Merge tag 'dmaengine-fix-4.16-rc5' of git://git.infradead.org/users/vkoul/slave-dma

[linux-2.6-microblaze.git] / block / ioctl.c

diff --git a/block/ioctl.c b/block/ioctl.c
index 1668506..3884d81 100644 (file)
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -225,7 +225,7 @@ static int blk_ioctl_discard(struct block_device *bdev, fmode_t mode,
 
        if (start + len > i_size_read(bdev->bd_inode))
                return -EINVAL;
-       truncate_inode_pages_range(mapping, start, start + len);
+       truncate_inode_pages_range(mapping, start, start + len - 1);
        return blkdev_issue_discard(bdev, start >> 9, len >> 9,
                                    GFP_KERNEL, flags);
 }