On Fri, 15 Feb 2019 15:53:24 +0800 Jason Wang <jasowang@xxxxxxxxxx> wrote: > When fail, translate_desc() returns negative value, otherwise the > number of iovs. So we should fail when the return value is negative > instead of a blindly check against zero. > > Reported-by: Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx> > Fixes: cc5e71075947 ("vhost: log dirty page correctly") > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> Looks good. It is best to put the Addresses-Coverity-Id tag on these kind of bug fixes so that the automated tools see it.