diff options
| -rw-r--r-- | net/ipv4/tcp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 65afeaec15b..c259714c559 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2176,6 +2176,8 @@ static int do_tcp_setsockopt(struct sock *sk, int level, GFP_KERNEL); if (cvp == NULL) return -ENOMEM; + + kref_init(&cvp->kref); } lock_sock(sk); tp->rx_opt.cookie_in_always = @@ -2190,12 +2192,11 @@ static int do_tcp_setsockopt(struct sock *sk, int level, */ kref_put(&tp->cookie_values->kref, tcp_cookie_values_release); - kref_init(&cvp->kref); - tp->cookie_values = cvp; } else { cvp = tp->cookie_values; } } + if (cvp != NULL) { cvp->cookie_desired = ctd.tcpct_cookie_desired; @@ -2209,6 +2210,8 @@ static int do_tcp_setsockopt(struct sock *sk, int level, cvp->s_data_desired = ctd.tcpct_s_data_desired; cvp->s_data_constant = 0; /* false */ } + + tp->cookie_values = cvp; } release_sock(sk); return err; |