4.9-stable review patch. If anyone has any objections, please let me know.
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From: "Gustavo A. R. Silva" gustavo@embeddedor.com
[ 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 --- drivers/ptp/ptp_chardev.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/ptp/ptp_chardev.c +++ b/drivers/ptp/ptp_chardev.c @@ -89,6 +89,7 @@ int ptp_set_pinfunc(struct ptp_clock *pt case PTP_PF_PHYSYNC: if (chan != 0) return -EINVAL; + break; default: return -EINVAL; }