From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Add the missing unlock before return from function
stmmac_suspend() in the error handling case.
Fixes: 5ec55823438e ("net: stmmac: add clocks management for gmac driver")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index a10704d8e3c6..d50df998d3aa 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -5400,8 +5400,10 @@ 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);
