Re: Clang warning patches

From: hiren panchasara <hiren.panchasara_at_gmail.com>
Date: Tue, 15 Jan 2013 15:40:32 -0800
On Tue, Jan 15, 2013 at 3:22 PM, John-Mark Gurney <jmg_at_funkthat.com> wrote:
> John-Mark Gurney wrote this message on Tue, Jan 15, 2013 at 15:10 -0800:
>> hiren panchasara wrote this message on Tue, Jan 15, 2013 at 07:52 -0800:
>> > http://www.strugglingcoder.info/patches/clang_warnings_dev_bktr.txt
>>
>> This patch does not look correct at all...  It is simply removing code..
>>
>> How is is good that after we failed to set the tv_freq that we continue
>> on?
>>
>> What is the warning that we are fixing here?
>
> I forgot to look at the intermediate variable that tv_channel was being
> assigned to...  Turns out it's an unsigned int, while tv_channel is
> returning an int...  We should fix this properly by changing temp to
> be an int, or moving the check inline instead of removing it blindly...

I agree. My bad. I should have looked at it a little more carefully.

Turning temp to "int" looks fine. All function returns being assigned to temp
are int.

>
> I think I still have an old bktr card that I can throw in to do some
> basic testing...

I will update the patch in a bit. I do not have the hardware but let me
know if I can help you in testing.

Thanks,
Hiren

>
> After doing some code sperlunking, looks like this bug was introduced
> w/ the original driver 15 years ago...  And no one noticed even after
> moving the code around a few times...
>
> --
>   John-Mark Gurney                              Voice: +1 415 225 5579
>
>      "All that I will do, has been done, All that I have, has not."
Received on Tue Jan 15 2013 - 22:40:35 UTC

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