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-rw-r--r--drivers/scsi/scsi_transport_sas.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 94ff29f7c34b..7899e3dda9bf 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -192,6 +192,16 @@ static void sas_non_host_smp_request(struct request_queue *q)
sas_smp_request(q, rphy_to_shost(rphy), rphy);
}
+static void sas_host_release(struct device *dev)
+{
+ struct Scsi_Host *shost = dev_to_shost(dev);
+ struct sas_host_attrs *sas_host = to_sas_host_attrs(shost);
+ struct request_queue *q = sas_host->q;
+
+ if (q)
+ blk_cleanup_queue(q);
+}
+
static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy)
{
struct request_queue *q;
@@ -199,6 +209,7 @@ static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy)
struct device *dev;
char namebuf[BUS_ID_SIZE];
const char *name;
+ void (*release)(struct device *);
if (!to_sas_internal(shost->transportt)->f->smp_handler) {
printk("%s can't handle SMP requests\n", shost->hostt->name);
@@ -209,17 +220,19 @@ static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy)
q = blk_init_queue(sas_non_host_smp_request, NULL);
dev = &rphy->dev;
name = dev->bus_id;
+ release = NULL;
} else {
q = blk_init_queue(sas_host_smp_request, NULL);
dev = &shost->shost_gendev;
snprintf(namebuf, sizeof(namebuf),
"sas_host%d", shost->host_no);
name = namebuf;
+ release = sas_host_release;
}
if (!q)
return -ENOMEM;
- error = bsg_register_queue(q, dev, name, NULL);
+ error = bsg_register_queue(q, dev, name, release);
if (error) {
blk_cleanup_queue(q);
return -ENOMEM;
@@ -253,7 +266,6 @@ static void sas_bsg_remove(struct Scsi_Host *shost, struct sas_rphy *rphy)
return;
bsg_unregister_queue(q);
- blk_cleanup_queue(q);
}
/*
@@ -1301,6 +1313,9 @@ static void sas_expander_release(struct device *dev)
struct sas_rphy *rphy = dev_to_rphy(dev);
struct sas_expander_device *edev = rphy_to_expander_device(rphy);
+ if (rphy->q)
+ blk_cleanup_queue(rphy->q);
+
put_device(dev->parent);
kfree(edev);
}
@@ -1310,6 +1325,9 @@ static void sas_end_device_release(struct device *dev)
struct sas_rphy *rphy = dev_to_rphy(dev);
struct sas_end_device *edev = rphy_to_end_device(rphy);
+ if (rphy->q)
+ blk_cleanup_queue(rphy->q);
+
put_device(dev->parent);
kfree(edev);
}