ptp: fix missing break in switch

[ Upstream commit 9ba8376ce1e2cbf4ce44f7e4bee1d0648e10d594 ]

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@embeddedor.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 58a97d4205723fff7e25f454480169b6f658b0a4..51364621f77ce737a65b8fd7e1c8479c76324f3d 100644 (file)
--- 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;
        }