Re: [Qemu-devel] 9pfs-proxy: -retval vs errno vs -1

Michael Tokarev m...@tls.msk.ru writes: Another interesting tidbit is in hw/9pfs/virtio-9p-proxy.c. All filesystem methods use common v9fs_request() function, which returns -errno. So far so good. Now, *all* places which call this function, does this: retval = v9fs_request(...);

[Qemu-devel] 9pfs-proxy: -retval vs errno vs -1

Another interesting tidbit is in hw/9pfs/virtio-9p-proxy.c. All filesystem methods use common v9fs_request() function, which returns -errno. So far so good. Now, *all* places which call this function, does this: retval = v9fs_request(...); if (retval 0) { errno = -retval;