ComputerSurge/bind9
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move maxbuffers test to allocate_udp_buffer

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This commit is contained in:
Mark Andrews
2019-11-25 11:38:09 +11:00
parent 011af4de71
commit 26a93d77aa
1 changed files with 4 additions and 9 deletions
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13
lib/dns/dispatch.c
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@@ -915,6 +915,10 @@ allocate_udp_buffer(dns_dispatch_t *disp) {
void *temp;
LOCK(&disp->mgr->buffer_lock);
if (disp->mgr->buffers >= disp->mgr->maxbuffers) {
UNLOCK(&disp->mgr->buffer_lock);
return (NULL);
}
bpool = disp->mgr->bpool;
disp->mgr->buffers++;
UNLOCK(&disp->mgr->buffer_lock);
@@ -1500,15 +1504,6 @@ startrecv(dns_dispatch_t *disp, dispsocket_t *dispsock) {
if (disp->recv_pending != 0 && dispsock == NULL)
return (ISC_R_SUCCESS);
if (disp->socktype == isc_sockettype_udp) {
LOCK(&disp->mgr->buffer_lock);
if (disp->mgr->buffers >= disp->mgr->maxbuffers) {
UNLOCK(&disp->mgr->buffer_lock);
return (ISC_R_NOMEMORY);
}
UNLOCK(&disp->mgr->buffer_lock);
}
if ((disp->attributes & DNS_DISPATCHATTR_EXCLUSIVE) != 0 &&
dispsock == NULL)
return (ISC_R_SUCCESS);