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[3/6] aic94xx: remove the SAS host after the SCSI host

Message ID 20170329094122.9997-1-jthumshirn@suse.de (mailing list archive)
State Changes Requested, archived
Headers show

Commit Message

Johannes Thumshirn March 29, 2017, 9:41 a.m. UTC
After commit bcdde7e ("sysfs: make __sysfs_remove_dir() recursive") changed the
removal path of kernfs to make it recursive we have to remove the SAS host
before the SCSI host or we will see sysfs warnings on not found sysfs groups for
kobjects.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 drivers/scsi/aic94xx/aic94xx_init.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

Comments

Hannes Reinecke March 29, 2017, 10:17 a.m. UTC | #1
On 03/29/2017 11:41 AM, Johannes Thumshirn wrote:
> After commit bcdde7e ("sysfs: make __sysfs_remove_dir() recursive") changed the
> removal path of kernfs to make it recursive we have to remove the SAS host
> before the SCSI host or we will see sysfs warnings on not found sysfs groups for
> kobjects.
> 
> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
> ---
>  drivers/scsi/aic94xx/aic94xx_init.c | 13 ++++++++++---
>  1 file changed, 10 insertions(+), 3 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
diff mbox

Patch

diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index 662b232..362d65a 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -701,13 +701,20 @@  static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
 
 static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
 {
+	struct Scsi_Host *shost = asd_ha->sas_ha.core.shost;
+	unsigned long flags;
 	int err;
 
-	scsi_remove_host(asd_ha->sas_ha.core.shost);
+	spin_lock_irqsave(shost->host_lock, flags);
+	if (scsi_host_set_state(shost, SHOST_CANCEL))
+		WARN_ON(scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY));
+	spin_unlock_irqrestore(shost->host_lock, flags);
+
 	err = sas_unregister_ha(&asd_ha->sas_ha);
 
-	sas_remove_host(asd_ha->sas_ha.core.shost);
-	scsi_host_put(asd_ha->sas_ha.core.shost);
+	sas_remove_host(shost);
+	scsi_remove_host(shost);
+	scsi_host_put(shost);
 
 	kfree(asd_ha->sas_ha.sas_phy);
 	kfree(asd_ha->sas_ha.sas_port);