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| author | Mark Johnston <markj@FreeBSD.org> | 2018-03-25 20:12:14 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2018-03-25 20:12:14 +0000 |
| commit | 803c11a3a68380079c632d7e325d16470fee6424 (patch) | |
| tree | 228b6ef14c6c412b4a50997c1e28c859604863d1 /sys/kern/subr_sleepqueue.c | |
| parent | e05b3850c787f7c5de2903f8726f536e7335ff23 (diff) | |
| download | src-803c11a3a68380079c632d7e325d16470fee6424.tar.gz src-803c11a3a68380079c632d7e325d16470fee6424.zip | |
Use LIST_FOREACH_SAFE in sleepq_chains_remove_matching().
We may remove a sleepqueue from the hash table in
sleepq_resume_thread().
Reviewed by: kib
MFC after: 3 days
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D14847
Notes
Notes:
svn path=/head/; revision=331536
Diffstat (limited to 'sys/kern/subr_sleepqueue.c')
| -rw-r--r-- | sys/kern/subr_sleepqueue.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/kern/subr_sleepqueue.c b/sys/kern/subr_sleepqueue.c index 48edcc359b84..ef32ac999385 100644 --- a/sys/kern/subr_sleepqueue.c +++ b/sys/kern/subr_sleepqueue.c @@ -1103,7 +1103,7 @@ void sleepq_chains_remove_matching(bool (*matches)(struct thread *)) { struct sleepqueue_chain *sc; - struct sleepqueue *sq; + struct sleepqueue *sq, *sq1; int i, wakeup_swapper; wakeup_swapper = 0; @@ -1112,7 +1112,7 @@ sleepq_chains_remove_matching(bool (*matches)(struct thread *)) continue; } mtx_lock_spin(&sc->sc_lock); - LIST_FOREACH(sq, &sc->sc_queues, sq_hash) { + LIST_FOREACH_SAFE(sq, &sc->sc_queues, sq_hash, sq1) { for (i = 0; i < NR_SLEEPQS; ++i) { wakeup_swapper |= sleepq_remove_matching(sq, i, matches, 0); |