diff options
Diffstat (limited to 'drivers/xen/pvblock.c')
| -rw-r--r-- | drivers/xen/pvblock.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/xen/pvblock.c b/drivers/xen/pvblock.c index 4ad548d599d..1df04e239ad 100644 --- a/drivers/xen/pvblock.c +++ b/drivers/xen/pvblock.c @@ -632,7 +632,8 @@ static ulong pvblock_iop(struct udevice *udev, lbaint_t blknr, memcpy(blk_dev->bounce_buffer, buffer, desc->blksz); aiocb.aio_nbytes = unaligned ? desc->blksz : - min((size_t)(BLKIF_MAX_SEGMENTS_PER_REQUEST * PAGE_SIZE), + min((size_t)((BLKIF_MAX_SEGMENTS_PER_REQUEST - 1) + * PAGE_SIZE), (size_t)(blocks_todo * desc->blksz)); blkfront_io(&aiocb, write); |