Re: [PATCH net-next v3] net: ena: Fix using plain integer as NULL pointer in ena_init_napi_in_range

From: Shay Agroskin
Date: Mon Jul 20 2020 - 05:23:36 EST



Wang Hai <wanghai38@xxxxxxxxxx> writes:

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 <hulkci@xxxxxxxxxx>
Signed-off-by: Wang Hai <wanghai38@xxxxxxxxxx>
Suggested-by: Joe Perches <joe@xxxxxxxxxxx>
Acked-by: Shay Agroskin <shayagr@xxxxxxxxxx>
---
v1->v2:
Improve code readability based on Joe Perches's suggestion v2->v3:
Simplify code based on Joe Perches's suggestion
drivers/net/ethernet/amazon/ena/ena_netdev.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 91be3ffa1c5c..3eb63b12dd68 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -2190,14 +2190,13 @@ 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};
int i;
for (i = first_index; i < first_index + count; i++) {
- napi = &adapter->ena_napi[i];
+ struct ena_napi *napi = &adapter->ena_napi[i];
netif_napi_add(adapter->netdev,
- &adapter->ena_napi[i].napi,
+ &napi->napi,
ENA_IS_XDP_INDEX(adapter, i) ? ena_xdp_io_poll : ena_io_poll,
ENA_NAPI_BUDGET);

Acked-by: Shay Agroskin <shayagr@xxxxxxxxxx>

Thanks a lot for your work