YueHaibing,
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/scsi/mvsas/mv_sas.c: In function 'mvs_work_queue':
> drivers/scsi/mvsas/mv_sas.c:1909:31: warning:
> variable 'id' set but not used [-Wunused-but-set-variable]
>
> It never used since introduction in commit
> 20b09c2992fe ("[SCSI] mvsas: add support for 94xx; layout change; bug fixes")
Applied to 4.20/scsi-queue. Thanks!
--
Martin K. Petersen Oracle Linux Engineering

