Merge branch 'master'

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 4e607d3065bc..65eef33846bb 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1401,6 +1401,7 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf)
         Sg_device *sdp = NULL;
         struct cdev * cdev = NULL;
         int error, k;
+        unsigned long iflags;
 
         disk = alloc_disk(1);
         if (!disk) {
@@ -1428,7 +1429,7 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf)
 
         error = cdev_add(cdev, MKDEV(SCSI_GENERIC_MAJOR, k), 1);
         if (error)
-                goto out;
+                goto cdev_add_err;
 
         sdp->cdev = cdev;
         if (sg_sysfs_valid) {
@@ -1455,6 +1456,13 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf)
 
         return 0;
 
+cdev_add_err:
+        write_lock_irqsave(&sg_dev_arr_lock, iflags);
+        kfree(sg_dev_arr[k]);
+        sg_dev_arr[k] = NULL;
+        sg_nr_dev--;
+        write_unlock_irqrestore(&sg_dev_arr_lock, iflags);
+
 out:
         put_disk(disk);
         if (cdev)