surabhi Boob <surabhi.boob@intel.com>,
        Tony Nguyen <anthony.l.nguyen@intel.com>,
        Andrew Bowers <andrewx.bowers@intel.com>,
        Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.7 068/376] ice: Fix memory leak
Date:   Fri, 19 Jun 2020 16:29:46 +0200
Message-Id: <20200619141713.573491445@linuxfoundation.org>
In-Reply-To: <20200619141710.350494719@linuxfoundation.org>
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From: Surabhi Boob <surabhi.boob@intel.com>

[ Upstream commit 1aaef2bc4e0a5ce9e4dd86359e6a0bf52c6aa64f ]

Handle memory leak on filter management initialization failure.

Signed-off-by: Surabhi Boob <surabhi.boob@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/intel/ice/ice_common.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index 2c0d8fd3d5cd..09b374590ffc 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -322,6 +322,7 @@ ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
 static enum ice_status ice_init_fltr_mgmt_struct(struct ice_hw *hw)
 {
 	struct ice_switch_info *sw;
+	enum ice_status status;
 
 	hw->switch_info = devm_kzalloc(ice_hw_to_dev(hw),
 				       sizeof(*hw->switch_info), GFP_KERNEL);
@@ -332,7 +333,12 @@ static enum ice_status ice_init_fltr_mgmt_struct(struct ice_hw *hw)
 
 	INIT_LIST_HEAD(&sw->vsi_list_map_head);
 
-	return ice_init_def_sw_recp(hw);
+	status = ice_init_def_sw_recp(hw);
+	if (status) {
+		devm_kfree(ice_hw_to_dev(hw), hw->switch_info);
+		return status;
+	}
+	return 0;
 }
 
 /**
-- 
2.25.1