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path: root/drivers/scsi/scsi_sysfs.c
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Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
-rw-r--r--drivers/scsi/scsi_sysfs.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 4ff9ac3296d8..07cee8dc4100 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -13,6 +13,7 @@
#include <linux/blkdev.h>
#include <linux/device.h>
#include <linux/pm_runtime.h>
+#include <linux/bsg.h>
#include <scsi/scsi.h>
#include <scsi/scsi_device.h>
@@ -1327,7 +1328,6 @@ static int scsi_target_add(struct scsi_target *starget)
int scsi_sysfs_add_sdev(struct scsi_device *sdev)
{
int error, i;
- struct request_queue *rq = sdev->request_queue;
struct scsi_target *starget = sdev->sdev_target;
error = scsi_target_add(starget);
@@ -1366,12 +1366,19 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
transport_add_device(&sdev->sdev_gendev);
sdev->is_visible = 1;
- error = scsi_bsg_register_queue(rq, &sdev->sdev_gendev);
- if (error)
- /* we're treating error on bsg register as non-fatal,
- * so pretend nothing went wrong */
- sdev_printk(KERN_INFO, sdev,
- "Failed to register bsg queue, errno=%d\n", error);
+ if (IS_ENABLED(CONFIG_BLK_DEV_BSG)) {
+ sdev->bsg_dev = scsi_bsg_register_queue(sdev);
+ if (IS_ERR(sdev->bsg_dev)) {
+ /*
+ * We're treating error on bsg register as non-fatal, so
+ * pretend nothing went wrong.
+ */
+ sdev_printk(KERN_INFO, sdev,
+ "Failed to register bsg queue, errno=%d\n",
+ error);
+ sdev->bsg_dev = NULL;
+ }
+ }
/* add additional host specific attributes */
if (sdev->host->hostt->sdev_attrs) {
@@ -1433,7 +1440,8 @@ void __scsi_remove_device(struct scsi_device *sdev)
sysfs_remove_groups(&sdev->sdev_gendev.kobj,
sdev->host->hostt->sdev_groups);
- bsg_unregister_queue(sdev->request_queue);
+ if (IS_ENABLED(CONFIG_BLK_DEV_BSG) && sdev->bsg_dev)
+ bsg_unregister_queue(sdev->bsg_dev);
device_unregister(&sdev->sdev_dev);
transport_remove_device(dev);
device_del(dev);