From: Martin Wilck <mwilck@xxxxxxxx> udev_device_get_devnum() may fail, in which case it returns makedev(0, 0). Signed-off-by: Martin Wilck <mwilck@xxxxxxxx> --- libmultipath/discovery.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c index 921025d..15cf641 100644 --- a/libmultipath/discovery.c +++ b/libmultipath/discovery.c @@ -1659,6 +1659,9 @@ common_sysfs_pathinfo (struct path * pp) return PATHINFO_FAILED; } devt = udev_device_get_devnum(pp->udev); + if (major(devt) == 0 && minor(devt) == 0) + return PATHINFO_FAILED; + snprintf(pp->dev_t, BLK_DEV_SIZE, "%d:%d", major(devt), minor(devt)); condlog(4, "%s: dev_t = %s", pp->dev, pp->dev_t); -- 2.29.2 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
