diff mbox series

[net-next] net: remove skb_free_datagram_locked()

Message ID 20240325134155.620531-1-edumazet@google.com (mailing list archive)
State Accepted
Commit 6e06312035032924fc97f2050bfe85e63ca26514
Delegated to: Netdev Maintainers
Headers show
Series [net-next] net: remove skb_free_datagram_locked() | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 5800 this patch: 5800
netdev/build_tools success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 2 maintainers not CCed: brauner@kernel.org dhowells@redhat.com
netdev/build_clang success Errors and warnings before: 1077 this patch: 1077
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 6084 this patch: 6084
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 37 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-03-26--09-00 (tests: 946)

Commit Message

Eric Dumazet March 25, 2024, 1:41 p.m. UTC
Last user of skb_free_datagram_locked() went away in 2016
with commit 850cbaddb52d ("udp: use it's own memory
accounting schema").

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
---
 include/linux/skbuff.h |  6 ------
 net/core/datagram.c    | 19 -------------------
 2 files changed, 25 deletions(-)

Comments

Simon Horman March 25, 2024, 7:04 p.m. UTC | #1
On Mon, Mar 25, 2024 at 01:41:55PM +0000, Eric Dumazet wrote:
> Last user of skb_free_datagram_locked() went away in 2016
> with commit 850cbaddb52d ("udp: use it's own memory
> accounting schema").
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>

Not that it really matters, but I think this function had just one last
user until: 4af8b42e5629 ("SUNRPC: Remove dead code in svc_tcp_release_rqst()")

In any case, this looks good to me.

Reviewed-by: Simon Horman <horms@kernel.org>
patchwork-bot+netdevbpf@kernel.org March 26, 2024, 2:50 p.m. UTC | #2
Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Mon, 25 Mar 2024 13:41:55 +0000 you wrote:
> Last user of skb_free_datagram_locked() went away in 2016
> with commit 850cbaddb52d ("udp: use it's own memory
> accounting schema").
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
> 
> [...]

Here is the summary with links:
  - [net-next] net: remove skb_free_datagram_locked()
    https://git.kernel.org/netdev/net-next/c/6e0631203503

You are awesome, thank you!
diff mbox series

Patch

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 0c7c67b3a87b2351a3a65408c6d00b6eadf583bb..b945af8a620881ad07ed465cc1c46a2cf6d95333 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -4063,12 +4063,6 @@  int skb_copy_datagram_from_iter(struct sk_buff *skb, int offset,
 				 struct iov_iter *from, int len);
 int zerocopy_sg_from_iter(struct sk_buff *skb, struct iov_iter *frm);
 void skb_free_datagram(struct sock *sk, struct sk_buff *skb);
-void __skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb, int len);
-static inline void skb_free_datagram_locked(struct sock *sk,
-					    struct sk_buff *skb)
-{
-	__skb_free_datagram_locked(sk, skb, 0);
-}
 int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags);
 int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len);
 int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len);
diff --git a/net/core/datagram.c b/net/core/datagram.c
index a8b625abe242c657dca8cd0188c236553757c6b2..e614cfd8e14a50a08c764dfed30c2e0838413a93 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -324,25 +324,6 @@  void skb_free_datagram(struct sock *sk, struct sk_buff *skb)
 }
 EXPORT_SYMBOL(skb_free_datagram);
 
-void __skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb, int len)
-{
-	bool slow;
-
-	if (!skb_unref(skb)) {
-		sk_peek_offset_bwd(sk, len);
-		return;
-	}
-
-	slow = lock_sock_fast(sk);
-	sk_peek_offset_bwd(sk, len);
-	skb_orphan(skb);
-	unlock_sock_fast(sk, slow);
-
-	/* skb is now orphaned, can be freed outside of locked section */
-	__kfree_skb(skb);
-}
-EXPORT_SYMBOL(__skb_free_datagram_locked);
-
 int __sk_queue_drop_skb(struct sock *sk, struct sk_buff_head *sk_queue,
 			struct sk_buff *skb, unsigned int flags,
 			void (*destructor)(struct sock *sk,