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- Replace compat macros with function calls.

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- Remove superfluous cleaning of m_len after allocating.

Sponsored by:	Nginx, Inc.
This commit is contained in:
glebius 2013-03-16 08:57:36 +00:00
parent 9d8d25cc83
commit 9edd6e1174
1 changed files with 15 additions and 17 deletions
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32
sys/kern/uipc_mbuf.c
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@ -530,8 +530,8 @@ m_dup_pkthdr(struct mbuf *to, struct mbuf *from, int how)
#if 0
/*
* The mbuf allocator only initializes the pkthdr
* when the mbuf is allocated with MGETHDR. Many users
* (e.g. m_copy*, m_prepend) use MGET and then
* when the mbuf is allocated with m_gethdr(). Many users
* (e.g. m_copy*, m_prepend) use m_get() and then
* smash the pkthdr as needed causing these
* assertions to trip. For now just disable them.
*/
@ -563,15 +563,15 @@ m_prepend(struct mbuf *m, int len, int how)
struct mbuf *mn;
if (m->m_flags & M_PKTHDR)
MGETHDR(mn, how, m->m_type);
mn = m_gethdr(how, m->m_type);
else
MGET(mn, how, m->m_type);
mn = m_get(how, m->m_type);
if (mn == NULL) {
m_freem(m);
return (NULL);
}
if (m->m_flags & M_PKTHDR)
M_MOVE_PKTHDR(mn, m);
m_move_pkthdr(mn, m);
mn->m_next = m;
m = mn;
if(m->m_flags & M_PKTHDR) {
@ -621,9 +621,9 @@ m_copym(struct mbuf *m, int off0, int len, int wait)
break;
}
if (copyhdr)
MGETHDR(n, wait, m->m_type);
n = m_gethdr(wait, m->m_type);
else
MGET(n, wait, m->m_type);
n = m_get(wait, m->m_type);
*np = n;
if (n == NULL)
goto nospace;
@ -822,7 +822,7 @@ m_copypacket(struct mbuf *m, int how)
struct mbuf *top, *n, *o;
MBUF_CHECKSLEEP(how);
MGET(n, how, m->m_type);
n = m_get(how, m->m_type);
top = n;
if (n == NULL)
goto nospace;
@ -840,7 +840,7 @@ m_copypacket(struct mbuf *m, int how)
m = m->m_next;
while (m) {
MGET(o, how, m->m_type);
o = m_get(how, m->m_type);
if (o == NULL)
goto nospace;
@ -1096,12 +1096,11 @@ m_pullup(struct mbuf *n, int len)
} else {
if (len > MHLEN)
goto bad;
MGET(m, M_NOWAIT, n->m_type);
m = m_get(M_NOWAIT, n->m_type);
if (m == NULL)
goto bad;
m->m_len = 0;
if (n->m_flags & M_PKTHDR)
M_MOVE_PKTHDR(m, n);
m_move_pkthdr(m, n);
}
space = &m->m_dat[MLEN] - (m->m_data + m->m_len);
do {
@ -1144,12 +1143,11 @@ m_copyup(struct mbuf *n, int len, int dstoff)
if (len > (MHLEN - dstoff))
goto bad;
MGET(m, M_NOWAIT, n->m_type);
m = m_get(M_NOWAIT, n->m_type);
if (m == NULL)
goto bad;
m->m_len = 0;
if (n->m_flags & M_PKTHDR)
M_MOVE_PKTHDR(m, n);
m_move_pkthdr(m, n);
m->m_data += dstoff;
space = &m->m_dat[MLEN] - (m->m_data + m->m_len);
do {
@ -1200,7 +1198,7 @@ m_split(struct mbuf *m0, int len0, int wait)
return (NULL);
remain = m->m_len - len;
if (m0->m_flags & M_PKTHDR) {
MGETHDR(n, wait, m0->m_type);
n = m_gethdr(wait, m0->m_type);
if (n == NULL)
return (NULL);
n->m_pkthdr.rcvif = m0->m_pkthdr.rcvif;
@ -1226,7 +1224,7 @@ m_split(struct mbuf *m0, int len0, int wait)
m->m_next = NULL;
return (n);
} else {
MGET(n, wait, m->m_type);
n = m_get(wait, m->m_type);
if (n == NULL)
return (NULL);
M_ALIGN(n, remain);