vhost-user: stick to -errno error return convention

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VhostOps methods in user_ops are not very consistent in their error
returns: some return negated errno while others just -1.

Make sure all of them consistently return negated errno.  This also
helps error propagation from the functions being called inside.
Besides, this synchronizes the error return convention with the other
two vhost backends, kernel and vdpa, and will therefore allow for
consistent error propagation in the generic vhost code (in a followup
patch).

Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru>
Message-Id: <20211111153354.18807-9-rvkagan@yandex-team.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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This commit is contained in:

Roman Kagan

2022-01-07 05:19:55 -05:00

committed by Michael S. Tsirkin

parent 3631151b3e

commit 025faa872b

1 changed files with 223 additions and 178 deletions

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hw/virtio/vhost-user.c

+223 -178

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