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ax25: Fix possible oops in ax25_make_new

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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>
This commit is contained in:
Jarek Poplawski 2009-09-27 10:57:02 +00:00 committed by David S. Miller
parent 81bbb3d404
commit 8c185ab618
1 changed files with 1 additions and 1 deletions
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2
net/ax25/af_ax25.c
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@ -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;