linux-kernel - [PATCH 4.14 77/77] net: hns: Fixes the missing put

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Date:   Mon,  1 Jun 2020 19:54:22 +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, John Garry <john.garry@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.14 77/77] net: hns: Fixes the missing put_device in positive leg for roce reset

From: Salil Mehta <salil.mehta@...wei.com>

commit 4d96e13ee9cd1f7f801e8c7f4b12f09d1da4a5d8 upstream.

This patch fixes the missing device reference release-after-use in
the positive leg of the roce reset API of the HNS DSAF.

Fixes: c969c6e7ab8c ("net: hns: Fix object reference leaks in hns_dsaf_roce_reset()")
Reported-by: John Garry <john.garry@...wei.com>
Signed-off-by: Salil Mehta <salil.mehta@...wei.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
@@ -3142,6 +3142,9 @@ int hns_dsaf_roce_reset(struct fwnode_ha
 		dsaf_set_bit(credit, DSAF_SBM_ROCEE_CFG_CRD_EN_B, 1);
 		dsaf_write_dev(dsaf_dev, DSAF_SBM_ROCEE_CFG_REG_REG, credit);
 	}
+
+	put_device(&pdev->dev);
+
 	return 0;
 }
 EXPORT_SYMBOL(hns_dsaf_roce_reset);