X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Fscsi_sysfs.c;h=86793259e541aa9d705ceefb1d090c408748ff30;hb=a9c9a6f741cdaa2fa9ba24a790db8d07295761e3;hp=c0d31119d6d7ba3e8a1a258b73073c3e6c44b625;hpb=05b5fdb2a8f7f981b9b1aa77a6c4b810e19f01ab;p=linux-2.6-microblaze.git

diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index c0d31119d6d7..86793259e541 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>
@@ -1333,7 +1334,6 @@ 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);
@@ -1372,12 +1372,19 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
 	transport_add_device(&sdev->sdev_gendev);
 	sdev->is_visible = 1;
 
-	error = bsg_scsi_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) {
@@ -1439,7 +1446,8 @@ 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);