USB gadget: gadgetfs dont try to lock before free
I spotted this during my tests with -rt on arm. The -rt patch contains some better tools to diagnose problems with locks and some other things... Original code tries to take semaphore in BUG_ON and then free the memory with this semaphore. Signed-off-by: Milan Svoboda <msvoboda@ra.rockwell.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -223,7 +223,6 @@ static void put_ep (struct ep_data *data)
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/* needs no more cleanup */
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BUG_ON (!list_empty (&data->epfiles));
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BUG_ON (waitqueue_active (&data->wait));
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BUG_ON (down_trylock (&data->lock) != 0);
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kfree (data);
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}
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