linux-kernel - [PATCH net-next 7/7] net: skbuff: Drop unused @skb

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Message-Id: <20250624-splice-drop-unused-v1-7-cf641a676d04@rbox.co>
Date: Tue, 24 Jun 2025 11:53:54 +0200
From: Michal Luczaj <mhal@...x.co>
To: "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, 
 Neal Cardwell <ncardwell@...gle.com>, Kuniyuki Iwashima <kuniyu@...gle.com>, 
 David Ahern <dsahern@...nel.org>, Boris Pismenny <borisp@...dia.com>, 
 John Fastabend <john.fastabend@...il.com>, 
 Ayush Sawal <ayush.sawal@...lsio.com>, Andrew Lunn <andrew+netdev@...n.ch>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Michal Luczaj <mhal@...x.co>
Subject: [PATCH net-next 7/7] net: skbuff: Drop unused @skb

Since its introduction in commit ce098da1497c ("skbuff: Introduce
slab_build_skb()"), __slab_build_skb() never used the @skb argument. Remove
it and adapt both callers.

No functional change intended.

Signed-off-by: Michal Luczaj <mhal@...x.co>
---
 net/core/skbuff.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index b4f7843430a3f8f84aed387bf41ae761d97687ad..b5f685b6611c177c199f70bb16fd3940bce8cded 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -384,8 +384,7 @@ static inline void __finalize_skb_around(struct sk_buff *skb, void *data,
 	skb_set_kcov_handle(skb, kcov_common_handle());
 }

-static inline void *__slab_build_skb(struct sk_buff *skb, void *data,
-				     unsigned int *size)
+static inline void *__slab_build_skb(void *data, unsigned int *size)
 {
 	void *resized;

@@ -418,7 +417,7 @@ struct sk_buff *slab_build_skb(void *data)
 		return NULL;

 	memset(skb, 0, offsetof(struct sk_buff, tail));
-	data = __slab_build_skb(skb, data, &size);
+	data = __slab_build_skb(data, &size);
 	__finalize_skb_around(skb, data, size);

 	return skb;
@@ -435,7 +434,7 @@ static void __build_skb_around(struct sk_buff *skb, void *data,
 	 * using slab buffer should use slab_build_skb() instead.
 	 */
 	if (WARN_ONCE(size == 0, "Use slab_build_skb() instead"))
-		data = __slab_build_skb(skb, data, &size);
+		data = __slab_build_skb(data, &size);

 	__finalize_skb_around(skb, data, size);
 }

-- 
2.49.0