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tipc: fix a memleak when sending data

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This fixes a regression bug caused by:
067608e9d0 ("tipc: introduce direct
iovec to buffer chain fragmentation function")

If data is sent on a nonblocking socket and the destination link
is congested, the buffer chain is leaked. We fix this by freeing
the chain in this case.

Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Erik Hugne 2014-07-06 20:38:50 -04:00 committed by David S. Miller
parent 51ba0ed175
commit 70452dcb6d
1 changed files with 4 additions and 1 deletions
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5
net/tipc/socket.c
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@ -784,8 +784,9 @@ static int tipc_sendmsg(struct kiocb *iocb, struct socket *sock,
break;
rc = tipc_wait_for_sndmsg(sock, &timeo);
if (rc)
kfree_skb_list(buf);
} while (!rc);
exit:
if (iocb)
release_sock(sk);
@ -898,6 +899,8 @@ static int tipc_send_stream(struct kiocb *iocb, struct socket *sock,
break;
}
rc = tipc_wait_for_sndpkt(sock, &timeo);
if (rc)
kfree_skb_list(buf);
} while (!rc);
exit:
if (iocb)