linux-kernel - [PATCH] net: qualcomm: rmnet: Use skb_put

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Message-Id: <8abfe32db956f335d65638dfafdd3577ab6baf0e.1645338968.git.christophe.jaillet@wanadoo.fr>
Date:   Sun, 20 Feb 2022 07:36:59 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Subash Abhinov Kasiviswanathan <subashab@...eaurora.org>,
        Sean Tranchetti <stranche@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        netdev@...r.kernel.org
Subject: [PATCH] net: qualcomm: rmnet: Use skb_put_zero() to simplify code

Use skb_put_zero() instead of hand-writing it. This saves a few lines of
code and is more readable.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c
index 3676976c875b..ba194698cc14 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c
@@ -298,7 +298,6 @@ struct rmnet_map_header *rmnet_map_add_map_header(struct sk_buff *skb,
 {
 	struct rmnet_map_header *map_header;
 	u32 padding, map_datalen;
-	u8 *padbytes;
 
 	map_datalen = skb->len - hdrlen;
 	map_header = (struct rmnet_map_header *)
@@ -323,8 +322,7 @@ struct rmnet_map_header *rmnet_map_add_map_header(struct sk_buff *skb,
 	if (skb_tailroom(skb) < padding)
 		return NULL;
 
-	padbytes = (u8 *)skb_put(skb, padding);
-	memset(padbytes, 0, padding);
+	skb_put_zero(skb, padding);
 
 done:
 	map_header->pkt_len = htons(map_datalen + padding);
-- 
2.32.0