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[AF_IUCV]: Add lock when updating accept_q

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The accept_queue of an af_iucv socket will be corrupted, if
adding and deleting of entries in this queue occurs at the
same time (connect request from one client, while accept call
is processed for another client).
Solution: add locking when updating accept_q

Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Acked-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ursula Braun
2007-07-14 19:04:25 -07:00
committed by David S. Miller
parent 13fdc9a74d
commit febca281f6
2 changed files with 15 additions and 2 deletions
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include/net/iucv/af_iucv.h
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@@ -60,6 +60,7 @@ struct iucv_sock {
char dst_user_id[8];
char dst_name[8];
struct list_head accept_q;
spinlock_t accept_q_lock;
struct sock *parent;
struct iucv_path *path;
struct sk_buff_head send_skb_q;