1 files changed, 4 insertions, 13 deletions

diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index a9e2d3b38aeb..aa557beb8f51 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -224,7 +224,7 @@ static void block2mtd_free_device(struct block2mtd_dev *dev)
         if (dev->blkdev) {
                 invalidate_mapping_pages(dev->blkdev->bd_inode->i_mapping,
                                         0, -1);
-                close_bdev_exclusive(dev->blkdev, FMODE_READ|FMODE_WRITE);
+                blkdev_put(dev->blkdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
         }
 
         kfree(dev);
@@ -234,7 +234,7 @@ static void block2mtd_free_device(struct block2mtd_dev *dev)
 /* FIXME: ensure that mtd->size % erase_size == 0 */
 static struct block2mtd_dev *add_device(char *devname, int erase_size)
 {
-        const fmode_t mode = FMODE_READ | FMODE_WRITE;
+        const fmode_t mode = FMODE_READ | FMODE_WRITE | FMODE_EXCL;
         struct block_device *bdev;
         struct block2mtd_dev *dev;
         char *name;
@@ -255,17 +255,8 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
                    to resolve the device name by other means. */
 
                 dev_t devt = name_to_dev_t(devname);
-                if (devt) {
-                        bdev = open_by_devnum(devt, mode);
-                        if (!IS_ERR(bdev)) {
-                                int ret;
-                                ret = bd_claim(bdev, dev);
-                                if (ret) {
-                                        blkdev_put(bdev, mode);
-                                        bdev = ERR_PTR(ret);
-                                }
-                        }
-                }
+                if (devt)
+                        bdev = open_by_devnum(devt, mode, dev);
         }
 #endif