Re: [Qemu-devel] [PATCH v2 33/35] blockdev: Convert drive_new() to Error

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 15/10/2018 16:48, Max Reitz wrote:
> On 15.10.18 13:53, Markus Armbruster wrote:
>> 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>
>> ---
>>  blockdev.c                | 27 ++++++++++++++-------------
>>  device-hotplug.c          |  5 ++++-
>>  include/sysemu/blockdev.h |  3 ++-
>>  vl.c                      |  8 ++++----
>>  4 files changed, 24 insertions(+), 19 deletions(-)
> 
> [...]
> 
>> diff --git a/vl.c b/vl.c
>> index 65366b961e..22beca29d1 100644
>> --- a/vl.c
>> +++ b/vl.c
> 
> [...]
>> @@ -4396,7 +4395,8 @@ int main(int argc, char **argv, char **envp)
>>                            NULL, NULL);
>>      }
>>      if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
>> -                          &machine_class->block_default_type, NULL)) {
>> +                          &machine_class->block_default_type, &error_fatal)) {
>> +        /* We printed help */
>>          exit(1);
>>      }
> 
> I thought you wanted it to become an exit(0)?  I don't care either way,

Markus did it in the next patch ;)

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> though, so:
> 
> Reviewed-by: Max Reitz <mreitz@redhat.com>
>