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Fix NULL pointer reference for INVARIANTS case

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Submitted by:   Yuriy Tsibizov <Yuriy.Tsibizov@gfk.ru>
This commit is contained in:
ache 2006-12-16 20:33:26 +00:00
parent 10e4664552
commit 84d03f55f7
1 changed files with 1 additions and 1 deletions
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2
sys/kern/subr_sleepqueue.c
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@ -295,6 +295,7 @@ sleepq_add(void *wchan, struct lock_object *lock, const char *wmesg, int flags,
* into the sleep queue already in use by this wait channel.
*/
if (sq == NULL) {
sq = td->td_sleepqueue;
#ifdef INVARIANTS
int i;
for (i = 0; i < NR_SLEEPQS; i++)
@ -313,7 +314,6 @@ sleepq_add(void *wchan, struct lock_object *lock, const char *wmesg, int flags,
sleepq_max_depth = sc->sc_max_depth;
}
#endif
sq = td->td_sleepqueue;
LIST_INSERT_HEAD(&sc->sc_queues, sq, sq_hash);
sq->sq_wchan = wchan;
#ifdef INVARIANTS