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Prefer NULL to returning 0 cast to a pointer type.

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MFC after:	3 days
This commit is contained in:
Robert Watson 2005-02-20 15:56:13 +00:00
parent a00428ef92
commit 2b85a170d1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=142128
2 changed files with 6 additions and 6 deletions
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6
sys/kern/uipc_sockbuf.c
View File

@ -223,10 +223,10 @@ sonewconn(head, connstatus)
over = (head->so_qlen > 3 * head->so_qlimit / 2);
ACCEPT_UNLOCK();
if (over)
return ((struct socket *)0);
return (NULL);
so = soalloc(M_NOWAIT);
if (so == NULL)
return ((struct socket *)0);
return (NULL);
if ((head->so_options & SO_ACCEPTFILTER) != 0)
connstatus = 0;
so->so_head = head;
@ -247,7 +247,7 @@ sonewconn(head, connstatus)
if (soreserve(so, head->so_snd.sb_hiwat, head->so_rcv.sb_hiwat) ||
(*so->so_proto->pr_usrreqs->pru_attach)(so, 0, NULL)) {
sodealloc(so);
return ((struct socket *)0);
return (NULL);
}
so->so_state |= connstatus;
ACCEPT_LOCK();

6
sys/kern/uipc_socket2.c
View File

@ -223,10 +223,10 @@ sonewconn(head, connstatus)
over = (head->so_qlen > 3 * head->so_qlimit / 2);
ACCEPT_UNLOCK();
if (over)
return ((struct socket *)0);
return (NULL);
so = soalloc(M_NOWAIT);
if (so == NULL)
return ((struct socket *)0);
return (NULL);
if ((head->so_options & SO_ACCEPTFILTER) != 0)
connstatus = 0;
so->so_head = head;
@ -247,7 +247,7 @@ sonewconn(head, connstatus)
if (soreserve(so, head->so_snd.sb_hiwat, head->so_rcv.sb_hiwat) ||
(*so->so_proto->pr_usrreqs->pru_attach)(so, 0, NULL)) {
sodealloc(so);
return ((struct socket *)0);
return (NULL);
}
so->so_state |= connstatus;
ACCEPT_LOCK();