Re: [PATCH net-next] net: devmem: remove min_t(iter_iov_len) in sendmsg

[Al Viro]

On Fri, May 16, 2025 at 07:17:23PM -0700, Stanislav Fomichev wrote:
> > Wait, in the same commit there's
> > +       if (iov_iter_type(from) != ITER_IOVEC)
> > +               return -EFAULT;
> > 
> > shortly prior to the loop iter_iov_{addr,len}() are used.  What am I missing now?
> 
> Yeah, I want to remove that part as well:
> 
> https://lore.kernel.org/netdev/20250516225441.527020-1-stfomichev@xxxxxxxxx/T/#u
> 
> Otherwise, sendmsg() with a single IOV is not accepted, which makes not
> sense.

Wait a minute.  What's there to prevent a call with two ranges far from each other?