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Paolo Abeni 8555c6bfd5 mptcp: fix bogus sendmsg() return code under pressure 
In case of memory pressure, mptcp_sendmsg() may call
sk_stream_wait_memory() after succesfully xmitting some
bytes. If the latter fails we currently return to the
user-space the error code, ignoring the succeful xmit.

Address the issue always checking for the xmitted bytes
before mptcp_sendmsg() completes.

Fixes: f296234c98a8 ("mptcp: Add handling of incoming MP_JOIN requests")
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-03 18:14:20 -07:00
..
6lowpan
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
9p
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-08-02 01:02:12 -07:00
802
net: 802: psnap.c: Use built-in RCU list checking
2020-02-24 13:02:53 -08:00
8021q
net: get rid of lockdep_set_class_and_subclass()
2020-06-28 21:37:23 -07:00
appletalk
appletalk: Fix atalk_proc_init() return path
2020-08-03 15:48:32 -07:00
atm
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
ax25
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-07-25 17:49:04 -07:00
batman-adv
batman-adv: Introduce a configurable per interface hop penalty
2020-06-26 10:37:11 +02:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-08-02 01:02:12 -07:00
bpf
bpf: Add tests for PTR_TO_BTF_ID vs. null comparison
2020-06-30 22:21:29 +02:00
bpfilter
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-08-02 01:02:12 -07:00
bridge
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2020-08-03 16:03:18 -07:00
caif
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
can
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
ceph
libceph: don't omit used_replica in target_copy()
2020-06-16 16:02:08 +02:00
core
devlink: Pass extack when setting trap's action and group's parameters
2020-08-03 18:06:46 -07:00
dcb
dcb_doit: remove redundant skb check
2020-06-23 20:27:09 -07:00
dccp
net: remove sockptr_advance
2020-07-28 13:43:40 -07:00
decnet
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2020-08-03 16:03:18 -07:00
dns_resolver
docs: networking: convert dns_resolver.txt to ReST
2020-04-28 14:39:46 -07:00
dsa
net: dsa: stop overriding master's ndo_get_phys_port_name
2020-07-23 15:14:58 -07:00
ethernet
net: move devres helpers into a separate source file
2020-05-23 16:56:17 -07:00
ethtool
ethtool: ethnl_set_linkmodes: remove redundant null check
2020-08-03 15:11:49 -07:00
hsr
hsr: Use %pM format specifier for MAC addresses
2020-07-31 16:46:26 -07:00
ieee802154
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
ife
…
ipv4
tcp: apply a floor of 1 for RTT samples from TCP timestamps
2020-08-03 17:54:03 -07:00
ipv6
seg6_iptunnel: Refactor seg6_lwt_headroom out of uapi header
2020-08-03 17:57:40 -07:00
iucv
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
kcm
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
key
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-08-02 01:02:12 -07:00
l2tp
l2tp: improve API documentation in l2tp_core.h
2020-07-30 16:45:31 -07:00
l3mdev
l3mdev: add infrastructure for table to VRF mapping
2020-06-20 17:22:22 -07:00
lapb
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
llc
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
mac80211
mac80211: Do not report beacon loss if beacon filtering enabled
2020-08-03 13:02:06 +02:00
mac802154
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
mpls
net: Removed the device type check to add mpls support for devices
2020-07-27 11:40:47 -07:00
mptcp
mptcp: fix bogus sendmsg() return code under pressure
2020-08-03 18:14:20 -07:00
ncsi
net/ncsi: use eth_zero_addr() to clear mac address
2020-07-23 11:49:41 -07:00
netfilter
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2020-08-03 16:03:18 -07:00
netlabel
net: netlabel: kerneldoc fixes
2020-07-13 17:20:40 -07:00
netlink
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
netrom
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
nfc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-07-25 17:49:04 -07:00
nsh
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
openvswitch
net: openvswitch: make masks cache size configurable
2020-08-03 15:17:48 -07:00
packet
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
phonet
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
psample
net: psample: fix build error when CONFIG_INET is not enabled
2020-05-23 16:36:05 -07:00
qrtr
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-07-25 17:49:04 -07:00
rds
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-08-02 01:02:12 -07:00
rfkill
…
rose
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
rxrpc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-08-02 01:02:12 -07:00
sched
net/sched: act_ct: fix miss set mru for ovs after defrag in act_ct
2020-08-03 15:04:48 -07:00
sctp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-07-25 17:49:04 -07:00
smc
net/smc: unique reason code for exceeded max dmb count
2020-07-27 10:30:01 -07:00
strparser
…
sunrpc
xprtrdma: fix incorrect header size calculations
2020-07-15 13:01:01 -04:00
switchdev
net: switchdev: kerneldoc fixes
2020-07-13 17:20:40 -07:00
tipc
tipc: Use is_broadcast_ether_addr() instead of memcmp()
2020-08-03 16:21:46 -07:00
tls
net: remove sockptr_advance
2020-07-28 13:43:40 -07:00
unix
net: make ->{get,set}sockopt in proto_ops optional
2020-07-19 18:16:41 -07:00
vmw_vsock
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-07-25 17:49:04 -07:00
wimax
…
wireless
nl80211: use eth_zero_addr() to clear mac address
2020-08-03 10:56:22 +02:00
x25
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
xdp
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
xfrm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-08-02 01:02:12 -07:00
compat.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-08-02 01:02:12 -07:00
devres.c
net: devres: rename the release callback of devm_register_netdev()
2020-06-30 15:57:34 -07:00
Kconfig
net: ethtool: Remove PHYLIB direct dependency
2020-07-07 15:41:05 -07:00
Makefile
net: move devres helpers into a separate source file
2020-05-23 16:56:17 -07:00
socket.c
net: improve the user pointer check in init_user_sockptr
2020-07-28 13:43:40 -07:00
sysctl_net.c
…