net: dsa: mt7530: add missing of_node_put() in mt7530_setup()

stable inclusion
from stable-v5.10.115
commit 2347e9c922709990cd79fc43695bb75d0b75b813
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5IZ9C

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2347e9c922709990cd79fc43695bb75d0b75b813



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commit a9e9b091 upstream.

Add of_node_put() if of_get_phy_mode() fails in mt7530_setup()

Fixes: 0c65b2b9 ("net: of_get_phy_mode: Change API to solve int/unit warnings")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220428095317.538829-1-yangyingliang@huawei.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>