On 2018-02-08 20:23, Kevin Wolf wrote: > Most callers have their own checks, but something like this should also > be checked centrally. As it happens, x-blockdev-create can pass negative > image sizes to format drivers (because there is no QAPI type that would > reject negative numbers) and triggers the check added by this patch. > > Signed-off-by: Kevin Wolf > --- > block.c | 5 +++++ > 1 file changed, 5 insertions(+) Reviewed-by: Max Reitz