diff options
Diffstat (limited to 'sys/kern/uipc_sockbuf.c')
| -rw-r--r-- | sys/kern/uipc_sockbuf.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/sys/kern/uipc_sockbuf.c b/sys/kern/uipc_sockbuf.c index 3ab8f3a..a404d69 100644 --- a/sys/kern/uipc_sockbuf.c +++ b/sys/kern/uipc_sockbuf.c @@ -959,15 +959,12 @@ sbcreatecontrol(p, size, type, level) if (CMSG_SPACE((u_int)size) > MCLBYTES) return ((struct mbuf *) NULL); - if ((m = m_get(M_DONTWAIT, MT_CONTROL)) == NULL) + if (CMSG_SPACE((u_int)size > MLEN)) + m = m_getcl(M_DONTWAIT, MT_CONTROL, 0); + else + m = m_get(M_DONTWAIT, MT_CONTROL); + if (m == NULL) return ((struct mbuf *) NULL); - if (CMSG_SPACE((u_int)size) > MLEN) { - MCLGET(m, M_DONTWAIT); - if ((m->m_flags & M_EXT) == 0) { - m_free(m); - return ((struct mbuf *) NULL); - } - } cp = mtod(m, struct cmsghdr *); m->m_len = 0; KASSERT(CMSG_SPACE((u_int)size) <= M_TRAILINGSPACE(m), |
