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Merge "usb: f_fs: Prevent gadget unbind if it is already unbound"

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Linux Build Service Account 2016-08-10 12:42:09 -07:00 • committed by Gerrit - the friendly Code Review server
commit c5ce2f64ad
2 changed files with 382 additions and 8 deletions
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3
drivers/usb/gadget/configfs.c
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@ -1738,7 +1738,10 @@ void unregister_gadget_item(struct config_item *item)
{ {
struct gadget_info *gi = to_gadget_info(item); struct gadget_info *gi = to_gadget_info(item);
/* to protect race with gadget_dev_desc_UDC_store*/
mutex_lock(&gi->lock);
unregister_gadget(gi); unregister_gadget(gi);
mutex_unlock(&gi->lock);
} }
EXPORT_SYMBOL_GPL(unregister_gadget_item); EXPORT_SYMBOL_GPL(unregister_gadget_item);

391
drivers/usb/gadget/function/f_fs.c
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