In sigreturn, report the correct error if copyin() fails; spotted by Alexey Dobriyan, thanks!
In sigreturn, report the correct error if copyin() fails; spotted by
Alexey Dobriyan, thanks!

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars