diff mbox series

[net-next,v2] net: sock: simplify tw proto registration

Message ID 20210311025736.77235-1-xiangxia.m.yue@gmail.com (mailing list archive)
State Accepted
Commit b80350f393703fa2e733921430276c98bbc092de
Delegated to: Netdev Maintainers
Headers show
Series [net-next,v2] net: sock: simplify tw proto registration | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers warning 6 maintainers not CCed: linmiaohe@huawei.com daniel@iogearbox.net edumazet@google.com pabeni@redhat.com davem@davemloft.net kuba@kernel.org
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 5 this patch: 5
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 56 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 5 this patch: 5
netdev/header_inline success Link

Commit Message

Tonghao Zhang March 11, 2021, 2:57 a.m. UTC
From: Tonghao Zhang <xiangxia.m.yue@gmail.com>

Introduce the new function tw_prot_init (inspired by
req_prot_init) to simplify "proto_register" function.

tw_prot_cleanup will take care of a partially initialized
timewait_sock_ops.

Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
---
 net/core/sock.c | 44 ++++++++++++++++++++++++++++----------------
 1 file changed, 28 insertions(+), 16 deletions(-)

Comments

patchwork-bot+netdevbpf@kernel.org March 12, 2021, 12:10 a.m. UTC | #1
Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Thu, 11 Mar 2021 10:57:36 +0800 you wrote:
> From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
> 
> Introduce the new function tw_prot_init (inspired by
> req_prot_init) to simplify "proto_register" function.
> 
> tw_prot_cleanup will take care of a partially initialized
> timewait_sock_ops.
> 
> [...]

Here is the summary with links:
  - [net-next,v2] net: sock: simplify tw proto registration
    https://git.kernel.org/netdev/net/c/b80350f39370

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
Eric Dumazet March 12, 2021, 2:15 p.m. UTC | #2
On 3/12/21 1:10 AM, patchwork-bot+netdevbpf@kernel.org wrote:
> Hello:
> 
> This patch was applied to netdev/net.git (refs/heads/master):
> 
> On Thu, 11 Mar 2021 10:57:36 +0800 you wrote:
>> From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
>>
>> Introduce the new function tw_prot_init (inspired by
>> req_prot_init) to simplify "proto_register" function.
>>
>> tw_prot_cleanup will take care of a partially initialized
>> timewait_sock_ops.
>>
>> [...]
> 
> Here is the summary with links:
>   - [net-next,v2] net: sock: simplify tw proto registration
>     https://git.kernel.org/netdev/net/c/b80350f39370
> 
> You are awesome, thank you!
> --
> Deet-doot-dot, I am a bot.
> https://korg.docs.kernel.org/patchwork/pwbot.html
> 
> 

For some reason I see the patch in net tree, not in net-next

I wonder what happened.
Tonghao Zhang March 14, 2021, 2:44 a.m. UTC | #3
On Fri, Mar 12, 2021 at 10:15 PM Eric Dumazet <eric.dumazet@gmail.com> wrote:
>
>
>
> On 3/12/21 1:10 AM, patchwork-bot+netdevbpf@kernel.org wrote:
> > Hello:
> >
> > This patch was applied to netdev/net.git (refs/heads/master):
> >
> > On Thu, 11 Mar 2021 10:57:36 +0800 you wrote:
> >> From: Tonghao Zhang <xiangxia.m.yue@gmail.com>
> >>
> >> Introduce the new function tw_prot_init (inspired by
> >> req_prot_init) to simplify "proto_register" function.
> >>
> >> tw_prot_cleanup will take care of a partially initialized
> >> timewait_sock_ops.
> >>
> >> [...]
> >
> > Here is the summary with links:
> >   - [net-next,v2] net: sock: simplify tw proto registration
> >     https://git.kernel.org/netdev/net/c/b80350f39370
> >
> > You are awesome, thank you!
> > --
> > Deet-doot-dot, I am a bot.
> > https://korg.docs.kernel.org/patchwork/pwbot.html
> >
> >
>
> For some reason I see the patch in net tree, not in net-next
>
> I wonder what happened.
my mistake, In the patch v1, I use the "net" as prefix, and v2 using "net-nextt"
diff mbox series

Patch

diff --git a/net/core/sock.c b/net/core/sock.c
index 0ed98f20448a..cc31b601ae10 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -3440,6 +3440,32 @@  static void tw_prot_cleanup(struct timewait_sock_ops *twsk_prot)
 	twsk_prot->twsk_slab = NULL;
 }
 
+static int tw_prot_init(const struct proto *prot)
+{
+	struct timewait_sock_ops *twsk_prot = prot->twsk_prot;
+
+	if (!twsk_prot)
+		return 0;
+
+	twsk_prot->twsk_slab_name = kasprintf(GFP_KERNEL, "tw_sock_%s",
+					      prot->name);
+	if (!twsk_prot->twsk_slab_name)
+		return -ENOMEM;
+
+	twsk_prot->twsk_slab =
+		kmem_cache_create(twsk_prot->twsk_slab_name,
+				  twsk_prot->twsk_obj_size, 0,
+				  SLAB_ACCOUNT | prot->slab_flags,
+				  NULL);
+	if (!twsk_prot->twsk_slab) {
+		pr_crit("%s: Can't create timewait sock SLAB cache!\n",
+			prot->name);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
 static void req_prot_cleanup(struct request_sock_ops *rsk_prot)
 {
 	if (!rsk_prot)
@@ -3496,22 +3522,8 @@  int proto_register(struct proto *prot, int alloc_slab)
 		if (req_prot_init(prot))
 			goto out_free_request_sock_slab;
 
-		if (prot->twsk_prot != NULL) {
-			prot->twsk_prot->twsk_slab_name = kasprintf(GFP_KERNEL, "tw_sock_%s", prot->name);
-
-			if (prot->twsk_prot->twsk_slab_name == NULL)
-				goto out_free_request_sock_slab;
-
-			prot->twsk_prot->twsk_slab =
-				kmem_cache_create(prot->twsk_prot->twsk_slab_name,
-						  prot->twsk_prot->twsk_obj_size,
-						  0,
-						  SLAB_ACCOUNT |
-						  prot->slab_flags,
-						  NULL);
-			if (prot->twsk_prot->twsk_slab == NULL)
-				goto out_free_timewait_sock_slab;
-		}
+		if (tw_prot_init(prot))
+			goto out_free_timewait_sock_slab;
 	}
 
 	mutex_lock(&proto_list_mutex);