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Wrap some socket handling code in a !NULL bow

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This patch or something similar will likely be included in a future
BIND release.

PR:		bin/138061
Submitted by:	Michael Baker <michael.baker@diversit.com.au>
Original patch submitted by:	Volker <volker@vwsoft.com>
Patch reviewed and tweaked by:	ISC
This commit is contained in:
Doug Barton 2009-11-07 18:55:39 +00:00
parent 5c670c33fc
commit 48a8495574
1 changed files with 6 additions and 4 deletions
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10
contrib/bind9/bin/dig/dighost.c
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@ -2604,10 +2604,12 @@ connect_done(isc_task_t *task, isc_event_t *event) {
if (sevent->result == ISC_R_CANCELED) {
debug("in cancel handler");
isc_socket_detach(&query->sock);
sockcount--;
INSIST(sockcount >= 0);
debug("sockcount=%d", sockcount);
if (query->sock != NULL) {
isc_socket_detach(&query->sock);
sockcount--;
INSIST(sockcount >= 0);
debug("sockcount=%d", sockcount);
}
query->waiting_connect = ISC_FALSE;
isc_event_free(&event);
l = query->lookup;