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Date:      Thu, 1 Sep 2016 02:05:46 +0000 (UTC)
From:      Patrick Kelsey <pkelsey@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r305169 - head/sys/kern
Message-ID:  <201609010205.u8125kjk022808@repo.freebsd.org>

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Author: pkelsey
Date: Thu Sep  1 02:05:46 2016
New Revision: 305169
URL: https://svnweb.freebsd.org/changeset/base/305169

Log:
  _taskqueue_start_threads() now fails if it doesn't actually start any threads.
  
  Reviewed by:	jhb
  MFC after:	1 week
  Differential Revision:	https://reviews.freebsd.org/D7701

Modified:
  head/sys/kern/subr_taskqueue.c

Modified: head/sys/kern/subr_taskqueue.c
==============================================================================
--- head/sys/kern/subr_taskqueue.c	Thu Sep  1 01:08:18 2016	(r305168)
+++ head/sys/kern/subr_taskqueue.c	Thu Sep  1 02:05:46 2016	(r305169)
@@ -625,6 +625,11 @@ _taskqueue_start_threads(struct taskqueu
 		} else
 			tq->tq_tcount++;
 	}
+	if (tq->tq_tcount == 0) {
+		free(tq->tq_threads, M_TASKQUEUE);
+		tq->tq_threads = NULL;
+		return (ENOMEM);
+	}
 	for (i = 0; i < count; i++) {
 		if (tq->tq_threads[i] == NULL)
 			continue;



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