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Assert queue mutex in ng_dequeue() and ng_queue_rw().

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This commit is contained in:
glebius 2004-12-19 14:58:13 +00:00
parent 0f9ab1e7e0
commit 593c023f57
1 changed files with 4 additions and 0 deletions
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4
sys/netgraph/ng_base.c
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@ -1777,6 +1777,8 @@ ng_dequeue(struct ng_queue *ngq)
item_p item;
u_int add_arg;
mtx_assert(&ngq->q_mtx, MA_OWNED);
if (CAN_GET_READ(ngq->q_flags)) {
/*
* Head of queue is a reader and we have no write active.
@ -1903,6 +1905,8 @@ ng_dequeue(struct ng_queue *ngq)
static __inline void
ng_queue_rw(struct ng_queue * ngq, item_p item, int rw)
{
mtx_assert(&ngq->q_mtx, MA_OWNED);
item->el_next = NULL; /* maybe not needed */
*ngq->last = item;
/*