From: "Jason A. Donenfeld" <>
Date: Wed, 21 Feb 2018 04:41:59 +0100

> Before, if cb->start() failed, the module reference would never be put,
> because cb->cb_running is intentionally false at this point. Users are
> generally annoyed by this because they can no longer unload modules that
> leak references. Also, it may be possible to tediously wrap a reference
> counter back to zero, especially since module.c still uses atomic_inc
> instead of refcount_inc.
> This patch expands the error path to simply call module_put if
> cb->start() fails.
> Signed-off-by: Jason A. Donenfeld <>
> ---
> This probably should be queued up for stable.

Applied and queued up for -stable.

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