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thermal: rcar: fix missing unlock on error in rcar_thermal_update_temp()

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

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Wei Yongjun 2013-02-22 13:22:39 +00:00 committed by Zhang Rui
parent f6161aa153
commit f0e68fc3ca
1 changed files with 5 additions and 4 deletions
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9
drivers/thermal/rcar_thermal.c
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@ -145,6 +145,7 @@ static int rcar_thermal_update_temp(struct rcar_thermal_priv *priv)
struct device *dev = rcar_priv_to_dev(priv);
int i;
int ctemp, old, new;
int ret = -EINVAL;
mutex_lock(&priv->lock);
@ -174,7 +175,7 @@ static int rcar_thermal_update_temp(struct rcar_thermal_priv *priv)
if (!ctemp) {
dev_err(dev, "thermal sensor was broken\n");
return -EINVAL;
goto err_out_unlock;
}
/*
@ -192,10 +193,10 @@ static int rcar_thermal_update_temp(struct rcar_thermal_priv *priv)
dev_dbg(dev, "thermal%d %d -> %d\n", priv->id, priv->ctemp, ctemp);
priv->ctemp = ctemp;
ret = 0;
err_out_unlock:
mutex_unlock(&priv->lock);
return 0;
return ret;
}
static int rcar_thermal_get_temp(struct thermal_zone_device *zone,