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OpenCloudOS-Kernel/net/tipc
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Ying Xue 78dfb789b6 tipc: acquire necessary locks in named_cluster_distribute routine 
The 'tipc_node_list' is guarded by tipc_net_lock and 'links' array
defined in 'tipc_node' structure is protected by node lock as well.
Without acquiring the two locks in named_cluster_distribute() a fatal
oops may happen in case that a destroyed link might be got and then
accessed. Therefore, above mentioned two locks must be held in
named_cluster_distribute() to prevent the issue from happening
accidentally.

As 'links' array in node struct must be protected by node lock,
we have to move the code of selecting an active link from
tipc_link_xmit() to named_cluster_distribute() and then call
__tipc_link_xmit() with the selected link to deliver name messages.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2014-03-27 13:08:36 -04:00
..
Kconfig tipc: add InfiniBand media type 2013-04-17 14:18:33 -04:00
Makefile tipc: introduce new TIPC server infrastructure 2013-06-17 15:53:00 -07:00
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: Convert uses of __constant_<foo> to <foo> 2014-03-12 15:28:06 -04:00
bearer.h tipc: remove bearer_lock from tipc_bearer struct 2014-02-13 17:57:07 -05:00
config.c tipc: obsolete the remote management feature 2014-03-27 13:08:36 -04:00
config.h tipc: obsolete the remote management feature 2014-03-27 13:08:36 -04:00
core.c tipc: obsolete the remote management feature 2014-03-27 13:08:36 -04:00
core.h tipc: obsolete the remote management feature 2014-03-27 13:08:36 -04:00
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: don't log disabled tasklet handler errors 2014-03-06 14:46:24 -05:00
ib_media.c tipc: eliminate code duplication in media layer 2013-12-11 00:17:43 -05:00
link.c tipc: eliminate upcall function pointers between port and socket 2014-03-12 15:53:49 -04:00
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
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: acquire necessary locks in named_cluster_distribute routine 2014-03-27 13:08:36 -04:00
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: fix memory leak during module removal 2014-03-06 14:46:24 -05:00
name_table.h tipc: cosmetic realignment of function arguments 2013-06-17 15:53:01 -07:00
net.c tipc: obsolete the remote management feature 2014-03-27 13:08:36 -04:00
net.h tipc: change tipc_net_start routine return value type 2012-08-20 02:26:30 -07:00
netlink.c tipc: remove all enabled flags from all tipc components 2014-02-22 00:00:15 -05:00
node.c tipc: remove unnecessary checking for node object 2014-03-27 13:08:36 -04:00
node.h tipc: remove 'has_redundant_link' flag from STATE link protocol messages 2014-01-07 18:44:25 -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
port.c tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
port.h tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
ref.c tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
ref.h tipc: eliminate redundant lookups in registry 2014-03-12 15:53:49 -04:00
server.c tipc: fix connection refcount leak 2014-03-06 14:46:23 -05:00
server.h tipc: remove all enabled flags from all tipc components 2014-02-22 00:00:15 -05:00
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-03-14 22:31:55 -04:00
socket.h tipc: align usage of variable names and macros in socket 2014-03-12 15:53:49 -04:00
subscr.c tipc: fix spinlock recursion bug for failed subscriptions 2014-03-24 15:36:56 -04:00
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