diff options
| -rw-r--r-- | net/core/page_pool.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/core/page_pool.c b/net/core/page_pool.c index 626db912fce4..ef98372facf6 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -43,9 +43,11 @@ static int page_pool_init(struct page_pool *pool, * DMA_BIDIRECTIONAL is for allowing page used for DMA sending, * which is the XDP_TX use-case. */ - if ((pool->p.dma_dir != DMA_FROM_DEVICE) && - (pool->p.dma_dir != DMA_BIDIRECTIONAL)) - return -EINVAL; + if (pool->p.flags & PP_FLAG_DMA_MAP) { + if ((pool->p.dma_dir != DMA_FROM_DEVICE) && + (pool->p.dma_dir != DMA_BIDIRECTIONAL)) + return -EINVAL; + } if (pool->p.flags & PP_FLAG_DMA_SYNC_DEV) { /* In order to request DMA-sync-for-device the page |