diff options
Diffstat (limited to 'sys/dev/xen/blkfront/blkfront.c')
| -rw-r--r-- | sys/dev/xen/blkfront/blkfront.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sys/dev/xen/blkfront/blkfront.c b/sys/dev/xen/blkfront/blkfront.c index 1ad2494..58ddd80 100644 --- a/sys/dev/xen/blkfront/blkfront.c +++ b/sys/dev/xen/blkfront/blkfront.c @@ -1239,19 +1239,27 @@ xbd_connect(struct xbd_softc *sc) xenbus_get_otherend_path(dev)); return; } + if ((sectors == 0) || (sector_size == 0)) { + xenbus_dev_fatal(dev, 0, + "invalid parameters from %s:" + " sectors = %lu, sector_size = %lu", + xenbus_get_otherend_path(dev), + sectors, sector_size); + return; + } err = xs_gather(XST_NIL, xenbus_get_otherend_path(dev), "physical-sector-size", "%lu", &phys_sector_size, NULL); if (err || phys_sector_size <= sector_size) phys_sector_size = 0; err = xs_gather(XST_NIL, xenbus_get_otherend_path(dev), - "feature-barrier", "%lu", &feature_barrier, + "feature-barrier", "%d", &feature_barrier, NULL); if (err == 0 && feature_barrier != 0) sc->xbd_flags |= XBDF_BARRIER; err = xs_gather(XST_NIL, xenbus_get_otherend_path(dev), - "feature-flush-cache", "%lu", &feature_flush, + "feature-flush-cache", "%d", &feature_flush, NULL); if (err == 0 && feature_flush != 0) sc->xbd_flags |= XBDF_FLUSH; |
