[asterisk-dev] [Code Review] Fix ao2_callback when both OBJ_MULTIPLE and OBJ_NODATA are passed

Kevin Fleming kpfleming at digium.com
Mon Jan 11 10:19:43 CST 2010


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Ship it!


Agreed. Nice usage of the macro to document what is really going on here.

- Kevin


On 2010-01-11 09:57:57, Sean Bright wrote:
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> (Updated 2010-01-11 09:57:57)
> 
> 
> Review request for Asterisk Developers and Kevin Fleming.
> 
> 
> Summary
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> 
> There is an issue which only affects trunk and the new ao2_callback OBJ_MULTIPLE
> implementation.  When both OBJ_MULTIPLE and OBJ_NODATA are passed, only the first
> object is visited, regardless of what is returned by the specified callback.  This
> causes a problem when we are clearing a container, i.e.:
> 
>     ao2_callback(container, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, NULL, NULL);
> 
> Only unlinks the first object.  The attached patch attempts to resolve this.
> 
> 
> This addresses bug 16564.
>     https://issues.asterisk.org/view.php?id=16564
> 
> 
> Diffs
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>   /trunk/main/astobj2.c 239110 
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> Diff: https://reviewboard.asterisk.org/r/457/diff
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> 
> Testing
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> 
> The reporter of issue 16564, pj, has reported that this patch resolves the errors
> he was seeing.  I have also tested and confirmed the warnings/errors no longer
> occur.
> 
> 
> Thanks,
> 
> Sean
> 
>




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