[PATCHv6 09/16] pps: use BUG_ON for kernel API safety checks

Alexander Gordeev
2010-12-17T19:55:36Z

This way less overhead is involved when running production kernel.
If you want to debug a pps client module please define DEBUG to enable
the checks.

Acked-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su>
---
drivers/pps/kapi.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/pps/kapi.c b/drivers/pps/kapi.c
index c42d3cb..3e8eb3f 100644
--- a/drivers/pps/kapi.c
+++ b/drivers/pps/kapi.c
@@ -166,10 +166,8 @@ void pps_event(struct pps_device *pps, struct pps_event_time *ts, int event,
int captured = 0;
struct pps_ktime ts_real;

- if ((event & (PPS_CAPTUREASSERT | PPS_CAPTURECLEAR)) == 0) {
- dev_err(pps->dev, "unknown event (%x)\n", event);
- return;
- }
+ /* check event type */
+ BUG_ON((event & (PPS_CAPTUREASSERT | PPS_CAPTURECLEAR)) == 0);

dev_dbg(pps->dev, "PPS event at %ld.%09ld\n",
ts->ts_real.tv_sec, ts->ts_real.tv_nsec);
--
1.7.2.3