The branch main has been updated by kib:
URL:
https://cgit.FreeBSD.org/src/commit/?id=c5a96f09df32810319d39cb905662ad7504ecd7b
commit c5a96f09df32810319d39cb905662ad7504ecd7b
Author: Konstantin Belousov <k...@freebsd.org>
AuthorDate: 2025-03-06 17:36:56 +0000
Commit: Konstantin Belousov <k...@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);
