* [PATCH] net: dsa: remove redundant null pointer check before of_node_put
@ 2018-09-16 13:22 zhong jiang
2018-09-17 15:20 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: zhong jiang @ 2018-09-16 13:22 UTC (permalink / raw)
To: davem; +Cc: andrew, vivien.didelot, f.fainelli, netdev, linux-kernel
of_node_put has taken the null pointer check into account. So it is
safe to remove the duplicated check before of_node_put.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
drivers/net/dsa/bcm_sf2.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index e0066ad..1fc27e1 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -465,8 +465,7 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
static void bcm_sf2_mdio_unregister(struct bcm_sf2_priv *priv)
{
mdiobus_unregister(priv->slave_mii_bus);
- if (priv->master_mii_dn)
- of_node_put(priv->master_mii_dn);
+ of_node_put(priv->master_mii_dn);
}
static u32 bcm_sf2_sw_get_phy_flags(struct dsa_switch *ds, int port)
--
1.7.12.4
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2018-09-16 13:22 [PATCH] net: dsa: remove redundant null pointer check before of_node_put zhong jiang
2018-09-17 15:20 ` David Miller
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