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mtd: core: don't remove debugfs directory if device is in use
Previously, if del_mtd_device() failed with -EBUSY due to a non-zero usecount, a subsequent call to attempt the deletion again would try to remove a debugfs directory that had already been removed and panic. With this change the second call can instead proceed safely. Fixes: e8e3edb ("mtd: create per-device and module-scope debugfs entries") Signed-off-by: Zev Weiss <[email protected]> Signed-off-by: Miquel Raynal <[email protected]> Link: https://lore.kernel.org/linux-mtd/[email protected]
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