Re: [Qemu-devel] [PATCH v3 4/5] atapi: GESN: Standardise event response handling for future additions

[Kevin Wolf]

Am 12.04.2011 15:59, schrieb Amit Shah:
> On (Tue) 12 Apr 2011 [15:09:33], Kevin Wolf wrote:
>> Am 12.04.2011 13:43, schrieb Amit Shah:
>>> Handle GET_EVENT_STATUS_NOTIFICATION's No Event Available response in a
>>> generic way so that future additions to the code to handle other
>>> response types is easier.
>>>
>>> Signed-off-by: Amit Shah <address@hidden>
>>> ---
>>>  hw/ide/core.c |   24 +++++++++++++++++++-----
>>>  1 files changed, 19 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/hw/ide/core.c b/hw/ide/core.c
>>> index e838990..a9bc1e3 100644
>>> --- a/hw/ide/core.c
>>> +++ b/hw/ide/core.c
>>> @@ -1098,9 +1098,17 @@ static void 
>>> handle_get_event_status_notification(IDEState *s,
>>>          uint8_t control;
>>>      } __attribute__((packed)) *gesn_cdb;
>>>  
>>> +    struct {
>>> +        uint16_t len;
>>> +        uint8_t notification_class;
>>> +        uint8_t supported_events;
>>> +    } __attribute((packed)) *gesn_event_header;
>>> +
>>>      unsigned int max_len, used_len;
>>>  
>>>      gesn_cdb = (void *)packet;
>>> +    gesn_event_header = (void *)packet;
>>
>> I think this should be buf, not packet.
> 
> Ah, right.  (Though they're the same.)

Oh, you're right. I wasn't even aware of that. At some point we should
clean this up, it's an invitation for bugs...

Kevin