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fsdev: improve error handling of backend init

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This patch changes some error messages in the backend init code and
convert backends to propagate QEMU Error objects instead of calling
error_report().

One notable improvement is that the local backend now provides a more
detailed error report when it fails to open the shared directory.

Signed-off-by: Greg Kurz <groug@kaod.org>
This commit is contained in:
Greg Kurz 2018-01-08 11:18:23 +01:00
parent 91cda4e8f3
commit 65603a801e
6 changed files with 15 additions and 14 deletions
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6
hw/9pfs/9p.c
View file

@ -3542,9 +3542,9 @@ int v9fs_device_realize_common(V9fsState *s, Error **errp)
s->fid_list = NULL;
qemu_co_rwlock_init(&s->rename_lock);
if (s->ops->init(&s->ctx) < 0) {
error_setg(errp, "9pfs Failed to initialize fs-driver with id:%s"
" and export path:%s", s->fsconf.fsdev_id, s->ctx.fs_root);
if (s->ops->init(&s->ctx, errp) < 0) {
error_prepend(errp, "cannot initialize fsdev '%s': ",
s->fsconf.fsdev_id);
goto out;
}