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

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

Fixes: 5ec5582343 ("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>
This commit is contained in:
Yang Yingliang 2021-03-27 17:33:22 +08:00 committed by David S. Miller
parent 284fda1eff
commit 30f347ae7c
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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@ -5964,8 +5964,10 @@ 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);