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workqueue: check the allocation of system_unbound_wq 

I found a trivial bug on initialization of workqueue.
Current init_workqueues doesn't check the result of
allocation of system_unbound_wq, this should be checked
like other queues.

Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Hitoshi Mitake 2010-11-26 12:06:44 +01:00 committed by Tejun Heo
parent 698fd6a2c3
commit e5cba24e3f
1 changed files with 2 additions and 1 deletions
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3
kernel/workqueue.c
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@ -3692,7 +3692,8 @@ static int __init init_workqueues(void)
system_nrt_wq = alloc_workqueue("events_nrt", WQ_NON_REENTRANT, 0); system_nrt_wq = alloc_workqueue("events_nrt", WQ_NON_REENTRANT, 0);
system_unbound_wq = alloc_workqueue("events_unbound", WQ_UNBOUND, system_unbound_wq = alloc_workqueue("events_unbound", WQ_UNBOUND,
WQ_UNBOUND_MAX_ACTIVE); WQ_UNBOUND_MAX_ACTIVE);
BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq); BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq ||
!system_unbound_wq);
return 0; return 0;
} }
early_initcall(init_workqueues); early_initcall(init_workqueues);