# \[PATCH\] ARM: OMAP2+: OPP: Fix to ensure check of right oppdef after bad one

- From: Igor Grinberg \<hidden\>
- Date: 2012-06-01 07:03:02 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2012/06/8608219
- Thread: https://ratatoskr.run/linux-arm-kernel/2012/05/8608163/t.md

```text
Hi Kevin, Nishanth,

On 06/01/12 02:15, Kevin Hilman wrote:
> Nishanth Menon [ref] writes:
> 
>> Commit 9fa2df6b90786301b175e264f5fa9846aba81a65
>> (ARM: OMAP2+: OPP: allow OPP enumeration to continue if device is not present)
>> makes the logic:
>> for (i = 0; i < opp_def_size; i++) {
>> 	<snip>
>> 	if (!oh || !oh->od) {
>> 		<snip>
>> 		continue;
>> 	}
>> <snip>
>> opp_def++;
>> }
>>
>> In short, the moment we hit a "Bad OPP", we end up looping the list
>> comparing against the bad opp definition pointer for the rest of the
>> iteration count. Instead, increment opp_def in the for loop itself
>> and allow continue to be used in code without much thought so that
>> we check the next set of OPP definition pointers :)
>>
>> Cc: Kevin Hilman <redacted>
>> Cc: Steve Sakoman <redacted>
>> Cc: Tony Lindgren <tony@atomide.com>
>> Cc: linux-omap at vger.kernel.org
>> Cc: linux-arm-kernel at lists.infradead.org
>>
>> Signed-off-by: Nishanth Menon <nm@ti.com>
> 
> Good catch.
> 
> Queuing for my next set of PM fixes for v3.5-rc (branch: for_3.5/fixes/pm-2)

I think this should also apply for stable, right?
If it should, can you please add a
Cc: stable at vger.kernel.org
?

Thanks


-- 
Regards,
Igor.
```