warning: stable kernel rule is not satisfied

Hi,

Thanks for your patch.

FYI: kernel test robot notices the stable kernel rule is not satisfied.

Rule: 'Cc: stable@vger.kernel.org' or 'commit <sha1> upstream.' Subject: [PATCH 5.10] block: fix null-deref in percpu_ref_put Link: https://lore.kernel.org/stable/20220729065243.1786222-1-zhangwensheng%40huaw...

The check is based on https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html