Merge "usb: f_fs: Avoid use-after-free of epfile"

static void ffs_func_eps_disable(struct ffs_function *func)

{

	struct ffs_ep *ep         = func->eps;

	struct ffs_data *ffs      = func->ffs;

	struct ffs_epfile *epfile = func->ffs->epfiles;

	unsigned count            = func->ffs->eps_count;

	struct ffs_ep *ep;

	struct ffs_epfile *epfile;

	unsigned short count;

	unsigned long flags;

	ffs_log("enter: state %d setup_state %d flag %lu", func->ffs->state,

		func->ffs->setup_state, func->ffs->flags);

	spin_lock_irqsave(&func->ffs->eps_lock, flags);

	count = func->ffs->eps_count;

	epfile = func->ffs->epfiles;

	ep = func->eps;

	while (count--) {

		/* pending requests get nuked */

		if (likely(ep->ep))