[Kde-pim] Review Request: Check that EntityTreeModelPrivate::m_collection actually contains a key before the assertion

[Stephen Kelly]

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This patch doesn't get my approval. If you need an if() like that, then an invariant in the class is no longer true (m_collections and the keys of m_childEntities should be in sync). If that class invariant is broken you'll have more, different, and hidden crashes later.

Can you post your plasma crash backtrace in a bug report please?

- Stephen Kelly


On Sept. 28, 2011, 10:16 p.m., David Narváez wrote:
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> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/102616/
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> (Updated Sept. 28, 2011, 10:16 p.m.)
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> 
> Review request for Akonadi, KDEPIM-Libraries and Stephen Kelly.
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> Description
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> I was experiencing crashes when updating iCal resources, similar to bug 273676 (but probably not the same) and after some debugging I found out that the Q_ASSERT to check that m_collection indeed has the key to remove (line 1030) was causing the issue. Adding a check to be sure the key is indeed in m_collections should fix that, but I'm not sure if code should worry more about why the key is not in m_collections or just do the check. Makes sense?
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> This addresses bug 273676.
>     http://bugs.kde.org/show_bug.cgi?id=273676
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> 
> Diffs
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>   akonadi/entitytreemodel_p.cpp d3ab393 
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> Diff: http://git.reviewboard.kde.org/r/102616/diff/diff
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> Testing
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> 1. Add an iCal resource (I'm actually not sure if this happens with all iCal resources, if needed I could point at one URL which fails in all of my KDE 4.7 installations)
> 2. Plasma crashes
> 3. Apply the patch and restart plasma-desktop
> 4. Open KOrganizer and update the iCal resource, plasma should not crash now
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> 
> Thanks,
> 
> David Narváez
> 
>

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