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taskqueue: plug a leak in _taskqueue_create

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While here make some style fixes and postpone the sprintf so that it is
only done when the function can no longer fail.

CID:	1356041
This commit is contained in:
Mateusz Guzik 2016-06-02 15:52:34 +00:00
parent 6761eb4b11
commit f3c8e16ea5
1 changed files with 6 additions and 4 deletions
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10
sys/kern/subr_taskqueue.c
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@ -130,14 +130,16 @@ _taskqueue_create(const char *name, int mflags,
char *tq_name;
tq_name = malloc(TASKQUEUE_NAMELEN, M_TASKQUEUE, mflags | M_ZERO);
if (!tq_name)
if (tq_name == NULL)
return (NULL);
snprintf(tq_name, TASKQUEUE_NAMELEN, "%s", (name) ? name : "taskqueue");
queue = malloc(sizeof(struct taskqueue), M_TASKQUEUE, mflags | M_ZERO);
if (!queue)
if (queue == NULL) {
free(tq_name, M_TASKQUEUE);
return (NULL);
}
snprintf(tq_name, TASKQUEUE_NAMELEN, "%s", (name) ? name : "taskqueue");
STAILQ_INIT(&queue->tq_queue);
TAILQ_INIT(&queue->tq_active);