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pps: use BUG_ON for kernel API safety checks

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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.

Signed-off-by: Alexander Gordeev <[email protected]>
Acked-by: Rodolfo Giometti <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alexander Gordeev 2011-01-12 17:00:54 -08:00 • committed by Linus Torvalds
commit 29f347c9fa
1 changed files with 2 additions and 4 deletions
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6
drivers/pps/kapi.c
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@ -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);