i2o: destroy event queue only when drv->event is set
i2o_driver_register() initalizes event queue for driver only when drv->event is set. So similarly the event queue should be destroyed only when drv->event is set in the error path. Otherwise destroy_workqueue() will called with NULL. Cc: Markus Lidel <Markus.Lidel@shadowconnect.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 6 additions and 2 deletions
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@ -123,8 +123,12 @@ int i2o_driver_register(struct i2o_driver *drv)
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}
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rc = driver_register(&drv->driver);
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if (rc)
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destroy_workqueue(drv->event_queue);
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if (rc) {
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if (drv->event) {
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destroy_workqueue(drv->event_queue);
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drv->event_queue = NULL;
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}
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}
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return rc;
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};
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