diff options
| author | Jarek Poplawski <jarkao2@gmail.com> | 2009-09-27 10:57:02 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-30 16:44:12 -0700 |
| commit | 8c185ab6185bf5e67766edb000ce428269364c86 (patch) | |
| tree | f866c6daea8affedbe04bba6948bd688e9500498 /net | |
| parent | 81bbb3d4048cf577b5babcb0834230de391a35c5 (diff) | |
| download | lwn-8c185ab6185bf5e67766edb000ce428269364c86.tar.gz lwn-8c185ab6185bf5e67766edb000ce428269364c86.zip | |
ax25: Fix possible oops in ax25_make_new
In ax25_make_new, if kmemdup of digipeat returns an error, there would
be an oops in sk_free while calling sk_destruct, because sk_protinfo
is NULL at the moment; move sk->sk_destruct initialization after this.
BTW of reported-by: Bernard Pidoux F6BVP <f6bvp@free.fr>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ax25/af_ax25.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index cd1c3dc0fe01..f45460730371 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -901,7 +901,6 @@ struct sock *ax25_make_new(struct sock *osk, struct ax25_dev *ax25_dev) sock_init_data(NULL, sk); - sk->sk_destruct = ax25_free_sock; sk->sk_type = osk->sk_type; sk->sk_priority = osk->sk_priority; sk->sk_protocol = osk->sk_protocol; @@ -939,6 +938,7 @@ struct sock *ax25_make_new(struct sock *osk, struct ax25_dev *ax25_dev) } sk->sk_protinfo = ax25; + sk->sk_destruct = ax25_free_sock; ax25->sk = sk; return sk; |