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linux/net/tipc
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Erik Hugne 63fa01c147 tipc: failed transmissions should return error 
When a message could not be sent out because the destination node
or link could not be found, the full message size is returned from
sendmsg() as if it had been sent successfully. An application will
then get a false indication that it's making forward progress. This
problem has existed since the initial commit in 2.6.16.

We change this to return -ENETUNREACH if the message cannot be
delivered due to the destination node/link being unavailable. We
also get rid of the redundant tipc_reject_msg call since freeing
the buffer and doing a tipc_port_iovec_reject accomplishes exactly
the same thing.

Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-19 16:40:57 -05:00
..
addr.c tipc: compress out gratuitous extra carriage returns 2012-04-30 15:53:56 -04:00
addr.h tipc: explicitly include core.h in addr.h 2014-02-13 17:49:13 -05:00
bcast.c tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
bcast.h tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
bearer.c tipc: remove bearer_lock from tipc_bearer struct 2014-02-13 17:57:07 -05:00
bearer.h tipc: remove bearer_lock from tipc_bearer struct 2014-02-13 17:57:07 -05:00
config.c tipc: convert config_lock from spinlock to mutex 2013-06-17 15:53:01 -07:00
config.h tipc: Optimize re-initialization of configuration service 2012-04-26 17:19:07 -04:00
core.c tipc: remove 'links' list from tipc_bearer struct 2014-02-13 17:57:05 -05:00
core.h tipc: fix message corruption bug for deferred packets 2014-02-13 16:35:05 -05:00
discover.c tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
discover.h tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
eth_media.c tipc: eliminate code duplication in media layer 2013-12-11 00:17:43 -05:00
handler.c tipc: protect handler_enabled variable with qitem_lock spin lock 2013-12-10 22:35:49 -05:00
ib_media.c tipc: eliminate code duplication in media layer 2013-12-11 00:17:43 -05:00
Kconfig tipc: add InfiniBand media type 2013-04-17 14:18:33 -04:00
link.c tipc: failed transmissions should return error 2014-02-19 16:40:57 -05:00
link.h tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
log.c tipc: remove print_buf and deprecated log buffer code 2012-07-13 19:34:43 -04:00
Makefile tipc: introduce new TIPC server infrastructure 2013-06-17 15:53:00 -07:00
msg.c tipc: remove iovec length parameter from all sending functions 2013-10-18 13:20:42 -04:00
msg.h tipc: message reassembly using fragment chain 2013-11-07 18:30:11 -05:00
name_distr.c tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
name_distr.h tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
name_table.c tipc: remove unnecessary variables and conditions 2013-12-16 12:48:35 -05:00
name_table.h tipc: cosmetic realignment of function arguments 2013-06-17 15:53:01 -07:00
net.c tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
net.h tipc: change tipc_net_start routine return value type 2012-08-20 02:26:30 -07:00
netlink.c genetlink: only pass array to genl_register_family_with_ops() 2013-11-19 16:39:05 -05:00
node_subscr.c tipc: cosmetic realignment of function arguments 2013-06-17 15:53:01 -07:00
node_subscr.h tipc: compress out gratuitous extra carriage returns 2012-04-30 15:53:56 -04:00
node.c tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
node.h tipc: remove 'has_redundant_link' flag from STATE link protocol messages 2014-01-07 18:44:25 -05:00
port.c tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
port.h tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
ref.c tipc: use standard printk shortcut macros (pr_err etc.) 2012-07-13 19:24:44 -04:00
ref.h tipc: cleanup function namespace 2010-10-16 11:13:24 -07:00
server.c tipc: spelling fixes 2014-01-14 18:18:22 -08:00
server.h tipc: introduce new TIPC server infrastructure 2013-06-17 15:53:00 -07:00
socket.c tipc: align tipc function names with common naming practice in the network 2014-02-18 17:31:59 -05:00
subscr.c tipc: spelling fixes 2014-01-14 18:18:22 -08:00
subscr.h tipc: cosmetic realignment of function arguments 2013-06-17 15:53:01 -07:00
sysctl.c tipc: change socket buffer overflow control to respect sk_rcvbuf 2013-06-17 15:53:00 -07:00