Re: [nftables PATCH] cache: check errno before invoking cache_release()

[Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>]

On Thu, May 13, 2021 at 04:10:32PM +0200, Marco Oliverio wrote:
> if genid changes during cache_init(), check_genid() sets errno to EINTR to force
> a re-init of the cache.
> 
> cache_release() may inadvertly change errno by calling free().  Indeed free()
> may invoke madvise() that changes errno to ENOSYS on system where kernel is
> configured without support for this syscall.

Applied, thanks.