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alistair23-linux/net/rds
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Ka-Cheong Poon a43cced9a3 rds: MP-RDS may use an invalid c_path 
rds_sendmsg() calls rds_send_mprds_hash() to find a c_path to use to
send a message.  Suppose the RDS connection is not yet up.  In
rds_send_mprds_hash(), it does

	if (conn->c_npaths == 0)
		wait_event_interruptible(conn->c_hs_waitq,
					 (conn->c_npaths != 0));

If it is interrupted before the connection is set up,
rds_send_mprds_hash() will return a non-zero hash value.  Hence
rds_sendmsg() will use a non-zero c_path to send the message.  But if
the RDS connection ends up to be non-MP capable, the message will be
lost as only the zero c_path can be used.

Signed-off-by: Ka-Cheong Poon <ka-cheong.poon@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2018-04-11 10:24:01 -04:00
..
Kconfig RDS: Drop stale iWARP RDMA transport 2016-03-02 14:13:17 -05:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
af_rds.c rds: use list structure to track information for zerocopy completion notification 2018-03-07 18:05:57 -05:00
bind.c rds; Reset rs->rs_bound_addr in rds_add_bound() failure path 2017-12-27 13:37:27 -05:00
cong.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
connection.c net: rds: drop VLA in rds_walk_conn_path_info() 2018-03-12 15:07:00 -04:00
ib.c net: rds: drop VLA in rds_for_each_conn_info() 2018-03-12 15:06:59 -04:00
ib.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
ib_cm.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
ib_fmr.c net/rds/ib_fmr.c: use kmalloc_array_node() 2017-11-15 18:21:02 -08:00
ib_frmr.c RDS: IB: split the mr registration and invalidation path 2017-01-02 14:02:47 -08:00
ib_mr.h rds: ib: add the static type to the function 2017-03-13 23:20:05 -07:00
ib_rdma.c RDS: IB: Initialize max_items based on underlying device attributes 2017-10-05 21:16:33 -07:00
ib_recv.c rds: ib: Fix NULL pointer dereference in debug code 2017-11-10 14:54:47 +09:00
ib_ring.c RDS/IW+IB: Set recv ring low water mark to 1/2 full. 2009-04-09 17:21:14 -07:00
ib_send.c rds: Fix inaccurate accounting of unsignaled wrs 2017-10-26 17:35:57 +09:00
ib_stats.c RDS: IB: add few useful cache stasts 2017-01-02 14:02:51 -08:00
ib_sysctl.c net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
info.c rds: fix an integer overflow test in rds_info_getsockopt() 2015-08-03 15:20:16 -07:00
info.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
loop.c RDS: TCP: Hooks to set up a single connection path 2016-07-01 16:45:17 -04:00
loop.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
message.c rds: remove redundant variable 'sg_off' 2018-03-12 11:12:38 -04:00
page.c rds: remove dead code 2016-12-26 21:35:39 -05:00
rdma.c RDS: null pointer dereference in rds_atomic_free_op 2018-01-04 14:19:26 -05:00
rdma_transport.c RDS: RDMA: start rdma listening after init 2017-01-02 14:02:45 -08:00
rdma_transport.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rds.h net: rds: drop VLA in rds_for_each_conn_info() 2018-03-12 15:06:59 -04:00
rds_single_path.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
recv.c rds: use list structure to track information for zerocopy completion notification 2018-03-07 18:05:57 -05:00
send.c rds: MP-RDS may use an invalid c_path 2018-04-11 10:24:01 -04:00
stats.c net/rds: zero last byte for strncpy 2013-03-08 00:35:44 -05:00
sysctl.c net: rds: fix coding style issues 2016-06-18 21:34:09 -07:00
tcp.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
tcp.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-01-23 13:51:56 -05:00
tcp_connect.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
tcp_listen.c rds: Incorrect reference counting in TCP socket creation 2018-03-02 09:40:27 -05:00
tcp_recv.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
tcp_send.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
tcp_stats.c net: rds: fix const array syntax 2011-07-01 16:16:19 -07:00
threads.c rds: tcp: use rds_destroy_pending() to synchronize netns/module teardown and rds connection/workq management 2018-02-08 15:23:52 -05:00
transport.c rds: remove unnecessary returned value check 2017-03-03 09:51:22 -08:00