From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 24 Jun 2015 14:32:54 +0000 (+0300)
Subject: renesas: missing unlock on error path
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5102e237912adf5c826cc7421fe25da66d293e94;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

renesas: missing unlock on error path

We need to unlock before returning here.

Fixes: a0d2f20650e8 ('Renesas Ethernet AVB PTP clock driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/renesas/ravb_ptp.c b/drivers/net/ethernet/renesas/ravb_ptp.c
index 42656da50500..7a8ce920c49e 100644
--- a/drivers/net/ethernet/renesas/ravb_ptp.c
+++ b/drivers/net/ethernet/renesas/ravb_ptp.c
@@ -116,8 +116,10 @@ static int ravb_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
 	priv->ptp.current_addend = addend;
 
 	gccr = ravb_read(ndev, GCCR);
-	if (gccr & GCCR_LTI)
+	if (gccr & GCCR_LTI) {
+		spin_unlock_irqrestore(&priv->lock, flags);
 		return -EBUSY;
+	}
 	ravb_write(ndev, addend & GTI_TIV, GTI);
 	ravb_write(ndev, gccr | GCCR_LTI, GCCR);