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In sbappend*() family of functions clear M_PROTO flags of incoming

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mbufs. sbappendstream() already does this in m_demote().

PR:		196174
Sponsored by:	Nginx, Inc.
This commit is contained in:
Gleb Smirnoff 2014-12-22 15:39:24 +00:00
parent e3ed82bcf7
commit 53b680caa2
1 changed files with 5 additions and 1 deletions
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6
sys/kern/uipc_sockbuf.c
View file

@ -579,7 +579,7 @@ sbappend_locked(struct sockbuf *sb, struct mbuf *m)
if (m == 0)
return;
m_clrprotoflags(m);
SBLASTRECORDCHK(sb);
n = sb->sb_mb;
if (n) {
@ -732,6 +732,7 @@ sbappendrecord_locked(struct sockbuf *sb, struct mbuf *m0)
if (m0 == 0)
return;
m_clrprotoflags(m0);
/*
* Put the first mbuf on the queue. Note this permits zero length
* records.
@ -777,6 +778,8 @@ sbappendaddr_locked_internal(struct sockbuf *sb, const struct sockaddr *asa,
return (0);
m->m_len = asa->sa_len;
bcopy(asa, mtod(m, caddr_t), asa->sa_len);
if (m0)
m_clrprotoflags(m0);
if (ctrl_last)
ctrl_last->m_next = m0; /* concatenate data to control */
else
@ -872,6 +875,7 @@ sbappendcontrol_locked(struct sockbuf *sb, struct mbuf *m0,
if (space > sbspace(sb))
return (0);
m_clrprotoflags(m0);
n->m_next = m0; /* concatenate data to control */
SBLASTRECORDCHK(sb);