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Fix a couple of incorrect m_free() vs. m_freem() usages and related issues.

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Reviewed-by: brooks
This commit is contained in:
Luigi Rizzo 2002-04-04 05:42:09 +00:00
parent 61b60edfd3
commit 7d3e4c6e71
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=93748
3 changed files with 20 additions and 31 deletions
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38
sys/net/ethernet.h
View File

@ -102,36 +102,16 @@ extern void (*ng_ether_detach_p)(struct ifnet *ifp);
extern int (*vlan_input_p)(struct ether_header *eh, struct mbuf *m);
extern int (*vlan_input_tag_p)(struct ether_header *eh, struct mbuf *m,
u_int16_t t);
#define _VLAN_INPUT(eh, m) do { \
if (vlan_input_p != NULL) { \
if ((*vlan_input_p)(eh, m) == -1) \
(m)->m_pkthdr.rcvif->if_noproto++; \
} else { \
m_free(m); \
(m)->m_pkthdr.rcvif->if_noproto++; \
} \
} while (0)
#define VLAN_INPUT(eh, m) do { \
/* XXX: lock */ \
_VLAN_INPUT(eh, m); \
/* XXX: unlock */ \
} while (0)
#define _VLAN_INPUT_TAG(eh, m, t) do { \
if (vlan_input_tag_p != NULL) { \
if ((*vlan_input_tag_p)(eh, m, t) == -1) \
(m)->m_pkthdr.rcvif->if_noproto++; \
} else { \
m_free(m); \
(m)->m_pkthdr.rcvif->if_noproto++; \
} \
} while (0)
#define VLAN_INPUT_TAG(eh, m, t) do { \
/* XXX: lock */ \
_VLAN_INPUT_TAG(eh, m, t); \
/* XXX: unlock */ \
#define VLAN_INPUT_TAG(eh, m, t) do { \
/* XXX: lock */ \
if (vlan_input_tag_p != NULL) \
(*vlan_input_tag_p)(eh, m, t); \
else { \
(m)->m_pkthdr.rcvif->if_noproto++; \
m_freem(m); \
} \
/* XXX: unlock */ \
} while (0)
#else /* _KERNEL */

9
sys/net/if_ethersubr.c
View File

@ -585,7 +585,14 @@ ether_demux(ifp, eh, m)
return;
#endif /* NETATALK */
case ETHERTYPE_VLAN:
VLAN_INPUT(eh, m);
/* XXX lock ? */
if (vlan_input_p != NULL)
(*vlan_input_p)(eh, m);
else {
m->m_pkthdr.rcvif->if_noproto++;
m_freem(m);
}
/* XXX unlock ? */
return;
default:
#ifdef IPX

4
sys/net/if_vlan.c
View File

@ -389,7 +389,8 @@ vlan_input_tag(struct ether_header *eh, struct mbuf *m, u_int16_t t)
}
if (ifv == NULL || (ifv->ifv_if.if_flags & IFF_UP) == 0) {
m_free(m);
m->m_pkthdr.rcvif->if_noproto++;
m_freem(m);
return -1; /* So the parent can take note */
}
@ -419,6 +420,7 @@ vlan_input(struct ether_header *eh, struct mbuf *m)
}
if (ifv == NULL || (ifv->ifv_if.if_flags & IFF_UP) == 0) {
m->m_pkthdr.rcvif->if_noproto++;
m_freem(m);
return -1; /* so ether_input can take note */
}