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staging: zcache: fix refcount leak

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In zcache_get_pool_by_id, the refcount of zcache_host is not increased, but
it is always decreased in zcache_put_pool

Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Xiao Guangrong 2012-06-26 16:49:46 +08:00 committed by Greg Kroah-Hartman
parent 47ec4ed2d2
commit 30453529bc
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/zcache/zcache-main.c
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@ -946,8 +946,9 @@ static struct tmem_pool *zcache_get_pool_by_id(uint16_t cli_id, uint16_t poolid)
cli = &zcache_clients[cli_id];
if (cli == NULL)
goto out;
atomic_inc(&cli->refcount);
}
atomic_inc(&cli->refcount);
pool = idr_find(&cli->tmem_pools, poolid);
if (pool != NULL)
atomic_inc(&pool->refcount);