diff options
Diffstat (limited to 'sys/netinet/in_pcb.c')
| -rw-r--r-- | sys/netinet/in_pcb.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/netinet/in_pcb.c b/sys/netinet/in_pcb.c index 5adac0fddddf..8232003b3808 100644 --- a/sys/netinet/in_pcb.c +++ b/sys/netinet/in_pcb.c @@ -3399,7 +3399,12 @@ in_pcbattach_txrtlmt(struct inpcb *inp, struct ifnet *ifp, INP_WLOCK_ASSERT(inp); - if (*st != NULL) + /* + * If there is already a send tag, or the INP is being torn + * down, allocating a new send tag is not allowed. Else send + * tags may leak. + */ + if (*st != NULL || (inp->inp_flags & (INP_TIMEWAIT | INP_DROPPED)) != 0) return (EINVAL); error = m_snd_tag_alloc(ifp, ¶ms, st); |