svn commit: r254736 - user/np/cxl_tuning/sys/sys
Navdeep Parhar
np at FreeBSD.org
Fri Aug 23 20:37:44 UTC 2013
Author: np
Date: Fri Aug 23 20:37:44 2013
New Revision: 254736
URL: http://svnweb.freebsd.org/changeset/base/254736
Log:
Don't leak tags when M_NOFREE | M_PKTHDR mbufs are freed.
Modified:
user/np/cxl_tuning/sys/sys/mbuf.h
Modified: user/np/cxl_tuning/sys/sys/mbuf.h
==============================================================================
--- user/np/cxl_tuning/sys/sys/mbuf.h Fri Aug 23 19:12:29 2013 (r254735)
+++ user/np/cxl_tuning/sys/sys/mbuf.h Fri Aug 23 20:37:44 2013 (r254736)
@@ -530,18 +530,6 @@ m_free_fast(struct mbuf *m)
uma_zfree_arg(zone_mbuf, m, (void *)MB_NOTAGS);
}
-static __inline struct mbuf *
-m_free(struct mbuf *m)
-{
- struct mbuf *n = m->m_next;
-
- if (m->m_flags & M_EXT)
- mb_free_ext(m);
- else if ((m->m_flags & M_NOFREE) == 0)
- uma_zfree(zone_mbuf, m);
- return (n);
-}
-
static __inline void
m_clget(struct mbuf *m, int how)
{
@@ -1000,6 +988,20 @@ m_tag_find(struct mbuf *m, int type, str
m_tag_locate(m, MTAG_ABI_COMPAT, type, start));
}
+static __inline struct mbuf *
+m_free(struct mbuf *m)
+{
+ struct mbuf *n = m->m_next;
+
+ if ((m->m_flags & (M_PKTHDR|M_NOFREE)) == (M_PKTHDR|M_NOFREE))
+ m_tag_delete_chain(m, NULL);
+ if (m->m_flags & M_EXT)
+ mb_free_ext(m);
+ else if ((m->m_flags & M_NOFREE) == 0)
+ uma_zfree(zone_mbuf, m);
+ return (n);
+}
+
static int inline
rt_m_getfib(struct mbuf *m)
{
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