1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 98cf31ed0814..055e3f563c13 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -518,6 +518,20 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file,
                 err = ubi_wl_flush(ubi);
                 break;
         }
+
+        /* Logical eraseblock map command */
+        case UBI_IOCEBMAP:
+        {
+                struct ubi_map_req req;
+
+                err = copy_from_user(&req, argp, sizeof(struct ubi_map_req));
+                if (err) {
+                        err = -EFAULT;
+                        break;
+                }
+                err = ubi_leb_map(desc, req.lnum, req.dtype);
+                break;
+        }
 #endif
 
         default: