git: 80be188a8160 - stable/12 - Fix the build after b3c1846830af71ee197dcfbdd9a6bea5980cbbdd

From: Andrey V. Elsukov <ae_at_FreeBSD.org>
Date: Fri, 12 Nov 2021 12:59:33 UTC
The branch stable/12 has been updated by ae:

URL: https://cgit.FreeBSD.org/src/commit/?id=80be188a8160ba0f229823470df148a7089c5576

commit 80be188a8160ba0f229823470df148a7089c5576
Author:     Andrey V. Elsukov <ae@FreeBSD.org>
AuthorDate: 2021-11-12 12:57:18 +0000
Commit:     Andrey V. Elsukov <ae@FreeBSD.org>
CommitDate: 2021-11-12 12:57:18 +0000

    Fix the build after b3c1846830af71ee197dcfbdd9a6bea5980cbbdd
    
    stable/12 doesn't support unmapped mbufs, thus we don't need
    to use mb_unmapped_to_ext().
    
    This is direct commit to stable/12.
---
 sys/netinet/ip_divert.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/sys/netinet/ip_divert.c b/sys/netinet/ip_divert.c
index 74ff93663c58..2aa4ba7bc05e 100644
--- a/sys/netinet/ip_divert.c
+++ b/sys/netinet/ip_divert.c
@@ -218,18 +218,12 @@ divert_packet(struct mbuf *m, int incoming)
 #endif
 #ifdef INET6
 	if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA_IPV6) {
-		m = mb_unmapped_to_ext(m);
-		if (m == NULL)
-			return;
 		in6_delayed_cksum(m, m->m_pkthdr.len -
 		    sizeof(struct ip6_hdr), sizeof(struct ip6_hdr));
 		m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA_IPV6;
 	}
 #if defined(SCTP) || defined(SCTP_SUPPORT)
 	if (m->m_pkthdr.csum_flags & CSUM_SCTP_IPV6) {
-		m = mb_unmapped_to_ext(m);
-		if (m == NULL)
-			return;
 		sctp_delayed_cksum(m, sizeof(struct ip6_hdr));
 		m->m_pkthdr.csum_flags &= ~CSUM_SCTP_IPV6;
 	}