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usb: gadget: f_mass_storage: call try_to_freeze only when its safe
Call try_to_freeze() in sleep_thread() only when it's safe to sleep. do_read() and do_write() calls sleep_thread with lock held. Make sure these won't call try_to_freeze() by passing can_freeze flag to sleep_thread. Calling try_to_freeze() with a lock hold was done since day one in f_mass_storage but since commit 0f9548c ("lockdep: check that no locks held at freeze time") lockdep complains about it. Signed-off-by: George Cherian <george.cherian@ti.com> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <balbi@ti.com>
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George Cherian
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Felipe Balbi
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Nov 25, 2013
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