diff options
| -rw-r--r-- | drivers/net/ethernet/sfc/falcon/rx.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/rx_common.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/falcon/rx.c b/drivers/net/ethernet/sfc/falcon/rx.c index 11a6aee852e9..0c6cc2191369 100644 --- a/drivers/net/ethernet/sfc/falcon/rx.c +++ b/drivers/net/ethernet/sfc/falcon/rx.c @@ -110,6 +110,8 @@ static struct page *ef4_reuse_page(struct ef4_rx_queue *rx_queue) struct ef4_rx_page_state *state; unsigned index; + if (unlikely(!rx_queue->page_ring)) + return NULL; index = rx_queue->page_remove & rx_queue->page_ptr_mask; page = rx_queue->page_ring[index]; if (page == NULL) @@ -293,6 +295,9 @@ static void ef4_recycle_rx_pages(struct ef4_channel *channel, { struct ef4_rx_queue *rx_queue = ef4_channel_get_rx_queue(channel); + if (unlikely(!rx_queue->page_ring)) + return; + do { ef4_recycle_rx_page(channel, rx_buf); rx_buf = ef4_rx_buf_next(rx_queue, rx_buf); diff --git a/drivers/net/ethernet/sfc/rx_common.c b/drivers/net/ethernet/sfc/rx_common.c index 0983abc0cc5f..633ca77a26fd 100644 --- a/drivers/net/ethernet/sfc/rx_common.c +++ b/drivers/net/ethernet/sfc/rx_common.c @@ -45,6 +45,8 @@ static struct page *efx_reuse_page(struct efx_rx_queue *rx_queue) unsigned int index; struct page *page; + if (unlikely(!rx_queue->page_ring)) + return NULL; index = rx_queue->page_remove & rx_queue->page_ptr_mask; page = rx_queue->page_ring[index]; if (page == NULL) @@ -114,6 +116,9 @@ void efx_recycle_rx_pages(struct efx_channel *channel, { struct efx_rx_queue *rx_queue = efx_channel_get_rx_queue(channel); + if (unlikely(!rx_queue->page_ring)) + return; + do { efx_recycle_rx_page(channel, rx_buf); rx_buf = efx_rx_buf_next(rx_queue, rx_buf); |