[PATCH] Fix NULL derefence in nvme_ctrl_fast_io_fail_tmo_show/store

[Chaitanya Kulkarni]

On 4/14/21 01:58, Gopal Tiwari wrote:
> Adding entry for dev_attr_fast_io_fail_tmo to avoid the kernel crash
> while reading and writing the fast_io_fail_tmo.
>
> Fixes: 09fbed636382 (nvme: export fast_io_fail_tmo to sysfs)
>
> Signed-off-by: Gopal Tiwari <gtiwari at redhat.com>

Looks good.

Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni at wdc.com>