tree 326967bbfb0f72801848e9aebbad859f33873828
parent fc19f8a02e45c4d8ad24dd7eb374330b03dfc28e
author Paolo Bonzini <pbonzini@redhat.com> 1330934170 +0100
committer Paolo Bonzini <pbonzini@redhat.com> 1334846203 +0200

nbd: consistently return negative errno values

In the next patch we need to look at the return code of nbd_wr_sync.
To avoid percolating the socket_error() ugliness all around, let's
handle errors by returning negative errno values.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>