net: sungem_phy: Add of_node_put() for reference returned by of_get_parent()

[ Upstream commit ebbbe23fdf6070e31509638df3321688358cc211 ]

In bcm5421_init(), we should call of_node_put() for the reference
returned by of_get_parent() which has increased the refcount.

Fixes: 3c326fe9cb7a ("[PATCH] ppc64: Add new PHY to sungem")
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220720131003.1287426-1-windhl@126.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c
index 291fa449993fb553d2f937440957a238fb2cf419..45f295403cb55f8afbf7442a2d65efe8166074b5 100644 (file)
--- a/drivers/net/sungem_phy.c
+++ b/drivers/net/sungem_phy.c
@@ -454,6 +454,7 @@ static int bcm5421_init(struct mii_phy* phy)
                int can_low_power = 1;
                if (np == NULL || of_get_property(np, "no-autolowpower", NULL))
                        can_low_power = 0;
+               of_node_put(np);
                if (can_low_power) {
                        /* Enable automatic low-power */
                        sungem_phy_write(phy, 0x1c, 0x9002);