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authorTejun Heo <htejun@gmail.com>2005-10-20 10:56:41 +0200
committerJens Axboe <axboe@nelson.home.kernel.dk>2005-10-28 08:15:58 +0200
commit2824bc9328467127083c1325f54b67d298c333b2 (patch)
tree0d19aeb555c35ddbdbcf195b976964523fecc404 /include
parentb2982649ce38293b14684b26bcda20cfc54164e6 (diff)
[PATCH] fix try_module_get race in elevator_find
This patch removes try_module_get race in elevator_find. try_module_get should always be called with the spinlock protecting what the module init/cleanup routines register/unregister to held. In the case of elevators, we should be holding elv_list to avoid it going away between spin_unlock_irq and try_module_get. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
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