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Re: [PATCH] Fix REGISTRY cleanups

On 10/28/2013 03:45 AM, Joel Brobecker wrote:
>> In registry.c:registry_clear_data, the registered data is iterated and
>> invoke each 'free' function with the data passed:
>>   for (registration = data_registry->registrations, i = 0;
>>        i < fields->num_data;
>>        registration = registration->next, i++)
>>     if (fields->data[i] != NULL && registration->data->free != NULL)
>>       adaptor (registration->data->free, container, fields->data[i]);
>> we can see that data is passed to function 'free' and data is not NULL.
>> In each usage, we don't have to get the data again through key and
>> do NULL pointer checking.
>> gdb:
>> 2013-10-26  Yao Qi  <>
>> 	* auto-load.c (auto_load_pspace_data_cleanup): Get data from
>> 	parameter 'arg' instead of from program_space_data.
>> 	* objfiles.c (objfiles_pspace_data_cleanup): Likewise.
>> 	* solib-darwin.c (darwin_pspace_data_cleanup): Likewise.
>> 	* solib-dsbt.c (dsbt_pspace_data_cleanup): Likewise.
>> 	* solib-svr4.c (svr4_pspace_data_cleanup): Likewise.
>> 	* inflow.c (inflow_inferior_data_cleanup): Get data from
>> 	parameter 'arg' instead of inferior_data.
> Looks like a nice simplification (...)

+1.  Agreed.

(Yao, FYI, "fix" in the subject line confused me a little,
as I found myself scratching my head a little trying to understand
what bug this actually fixes, only to realize it's a code
cleanup sort of fix.  I'd suggest changing the subject/commit
to reflect that.)

Pedro Alves

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