diff options
| author | Robert Watson <rwatson@FreeBSD.org> | 2008-06-02 14:20:26 +0000 |
|---|---|---|
| committer | Robert Watson <rwatson@FreeBSD.org> | 2008-06-02 14:20:26 +0000 |
| commit | 53640b0e3a63184e282621037174bf0b9075170e (patch) | |
| tree | 565ab939067a2b0fd5e01b48006e3346699da8c2 /sys/netinet/tcp_subr.c | |
| parent | a147e6cadf7e0b040cabd185739a63a7f2f1d36d (diff) | |
| download | src-53640b0e3a63184e282621037174bf0b9075170e.tar.gz src-53640b0e3a63184e282621037174bf0b9075170e.zip | |
When allocating temporary storage to hold a TCP/IP packet header
template, use an M_TEMP malloc(9) allocation rather than an mbuf
with mtod(9) and dtom(9). This eliminates the last use of
dtom(9) in TCP.
MFC after: 3 weeks
Notes
Notes:
svn path=/head/; revision=179487
Diffstat (limited to 'sys/netinet/tcp_subr.c')
| -rw-r--r-- | sys/netinet/tcp_subr.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c index cb2d89a147a2..4de3e59917c9 100644 --- a/sys/netinet/tcp_subr.c +++ b/sys/netinet/tcp_subr.c @@ -385,17 +385,13 @@ tcpip_fillheaders(struct inpcb *inp, void *ip_ptr, void *tcp_ptr) struct tcptemp * tcpip_maketemplate(struct inpcb *inp) { - struct mbuf *m; - struct tcptemp *n; - - m = m_get(M_DONTWAIT, MT_DATA); - if (m == NULL) - return (0); - m->m_len = sizeof(struct tcptemp); - n = mtod(m, struct tcptemp *); + struct tcptemp *t; - tcpip_fillheaders(inp, (void *)&n->tt_ipgen, (void *)&n->tt_t); - return (n); + t = malloc(sizeof(*t), M_TEMP, M_NOWAIT); + if (t == NULL) + return (NULL); + tcpip_fillheaders(inp, (void *)&t->tt_ipgen, (void *)&t->tt_t); + return (t); } /* |