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-rw-r--r--sys/dev/xen/blkfront/blkfront.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/dev/xen/blkfront/blkfront.c b/sys/dev/xen/blkfront/blkfront.c
index 0f84ece4443e..cd42880f32f6 100644
--- a/sys/dev/xen/blkfront/blkfront.c
+++ b/sys/dev/xen/blkfront/blkfront.c
@@ -142,15 +142,16 @@ xlvbd_add(blkif_sector_t capacity, int unit, uint16_t vdisk_info, uint16_t secto
{
struct xb_softc *sc;
int error = 0;
-
+ int unitno = unit - 768;
+
sc = (struct xb_softc *)malloc(sizeof(*sc), M_DEVBUF, M_WAITOK|M_ZERO);
- sc->xb_unit = unit;
+ sc->xb_unit = unitno;
sc->xb_info = info;
info->sc = sc;
memset(&sc->xb_disk, 0, sizeof(sc->xb_disk));
sc->xb_disk = disk_alloc();
- sc->xb_disk->d_unit = unit;
+ sc->xb_disk->d_unit = unitno;
sc->xb_disk->d_open = blkif_open;
sc->xb_disk->d_close = blkif_close;
sc->xb_disk->d_ioctl = blkif_ioctl;