Hi Guenter, can you try this patch? diff --git a/block/early-lookup.c b/block/early-lookup.c index a5be3c68ed079c..66e4514d671179 100644 --- a/block/early-lookup.c +++ b/block/early-lookup.c @@ -174,7 +174,7 @@ static int __init devt_from_devname(const char *name, dev_t *devt) while (p > s && isdigit(p[-1])) p--; if (p == s || !*p || *p == '0') - return -EINVAL; + return -ENODEV; /* try disk name without <part number> */ part = simple_strtoul(p, NULL, 10);