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Parthasarathy Bhuvaragan ff946833b7 tipc: fix hanging clients using poll with EPOLLOUT flag 
commit 517d7c79bd ("tipc: fix hanging poll() for stream sockets")
introduced a regression for clients using non-blocking sockets.
After the commit, we send EPOLLOUT event to the client even in
TIPC_CONNECTING state. This causes the subsequent send() to fail
with ENOTCONN, as the socket is still not in TIPC_ESTABLISHED state.

In this commit, we:
- improve the fix for hanging poll() by replacing sk_data_ready()
  with sk_state_change() to wake up all clients.
- revert the faulty updates introduced by commit 517d7c79bd
  ("tipc: fix hanging poll() for stream sockets").

Fixes: 517d7c79bd ("tipc: fix hanging poll() for stream sockets")
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@gmail.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2019-05-09 09:26:09 -07:00
..
Kconfig tipc: implement socket diagnostics for AF_TIPC 2018-03-22 14:43:35 -04:00
Makefile tipc: enable tracepoints in tipc 2018-12-19 11:49:24 -08:00
addr.c tipc: handle collisions of 32-bit node address hash values 2018-03-23 13:12:18 -04:00
addr.h tipc: add 128-bit node identifier 2018-03-23 13:12:18 -04:00
bcast.c tipc: add NULL pointer check 2019-04-04 17:34:11 -07:00
bcast.h tipc: fix a null pointer deref 2019-03-21 09:56:55 -07:00
bearer.c netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
bearer.h tipc: enable tracepoints in tipc 2018-12-19 11:49:24 -08:00
core.c tipc: introduce new capability flag for cluster 2019-03-19 13:56:17 -07:00
core.h tipc: introduce new capability flag for cluster 2019-03-19 13:56:17 -07:00
diag.c tipc: switch to rhashtable iterator 2018-08-29 18:04:54 -07:00
discover.c tipc: fix lockdep warning when reinitilaizing sockets 2018-11-17 22:01:31 -08:00
discover.h tipc: some cleanups in the file discover.c 2018-03-23 13:12:17 -04:00
eth_media.c
…
group.c netlink: make nla_nest_start() add NLA_F_NESTED flag 2019-04-27 17:03:44 -04:00
group.h tipc: extend sock diag for group communication 2018-06-30 21:05:42 +09:00
ib_media.c
…
link.c tipc: fix missing Name entries due to half-failover 2019-05-04 00:59:51 -04:00
link.h tipc: fix missing Name entries due to half-failover 2019-05-04 00:59:51 -04:00
monitor.c netlink: make nla_nest_start() add NLA_F_NESTED flag 2019-04-27 17:03:44 -04:00
monitor.h tipc: dump monitor attributes 2016-07-26 14:26:42 -07:00
msg.c tipc: buffer overflow handling in listener socket 2018-09-29 11:24:22 -07:00
msg.h tipc: reduce duplicate packets for unicast traffic 2019-04-04 18:29:25 -07:00
name_distr.c tipc: eliminate message disordering during binding table update 2018-10-22 19:29:12 -07:00
name_distr.h tipc: permit overlapping service ranges in name table 2018-03-31 22:19:52 -04:00
name_table.c netlink: make nla_nest_start() add NLA_F_NESTED flag 2019-04-27 17:03:44 -04:00
name_table.h tipc: eliminate message disordering during binding table update 2018-10-22 19:29:12 -07:00
net.c netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
net.h tipc: fix lockdep warning when reinitilaizing sockets 2018-11-17 22:01:31 -08:00
netlink.c genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
netlink.h tipc: make cluster size threshold for monitoring configurable 2016-07-26 14:26:42 -07:00
netlink_compat.c genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
node.c tipc: fix missing Name entries due to half-failover 2019-05-04 00:59:51 -04:00
node.h tipc: improve TIPC throughput by Gap ACK blocks 2019-04-04 18:29:25 -07:00
socket.c tipc: fix hanging clients using poll with EPOLLOUT flag 2019-05-09 09:26:09 -07:00
socket.h tipc: add trace_events for tipc socket 2018-12-19 11:49:24 -08:00
subscr.c tipc: fix unbalanced reference counter 2018-04-12 21:46:10 -04:00
subscr.h tipc: replace name table service range array with rb tree 2018-03-31 22:19:52 -04:00
sysctl.c tipc: set sysctl_tipc_rmem and named_timeout right range 2019-04-16 21:32:02 -07:00
topsrv.c tipc: fix cancellation of topology subscriptions 2019-03-21 09:09:04 -07:00
topsrv.h tipc: rename tipc_server to tipc_topsrv 2018-02-16 15:26:34 -05:00
trace.c tipc: remove unneeded semicolon in trace.c 2019-01-17 22:04:43 -08:00
trace.h tipc: add trace_events for tipc bearer 2018-12-19 11:49:25 -08:00
udp_media.c netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
udp_media.h tipc: implement configuration of UDP media MTU 2018-04-20 11:04:05 -04:00