LU-17213 llite: check sdio before freeing it

LU-17213 llite: check sdio before freeing it

We check something in the sdio after freeing it.  Oops.

Test-Parameters: trivial
Signed-off-by: Patrick Farrell <pfarrell@whamcloud.com>
Change-Id: I1eae4bfe5fd83e5d8763266b1a7b3c5cb3118158
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/52757
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Alex Zhuravlev <bzzz@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>