scsi: core: Fix a comment in function scsi_host_dev_release()

Commit f0fc58cf49bb ("scsi: core: Avoid that ATA error handling can
trigger a kernel hang or oops") moved rcu to scsi_cmnd instead of
shost. Modify "shost->rcu" to "scmd->rcu" in a comment.

Link: https://lore.kernel.org/r/1620646526-193154-1-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 697c09ef259b3fb4230cdc60e8131057f3f1cc76..ba72bd4202a24e026aa1cacef1bda7d2459955a0 100644 (file)
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -317,7 +317,7 @@ static void scsi_host_dev_release(struct device *dev)
 
        scsi_proc_hostdir_rm(shost->hostt);
 
-       /* Wait for functions invoked through call_rcu(&shost->rcu, ...) */
+       /* Wait for functions invoked through call_rcu(&scmd->rcu, ...) */
        rcu_barrier();
 
        if (shost->tmf_work_q)