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[-next,1/2] net/ipv4: fix macro definition sk_for_each_bound_bhash

Message ID 20240823070042.3327342-1-lihongbo22@huawei.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series [-next,1/2] net/ipv4: fix macro definition sk_for_each_bound_bhash | expand

Commit Message

Hongbo Li Aug. 23, 2024, 7 a.m. UTC
The macro sk_for_each_bound_bhash accepts a parameter
__sk, but it was not used, rather the sk2 is directly
used, so we replace the sk2 with __sk in macro.

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
---
 net/ipv4/inet_connection_sock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Hongbo Li Aug. 23, 2024, 6:54 a.m. UTC | #1
Sorry, wrong subject, just ignore this.

Thanks,
Hongbo

On 2024/8/23 15:00, Hongbo Li wrote:
> The macro sk_for_each_bound_bhash accepts a parameter
> __sk, but it was not used, rather the sk2 is directly
> used, so we replace the sk2 with __sk in macro.
> 
> Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
> ---
>   net/ipv4/inet_connection_sock.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
> index 64d07b842e73..ce4d77f49243 100644
> --- a/net/ipv4/inet_connection_sock.c
> +++ b/net/ipv4/inet_connection_sock.c
> @@ -236,7 +236,7 @@ static bool inet_bhash2_conflict(const struct sock *sk,
>   
>   #define sk_for_each_bound_bhash(__sk, __tb2, __tb)			\
>   	hlist_for_each_entry(__tb2, &(__tb)->bhash2, bhash_node)	\
> -		sk_for_each_bound(sk2, &(__tb2)->owners)
> +		sk_for_each_bound((__sk), &(__tb2)->owners)
>   
>   /* This should be called only when the tb and tb2 hashbuckets' locks are held */
>   static int inet_csk_bind_conflict(const struct sock *sk,
Simon Horman Aug. 23, 2024, 4:27 p.m. UTC | #2
On Fri, Aug 23, 2024 at 03:00:42PM +0800, Hongbo Li wrote:
> The macro sk_for_each_bound_bhash accepts a parameter
> __sk, but it was not used, rather the sk2 is directly
> used, so we replace the sk2 with __sk in macro.

Thanks.

I checked and there is only one user of this macro,
a little further down in the same file in inet_csk_bind_conflict().
It's usage matches the change you have made - it passes sk2 as __sk.

Reviewed-by: Simon Horman <horms@kernel.org>
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Patch

diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 64d07b842e73..ce4d77f49243 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -236,7 +236,7 @@  static bool inet_bhash2_conflict(const struct sock *sk,
 
 #define sk_for_each_bound_bhash(__sk, __tb2, __tb)			\
 	hlist_for_each_entry(__tb2, &(__tb)->bhash2, bhash_node)	\
-		sk_for_each_bound(sk2, &(__tb2)->owners)
+		sk_for_each_bound((__sk), &(__tb2)->owners)
 
 /* This should be called only when the tb and tb2 hashbuckets' locks are held */
 static int inet_csk_bind_conflict(const struct sock *sk,