netdev - [PATCH net-next] net: bcmgenet: return NULL instead of plain integer

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Message-ID: <1522241479-77691-1-git-send-email-weiyongjun1@huawei.com>
Date:   Wed, 28 Mar 2018 12:51:19 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     Doug Berger <opendmb@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>
CC:     Wei Yongjun <weiyongjun1@...wei.com>, <netdev@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: [PATCH net-next] net: bcmgenet: return NULL instead of plain integer

Fixes the following sparse warning:

drivers/net/ethernet/broadcom/genet/bcmgenet.c:1351:16: warning:
 Using plain integer as NULL pointer

Signed-off-by: Wei Yongjun <weiyongjun1@...wei.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 7db8edc..2f4cb5c 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1348,7 +1348,7 @@ 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 */