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Petr Machata 672d3ca2f3 net: sch_prio: When ungrafting, replace with FIFO 
[ Upstream commit 240ce7f6428ff5188b9eedc066e1e4d645b8635f ]

When a child Qdisc is removed from one of the PRIO Qdisc's bands, it is
replaced unconditionally by a NOOP qdisc. As a result, any traffic hitting
that band gets dropped. That is incorrect--no Qdisc was explicitly added
when PRIO was created, and after removal, none should have to be added
either.

Fix PRIO by first attempting to create a default Qdisc and only falling
back to noop when that fails. This pattern of attempting to create an
invisible FIFO, using NOOP only as a fallback, is also seen in other
Qdiscs.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-12 12:17:29 +01:00
..
6lowpan
9p
802
8021q vlan: vlan_changelink() should propagate errors 2020-01-12 12:17:28 +01:00
appletalk appletalk: Set error code if register_snap_client failed 2019-12-13 08:52:59 +01:00
atm net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
ax25
batman-adv
bluetooth Bluetooth: Fix memory leak in hci_connect_le_scan 2020-01-09 10:19:04 +01:00
bpf
bpfilter
bridge net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2020-01-04 19:13:37 +01:00
caif net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
can
ceph
core bpf: Clear skb->tstamp in bpf_redirect when necessary 2020-01-12 12:17:15 +01:00
dcb
dccp inet: stop leaking jiffies on the wire 2019-11-10 11:27:37 +01:00
decnet net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2020-01-04 19:13:37 +01:00
dns_resolver
dsa net: dsa: fix switch tree list 2019-11-10 11:27:53 +01:00
ethernet net: add annotations on hh->hh_len lockless accesses 2020-01-09 10:19:09 +01:00
hsr
ieee802154
ife
ipv4 tcp: fix "old stuff" D-SACK causing SACK to be treated as D-SACK 2020-01-12 12:17:27 +01:00
ipv6 tcp: annotate tp->rcv_nxt lockless reads 2020-01-09 10:19:08 +01:00
iucv
kcm
key
l2tp
l3mdev
lapb
llc llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c) 2020-01-12 12:17:23 +01:00
mac80211 mac80211: consider QoS Null frames for STA_NULLFUNC_ACKED 2019-12-31 16:36:13 +01:00
mac802154
mpls
ncsi
netfilter netfilter: nf_tables: validate NFT_DATA_VALUE after nft_data_init() 2020-01-12 12:17:09 +01:00
netlabel
netlink
netrom
nfc net: nfc: nci: fix a possible sleep-in-atomic-context bug in nci_uart_tty_receive() 2019-12-31 16:34:38 +01:00
nsh
openvswitch openvswitch: support asymmetric conntrack 2019-12-21 10:57:14 +01:00
packet af_packet: set defaule value for tmo 2019-12-31 16:34:35 +01:00
phonet net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
psample net: psample: fix skb_over_panic 2019-12-05 09:21:30 +01:00
qrtr net: qrtr: fix memort leak in qrtr_tun_write_iter 2019-12-13 08:52:58 +01:00
rds
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2020-01-12 12:17:17 +01:00
rose
rxrpc rxrpc: Fix possible NULL pointer access in ICMP handling 2020-01-09 10:19:08 +01:00
sched net: sch_prio: When ungrafting, replace with FIFO 2020-01-12 12:17:29 +01:00
sctp sctp: free cmd->obj.chunk for the unprocessed SCTP_CMD_REPLY 2020-01-12 12:17:27 +01:00
smc net/smc: do not wait under send_lock 2019-12-17 20:35:33 +01:00
strparser
sunrpc sunrpc: fix crash when cache_head become valid before update 2019-12-17 20:35:52 +01:00
switchdev
tipc tipc: fix ordering of tipc module init and exit routine 2019-12-21 10:57:16 +01:00
tls
unix net: fix warning in af_unix 2019-12-01 09:16:33 +01:00
vmw_vsock VSOCK: bind to random port for VMADDR_PORT_ANY 2019-12-05 09:20:19 +01:00
wimax
wireless cfg80211: call disconnect_wk when AP stops 2019-12-01 09:17:34 +01:00
x25 net/x25: fix null_x25_address handling 2019-12-13 08:52:15 +01:00
xdp xsk: proper AF_XDP socket teardown ordering 2019-11-24 08:20:32 +01:00
xfrm xfrm interface: fix management of phydev 2019-12-13 08:52:42 +01:00
compat.c
Kconfig
Makefile
socket.c net: make socket read/write_iter() honor IOCB_NOWAIT 2020-01-09 10:18:57 +01:00
sysctl_net.c