Check for MGET* returning NULL and return ENOBUFS in this case.

Submitted by: Bosko Milekic <bmilekic@technokratis.com>
This commit is contained in:
Jonathan Lemon 2000-06-10 17:55:57 +00:00
parent 068b0778a3
commit 6776c7cba9
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=61505

View file

@ -419,13 +419,19 @@ key_sendup(so, msg, len, target)
while (tlen > 0) {
if (tlen == len) {
MGETHDR(n, M_DONTWAIT, MT_DATA);
if (n == NULL) {
m_freem(m);
return ENOBUFS;
}
n->m_len = MHLEN;
} else {
MGET(n, M_DONTWAIT, MT_DATA);
if (n == NULL) {
m_freem(m);
return ENOBUFS;
}
n->m_len = MLEN;
}
if (!n)
return ENOBUFS;
if (tlen > MCLBYTES) { /*XXX better threshold? */
MCLGET(n, M_DONTWAIT);
if ((n->m_flags & M_EXT) == 0) {