[patch 102/101] TCP: Fix minisock tcp_create_openreq_child() typo.

From: Chris Wright
Date: Wed Mar 07 2007 - 18:14:46 EST


From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

On 2/28/07, KOVACS Krisztian <hidden@xxxxxxxxxx> wrote:
>
> Hi,
>
> While reading TCP minisock code I've found this suspiciously looking
> code fragment:
>
> - 8< -
> struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req, struct sk_buff *skb)
> {
> struct sock *newsk = inet_csk_clone(sk, req, GFP_ATOMIC);
>
> if (newsk != NULL) {
> const struct inet_request_sock *ireq = inet_rsk(req);
> struct tcp_request_sock *treq = tcp_rsk(req);
> struct inet_connection_sock *newicsk = inet_csk(sk);
> struct tcp_sock *newtp;
> - 8< -
>
> The above code initializes newicsk to inet_csk(sk), isn't that supposed
> to be inet_csk(newsk)? As far as I can tell this might leave
> icsk_ack.last_seg_size zero even if we do have received data.

Good catch!

David, please apply the attached patch.

Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>

---
net/ipv4/tcp_minisocks.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.20.1.orig/net/ipv4/tcp_minisocks.c
+++ linux-2.6.20.1/net/ipv4/tcp_minisocks.c
@@ -381,7 +381,7 @@ struct sock *tcp_create_openreq_child(st
if (newsk != NULL) {
const struct inet_request_sock *ireq = inet_rsk(req);
struct tcp_request_sock *treq = tcp_rsk(req);
- struct inet_connection_sock *newicsk = inet_csk(sk);
+ struct inet_connection_sock *newicsk = inet_csk(newsk);
struct tcp_sock *newtp;

/* Now setup tcp_sock */
-
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