git: c5a96f09df32 - main - mb_unmapped_to_ext(): fix m_free()/m_freem() use

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=c5a96f09df32810319d39cb905662ad7504ecd7b

commit c5a96f09df32810319d39cb905662ad7504ecd7b
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2025-03-06 17:36:56 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2025-03-10 20:16:58 +0000

    mb_unmapped_to_ext(): fix m_free()/m_freem() use
    
    The top of the chain is supposed to be freed in mb_unmapped_to_ext(),
    use m_freem().  The _mb_unmapped_to_ext() helper only needs to work on
    the passed mbuf, use m_free().
    
    Reviewed by:    glebius
    Sponsored by:   NVidia networking
    MFC after:      1 week
    Differential revision:  https://reviews.freebsd.org/D49305
---
 sys/kern/kern_mbuf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/kern/kern_mbuf.c b/sys/kern/kern_mbuf.c
index 26be33658ab9..2b2b032e644c 100644
--- a/sys/kern/kern_mbuf.c
+++ b/sys/kern/kern_mbuf.c
@@ -950,7 +950,7 @@ _mb_unmapped_to_ext(struct mbuf *m, struct mbuf **mres)
 
 	if (m->m_epg_tls != NULL) {
 		/* can't convert TLS mbuf */
-		m_freem(m);
+		m_free(m);
 		*mres = NULL;
 		return (EINVAL);
 	}
@@ -1099,7 +1099,7 @@ mb_unmapped_to_ext(struct mbuf *top, struct mbuf **mres)
 			error = _mb_unmapped_to_ext(m, &m1);
 			if (error != 0) {
 				if (top != m)
-					m_free(top);
+					m_freem(top);
 				m_freem(next);
 				*mres = NULL;
 				return (error);