[PATCH 4.14 77/77] net: hns: Fixes the missing put_device in positive leg for roce reset

From: Greg Kroah-Hartman
Date: Mon Jun 01 2020 - 14:54:03 EST


From: Salil Mehta <salil.mehta@xxxxxxxxxx>

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@xxxxxxxxxx>
Signed-off-by: Salil Mehta <salil.mehta@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
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);