tree 42ba3a2f6e3ce22741c6a970ca99b7beab0ffbbb
parent 49e86f16866fbf8e3c9a6b0770eb6f3c167f4b72
author Rusty Russell <rusty@rustcorp.com.au> 1350393975 +1030
committer Rusty Russell <rusty@rustcorp.com.au> 1355806234 +1030

virtio: make virtqueue_add_buf() returning 0 on success, not capacity.

Now noone relies on this behavior, we simplify virtqueue_add_buf() so it
return 0 or -errno.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>