diff options
| author | Ursula Braun <ursula.braun@de.ibm.com> | 2014-05-13 14:38:02 +0200 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-07-02 12:06:02 +0200 |
| commit | 4c9b5ae9bc67a79ec13a9ea29a0e020cd6cd0855 (patch) | |
| tree | b62bf1bd87f91392d011e5252a8ba6f24baab6c2 /net | |
| parent | e98ee26dfbe339f4ee37add68e47ed6fa0603fd9 (diff) | |
af_iucv: wrong mapping of sent and confirmed skbs
commit f5738e2ef88070ef1372e6e718124d88e9abe4ac upstream.
When sending data through IUCV a MESSAGE COMPLETE interrupt
signals that sent data memory can be freed or reused again.
With commit f9c41a62bba3f3f7ef3541b2a025e3371bcbba97
"af_iucv: fix recvmsg by replacing skb_pull() function" the
MESSAGE COMPLETE callback iucv_callback_txdone() identifies
the wrong skb as being confirmed, which leads to data corruption.
This patch fixes the skb mapping logic in iucv_callback_txdone().
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'net')
| -rw-r--r-- | net/iucv/af_iucv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index c4b7218058b6..1465363a452b 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1829,7 +1829,7 @@ static void iucv_callback_txdone(struct iucv_path *path, spin_lock_irqsave(&list->lock, flags); while (list_skb != (struct sk_buff *)list) { - if (msg->tag != IUCV_SKB_CB(list_skb)->tag) { + if (msg->tag == IUCV_SKB_CB(list_skb)->tag) { this = list_skb; break; } |