[PATCH] mtd: core: don't remove debugfs directory if device is in use

[Miquel Raynal]

On Thu, 2021-10-14 at 20:39:52 UTC, Zev Weiss wrote:
> 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: e8e3edb95ce6 ("mtd: create per-device and module-scope debugfs entries")
> Signed-off-by: Zev Weiss <zev at bewilderbeest.net>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel