From: Liang He windhl@126.com
stable inclusion from stable-v5.10.135 commit 5584fe9718a4d546a6ee531d0481ed3cdaca1e25 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5ZWFM
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ 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 Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Reviewed-by: Wei Li liwei391@huawei.com --- drivers/net/sungem_phy.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c index 291fa449993f..45f295403cb5 100644 --- 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);