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net: stmmac: fix missing unlock on error in stmmac_suspend()

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commit 30f347ae7cc1178c431f968a89d4b4a375bc0d39 upstream

Add the missing unlock before return from stmmac_suspend()
in the error handling case.

Fixes: 5ec55823438e ("net: stmmac: add clocks management for gmac driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Meng Li <Meng.Li@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yang Yingliang 2021-11-19 10:53:56 +08:00 committed by Greg Kroah-Hartman
parent 483ed89522
commit bcf3752243
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -5275,8 +5275,10 @@ int stmmac_suspend(struct device *dev)
/* Disable clock in case of PWM is off */
clk_disable_unprepare(priv->plat->clk_ptp_ref);
ret = pm_runtime_force_suspend(dev);
if (ret)
if (ret) {
mutex_unlock(&priv->lock);
return ret;
}
}
mutex_unlock(&priv->lock);