[PATCH][next] net: bcmgenet: return NULL rather than 0 for null pointer

[Colin King]

From: Colin Ian King <colin.k...@canonical.com>

Don't return plain integer 0, instead return NULL

Fixes sparse warning:
warning: Using plain integer as NULL pointer

Signed-off-by: Colin Ian King <colin.k...@canonical.com>
---
 drivers/net/ethernet/broadcom/genet/bcmgenet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c 
b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 7b0b399aaedd..13a35f504081 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1303,7 +1303,7 @@ static struct sk_buff *bcmgenet_free_tx_cb(struct device 
*dev,
                dma_unmap_addr_set(cb, dma_addr, 0);
        }
 
-       return 0;
+       return NULL;
 }
 
 /* Simple helper to free a receive control block's resources */
-- 
2.11.0