We need to unlock before returning here.
Fixes: a0d2f20650e8 ('Renesas Ethernet AVB PTP clock driver')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/renesas/ravb_ptp.c b/drivers/net/ethernet/renesas/ravb_ptp.c
index 42656da..7a8ce92 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);
--
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