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net: page_pool: factor out uninit

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We'll soon (next change in the series) need a fuller unwind path
in page_pool_create() so create the inverse of page_pool_init().

Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Jakub Kicinski 2023-11-26 15:07:28 -08:00 committed by Paolo Abeni
parent a214724554
commit 23cfaf67ba
1 changed files with 13 additions and 8 deletions
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21
net/core/page_pool.c
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@ -238,6 +238,18 @@ static int page_pool_init(struct page_pool *pool,
return 0;
}
static void page_pool_uninit(struct page_pool *pool)
{
ptr_ring_cleanup(&pool->ring, NULL);
if (pool->p.flags & PP_FLAG_DMA_MAP)
put_device(pool->p.dev);
#ifdef CONFIG_PAGE_POOL_STATS
free_percpu(pool->recycle_stats);
#endif
}
/**
* page_pool_create() - create a page pool.
* @params: parameters, see struct page_pool_params
@ -821,14 +833,7 @@ static void __page_pool_destroy(struct page_pool *pool)
if (pool->disconnect)
pool->disconnect(pool);
ptr_ring_cleanup(&pool->ring, NULL);
if (pool->p.flags & PP_FLAG_DMA_MAP)
put_device(pool->p.dev);
#ifdef CONFIG_PAGE_POOL_STATS
free_percpu(pool->recycle_stats);
#endif
page_pool_uninit(pool);
kfree(pool);
}