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blockdev: Convert drive_new() to Error

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Calling error_report() from within a function that takes an Error **
argument is suspicious.  drive_new() calls error_report() even though
it can run within drive_init_func(), which takes an Error ** argument.
drive_init_func()'s caller main(), via qemu_opts_foreach(), is fine
with it, but clean it up anyway:

* Convert drive_new() to Error

* Update add_init_drive() to report the error received from
  drive_new()

* Make main() pass &error_fatal through qemu_opts_foreach(),
  drive_init_func() to drive_new()

* Make default_drive() pass &error_abort through qemu_opts_foreach(),
  drive_init_func() to drive_new()

Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20181017082702.5581-34-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2018-10-17 10:26:57 +02:00
parent f881ca19f1
commit c4f26c9f37
4 changed files with 24 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

3
include/sysemu/blockdev.h
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@ -54,7 +54,8 @@ DriveInfo *drive_get_next(BlockInterfaceType type);
QemuOpts *drive_def(const char *optstr);
QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file,
const char *optstr);
DriveInfo *drive_new(QemuOpts *arg, BlockInterfaceType block_default_type);
DriveInfo *drive_new(QemuOpts *arg, BlockInterfaceType block_default_type,
Error **errp);
/* device-hotplug */