X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=block%2Fioctl.c;h=1124cd297263571d63371ca8ed33f8c361b74e06;hb=efe8dc556cd0f22e04c453188ffbc408b492eb82;hp=9049d460fa890fd45e3e31c1aa8ca9ed080e9f81;hpb=e0985f27ddc3cd49c56fc3a76ec4ae3a594315d0;p=mv-sheeva.git

diff --git a/block/ioctl.c b/block/ioctl.c
index 9049d460fa8..1124cd29726 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -294,9 +294,11 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
 			return -EINVAL;
 		if (get_user(n, (int __user *) arg))
 			return -EFAULT;
-		if (!(mode & FMODE_EXCL) &&
-		    blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0)
-			return -EBUSY;
+		if (!(mode & FMODE_EXCL)) {
+			bdgrab(bdev);
+			if (blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0)
+				return -EBUSY;
+		}
 		ret = set_blocksize(bdev, n);
 		if (!(mode & FMODE_EXCL))
 			blkdev_put(bdev, mode | FMODE_EXCL);