The subh.addip_hdr pointer is also of type (struct sctp_addiphdr *), so
it does not require a cast.

Signed-off-by: Li zeming <zeming@nfschina.com>
---
 net/sctp/sm_statefuns.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 714605746fee..fa9c61d3000f 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -4044,7 +4044,7 @@ enum sctp_disposition sctp_sf_do_asconf_ack(struct net *net,
 			   (void *)err_param, commands);
 
 	if (last_asconf) {
-		addip_hdr = (struct sctp_addiphdr *)last_asconf->subh.addip_hdr;
+		addip_hdr = last_asconf->subh.addip_hdr;
 		sent_serial = ntohl(addip_hdr->serial);
 	} else {
 		sent_serial = asoc->addip_serial - 1;
-- 
2.18.2

Hello:

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

On Tue, 15 Nov 2022 10:07:05 +0800 you wrote:
> The subh.addip_hdr pointer is also of type (struct sctp_addiphdr *), so
> it does not require a cast.
> 
> Signed-off-by: Li zeming <zeming@nfschina.com>
> ---
>  net/sctp/sm_statefuns.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Here is the summary with links:
  - sctp: sm_statefuns: Remove pointer casts of the same type
    https://git.kernel.org/netdev/net-next/c/b0798310f84c

You are awesome, thank you!
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