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dccp: Cleanup routines for feature negotiation

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This inserts the required de-allocation routines for memory allocated by 
feature negotiation in the socket destructors, replacing dccp_feat_clean()
in one instance.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
This commit is contained in:
Gerrit Renker 2008-09-04 07:30:19 +02:00
parent 828755cee0
commit 702083839b
4 changed files with 5 additions and 1 deletions
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2
net/dccp/dccp.h
View file

@ -442,6 +442,8 @@ static inline int dccp_ack_pending(const struct sock *sk)
inet_csk_ack_scheduled(sk);
}
extern void dccp_feat_list_purge(struct list_head *fn_list);
extern int dccp_insert_options(struct sock *sk, struct sk_buff *skb);
extern int dccp_insert_options_rsk(struct dccp_request_sock*, struct sk_buff*);
extern int dccp_insert_option_elapsed_time(struct sock *sk,

1
net/dccp/ipv4.c
View file

@ -545,6 +545,7 @@ static void dccp_v4_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
static void dccp_v4_reqsk_destructor(struct request_sock *req)
{
dccp_feat_list_purge(&dccp_rsk(req)->dreq_featneg);
kfree(inet_rsk(req)->opt);
}

1
net/dccp/ipv6.c
View file

@ -302,6 +302,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req)
static void dccp_v6_reqsk_destructor(struct request_sock *req)
{
dccp_feat_list_purge(&dccp_rsk(req)->dreq_featneg);
if (inet6_rsk(req)->pktopts != NULL)
kfree_skb(inet6_rsk(req)->pktopts);
}

2
net/dccp/proto.c
View file

@ -268,7 +268,7 @@ void dccp_destroy_sock(struct sock *sk)
dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
/* clean up feature negotiation state */
dccp_feat_clean(dmsk);
dccp_feat_list_purge(&dp->dccps_featneg);
}
EXPORT_SYMBOL_GPL(dccp_destroy_sock);