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netlink: Rename pid to portid to avoid confusion

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It is a frequent mistake to confuse the netlink port identifier with a
process identifier.  Try to reduce this confusion by renaming fields
that hold port identifiers portid instead of pid.

I have carefully avoided changing the structures exported to
userspace to avoid changing the userspace API.

I have successfully built an allyesconfig kernel with this change.

Signed-off-by: "Eric W. Biederman" <[email protected]>
Acked-by: Stephen Hemminger <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Eric W. Biederman 2012-09-07 20:12:54 +00:00 • committed by David S. Miller
commit 15e473046c
75 changed files with 728 additions and 728 deletions
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14
net/unix/diag.c
View file

@ -110,12 +110,12 @@ static int sk_diag_show_rqlen(struct sock *sk, struct sk_buff *nlskb)
}
static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_req *req,
u32 pid, u32 seq, u32 flags, int sk_ino)
u32 portid, u32 seq, u32 flags, int sk_ino)
{
struct nlmsghdr *nlh;
struct unix_diag_msg *rep;
nlh = nlmsg_put(skb, pid, seq, SOCK_DIAG_BY_FAMILY, sizeof(*rep),
nlh = nlmsg_put(skb, portid, seq, SOCK_DIAG_BY_FAMILY, sizeof(*rep),
flags);
if (!nlh)
return -EMSGSIZE;
@ -159,7 +159,7 @@ out_nlmsg_trim:
}
static int sk_diag_dump(struct sock *sk, struct sk_buff *skb, struct unix_diag_req *req,
u32 pid, u32 seq, u32 flags)
u32 portid, u32 seq, u32 flags)
{
int sk_ino;
@ -170,7 +170,7 @@ static int sk_diag_dump(struct sock *sk, struct sk_buff *skb, struct unix_diag_r
if (!sk_ino)
return 0;
return sk_diag_fill(sk, skb, req, pid, seq, flags, sk_ino);
return sk_diag_fill(sk, skb, req, portid, seq, flags, sk_ino);
}
static int unix_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
@ -200,7 +200,7 @@ static int unix_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
if (!(req->udiag_states & (1 << sk->sk_state)))
goto next;
if (sk_diag_dump(sk, skb, req,
NETLINK_CB(cb->skb).pid,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
NLM_F_MULTI) < 0)
goto done;
@ -267,7 +267,7 @@ again:
if (!rep)
goto out;
err = sk_diag_fill(sk, rep, req, NETLINK_CB(in_skb).pid,
err = sk_diag_fill(sk, rep, req, NETLINK_CB(in_skb).portid,
nlh->nlmsg_seq, 0, req->udiag_ino);
if (err < 0) {
nlmsg_free(rep);
@ -277,7 +277,7 @@ again:
goto again;
}
err = netlink_unicast(net->diag_nlsk, rep, NETLINK_CB(in_skb).pid,
err = netlink_unicast(net->diag_nlsk, rep, NETLINK_CB(in_skb).portid,
MSG_DONTWAIT);
if (err > 0)
err = 0;