The sparse tool complains as follows: drivers/net/ethernet/amazon/ena/ena_netdev.c:978:13: warning: symbol 'ena_alloc_map_page' was not declared. Should it be static? This symbol is not used outside of ena_netdev.c, so marks it static. Fixes: 947c54c395cb ("net: ena: Use dev_alloc() in RX buffer allocation") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- drivers/net/ethernet/amazon/ena/ena_netdev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index cd6ea59c543c..3bb0e66b2c7e 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -975,7 +975,8 @@ static void ena_free_all_io_rx_resources(struct ena_adapter *adapter) ena_free_rx_resources(adapter, i); } -struct page *ena_alloc_map_page(struct ena_ring *rx_ring, dma_addr_t *dma) +static struct page *ena_alloc_map_page(struct ena_ring *rx_ring, + dma_addr_t *dma) { struct page *page;