Re: [Qemu-devel] [PATCH-trivial] arch_init.c: Free 'cache' in cache_fini() to avoid memory leak

[Chen Gang]

On 06/04/2014 04:16 PM, Markus Armbruster wrote:
> Chen Gang <address@hidden> writes:
> 
>> Call g_free() after cache_fini() in migration_end(), but do not call
>> g_free() after call cache_fini() in xbzrle_cache_resize() which will
>> cause memory leak.
>>
>> cache_init() and cache_fini() are pair, so need let cache_fini() call
>> g_free(cache) to match cache_init(), then fix current issue too.
> 
> I'm not sure I get you.  Is the following accurate?
> 
>     migration: Plug memory leak in migrate-set-cache-size command
> 
>     We call g_free() after cache_fini() in migration_end(), but we don't
>     call it after cache_fini() in xbzrle_cache_resize(), leaking the
>     memory.
> 
>     cache_init() and cache_fini() are a pair.  Since cache_init()
>     allocates the cache, let cache_fini() free it.  This plugs the leak.
> 

Yeah, and excuse me for my poor English.


Thanks.
-- 
Chen Gang

Open, share, and attitude like air, water, and life which God blessed