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In tcp6_usr_attach(), return immediately if SS_ISDISCONNECTED, to

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avoid dereferencing an uninitialized inp variable.

Submitted by:	Michiel Boland <michiel at boland dot org>
MFC after:	1 month
This commit is contained in:
Robert Watson 2006-06-26 09:38:08 +00:00
parent 8ca0124685
commit b4470c1639
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=159944
1 changed files with 2 additions and 4 deletions
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6
sys/netinet/tcp_usrreq.c
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@ -647,10 +647,8 @@ tcp6_usr_accept(struct socket *so, struct sockaddr **nam)
int v4 = 0;
TCPDEBUG0;
if (so->so_state & SS_ISDISCONNECTED) {
error = ECONNABORTED;
goto out;
}
if (so->so_state & SS_ISDISCONNECTED)
return (ECONNABORTED);
inp = sotoinpcb(so);
KASSERT(inp != NULL, ("tcp6_usr_accept: inp == NULL"));