Re: [PATCH] staging: comedi: Fix incorrect type assignment

From: Karthik Nayak
Date: Wed Feb 08 2017 - 10:31:37 EST


Hi,

On Wed, Feb 8, 2017 at 7:18 PM, Ian Abbott <abbotti@xxxxxxxxx> wrote:
> On 08/02/17 13:26, Karthik Nayak wrote:
>>
>> Hello,
>>
>> On Wed, Feb 8, 2017 at 6:43 PM, Ian Abbott <abbotti@xxxxxxxxx> wrote:
>>>
>>> On 07/02/17 19:06, Karthik Nayak wrote:
>>>>
>>>>
>>>> This patch fixes the following sparse error:
>>>> drivers/staging/comedi/drivers//ni_pcimio.c:1229:32: warning: incorrect
>>>> type in assignment (different base types)
>>>> drivers/staging/comedi/drivers//ni_pcimio.c:1229:32: expected
>>>> restricted __be32 [usertype] serial_number
>>>> drivers/staging/comedi/drivers//ni_pcimio.c:1229:32: got unsigned int
>>>>
>>>> This is done by introducing a temporary variable which is of type
>>>> '__be32' and converting the existing variable to type 'unsigned int'.
>>>>
>>>> Signed-off-by: Karthik Nayak <Karthik.188@xxxxxxxxx>
>>>> ---
>>>> drivers/staging/comedi/drivers/ni_pcimio.c | 5 +++--
>>>> drivers/staging/comedi/drivers/ni_stc.h | 2 +-
>>>> 2 files changed, 4 insertions(+), 3 deletions(-)
>
> [snip]
>
>>> (On a side note, nothing actually uses serial number, so the code that
>>> reads
>>> it from the EEPROM could just be ripped out.)
>>>
>>> Reviewed-by: Ian Abbott <abbotti@xxxxxxxxx>
>>>
>>
>> Yea, I saw that, was assuming there might be a purposed use case scenario.
>
>
> AFAICT it's never been used - not even to print a kernel log message or
> anything.
>
>> Do you want me to send another patch?
>
>
> If you want. If you plan to do so, could you indicate whether you are going
> to base the patch on top of this one, or whether this patch should be
> discarded. Thanks!
>

Sure, I'll base it on top of the existing patch. I'll reply to the
first patch with the second one.

--
Regards,
Karthik Nayak