[PATCH -next] net: ena: use NULL instead of zero

[Wang Hai]

Fix sparse build warning:

drivers/net/ethernet/amazon/ena/ena_netdev.c:2193:34: warning:
 Using plain integer as NULL pointer

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Wang Hai <wangha...@huawei.com>
---
 drivers/net/ethernet/amazon/ena/ena_netdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c 
b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 91be3ffa1c5c..11303a4b94be 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -2190,7 +2190,7 @@ static void ena_del_napi_in_range(struct ena_adapter 
*adapter,
 static void ena_init_napi_in_range(struct ena_adapter *adapter,
                                   int first_index, int count)
 {
-       struct ena_napi *napi = {0};
+       struct ena_napi *napi = NULL;
        int i;
 
        for (i = first_index; i < first_index + count; i++) {
-- 
2.17.1