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Merge "f_fs: fix scheduling while atomic issue of ffs_epfile_io()"

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qctecmdr 2020-11-17 13:29:01 -08:00 • committed by Gerrit - the friendly Code Review server
commit 49b2e4a13c
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/gadget/function/f_fs.c
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@ -1185,10 +1185,12 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
interrupted = true;
if (ep->ep) {
usb_ep_dequeue(ep->ep, req);
spin_unlock_irq(&epfile->ffs->eps_lock);
wait_for_completion(&done);
interrupted = ep->status < 0;
} else {
spin_unlock_irq(&epfile->ffs->eps_lock);
}
spin_unlock_irq(&epfile->ffs->eps_lock);
}
ffs_log("%s:ep status %d for req %pK", epfile->name, ep->status,