[asterisk-dev] [Code Review] Lock channels before calling chan->tech->queryoption and setoption

[David Vossel]

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/branches/1.8/channels/chan_local.c
<https://reviewboard.asterisk.org/r/1220/#comment7486>

    The unlock of "ast" needs to happen still to avoid deadlocking when you lock "otherchan"
    
    Remember to lock "ast" again right before exiting the function though.



/branches/1.8/channels/chan_local.c
<https://reviewboard.asterisk.org/r/1220/#comment7484>

    Same here.  This unlock has to stay.  "ast" must be locked again before exiting the function.


- David


On 2011-06-16 15:24:44, Terry Wilson wrote:
> 
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> (Updated 2011-06-16 15:24:44)
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> Review request for Asterisk Developers and David Vossel.
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> Summary
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> The channel needs to be locked before calling these callback functions. Also, sip_setoption needs to lock the pvt and a check p->rtp is non-null before using it.
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> Diffs
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>   /branches/1.8/channels/chan_local.c 324047 
>   /branches/1.8/channels/chan_sip.c 324047 
>   /branches/1.8/include/asterisk/channel.h 324047 
>   /branches/1.8/main/channel.c 324047 
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> Diff: https://reviewboard.asterisk.org/r/1220/diff
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> 
> Testing
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> Some basic SIP and Local channel calls with Set(CHANNEL(musicclass)=something).
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> Thanks,
> 
> Terry
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>

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