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Since commit73ac1aac39qdev_prop_set_drive_err() returns a boolean value. Document it. Fixes:73ac1aac39"Make functions taking Error ** return bool, not void" Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20200720121659.31886-1-f4bug@amsat.org> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>