RE: [PATCH] iov_iter: don't revert if csum error

[David Laight]

From: Sabrina Dubroca
> Sent: 28 April 2017 14:17
...
> >             if (__skb_checksum_complete(skb))
> > -                   goto csum_error;
> > +                   goto fault;
> 
> With this patch, skb_copy_and_csum_datagram_msg() will return -EFAULT
> for an incorrect checksum, that doesn't seem right.

Especially since (IIRC) -EFAULT generates SIGSEGV.

        David