[PATCH] ptp: fix missing break in switch

[Gustavo A. R. Silva]

It seems that a *break* is missing in order to avoid falling through
to the default case. Otherwise, checking *chan* makes no sense.

Fixes: 72df7a7244c0 ("ptp: Allow reassigning calibration pin function")
Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
---
 drivers/ptp/ptp_chardev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 547dbda..01b0e2b 100644
--- a/drivers/ptp/ptp_chardev.c
+++ b/drivers/ptp/ptp_chardev.c
@@ -89,6 +89,7 @@ int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin,
 	case PTP_PF_PHYSYNC:
 		if (chan != 0)
 			return -EINVAL;
+		break;
 	default:
 		return -EINVAL;
 	}
-- 
2.7.4