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Petr Machata 94f885db2a net: dcb: For wild-card lookups, use priority -1, not 0 
[ Upstream commit 08193d1a89 ]

The function dcb_app_lookup walks the list of specified DCB APP entries,
looking for one that matches a given criteria: ifindex, selector,
protocol ID and optionally also priority. The "don't care" value for
priority is set to 0, because that priority has not been allowed under
CEE regime, which predates the IEEE standardization.

Under IEEE, 0 is a valid priority number. But because dcb_app_lookup
considers zero a wild card, attempts to add an APP entry with priority 0
fail when other entries exist for a given ifindex / selector / PID
triplet.

Fix by changing the wild-card value to -1.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2018-09-19 22:43:43 +02:00
..
6lowpan License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
9p net/9p: fix error path of p9_virtio_probe 2018-09-15 09:45:29 +02:00
802 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
8021q net: fix use-after-free in GRO with ESP 2018-07-22 14:28:44 +02:00
appletalk License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
atm atm: Preserve value of skb->truesize when accounting to vcc 2018-07-22 14:28:43 +02:00
ax25 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
batman-adv batman-adv: Fix multicast TT issues with bogus ROAM flags 2018-08-24 13:09:05 +02:00
bluetooth Bluetooth: hidp: Fix handling of strncpy for hid->name information 2018-09-19 22:43:42 +02:00
bpf bpf: Align packet data properly in program testing framework. 2017-05-02 11:46:28 -04:00
bridge netfilter: ebtables: reject non-bridge targets 2018-07-22 14:28:49 +02:00
caif net: caif: Add a missing rcu_read_unlock() in caif_flow_cb 2018-09-05 09:26:27 +02:00
can can: af_can: canfd_rcv(): replace WARN_ONCE by pr_warn_once 2018-01-23 19:58:17 +01:00
ceph libceph, ceph: avoid memory leak when specifying same option several times 2018-05-30 07:52:04 +02:00
core bpf: use GFP_ATOMIC instead of GFP_KERNEL in bpf_parse_prog() 2018-09-05 09:26:30 +02:00
dcb net: dcb: For wild-card lookups, use priority -1, not 0 2018-09-19 22:43:43 +02:00
dccp dccp: fix undefined behavior with 'cwnd' shift in ccid2_cwnd_restart() 2018-08-22 07:46:08 +02:00
decnet dn_getsockoptdecnet: move nf_{get/set}sockopt outside sock lock 2018-02-25 11:07:52 +01:00
dns_resolver KEYS: DNS: fix parsing multiple options 2018-07-22 14:28:49 +02:00
dsa net: dsa: Do not suspend/resume closed slave_dev 2018-08-06 16:20:48 +02:00
ethernet networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
hsr net/hsr: Check skb_put_padto() return value 2017-08-22 13:40:23 -07:00
ieee802154 net: 6lowpan: fix reserved space for single frames 2018-09-09 19:55:52 +02:00
ife net: sched: ife: check on metadata length 2018-04-29 11:33:13 +02:00
ipv4 tcp, ulp: add alias for all ulp modules 2018-09-15 09:45:29 +02:00
ipv6 netfilter: ip6t_rpfilter: set F_IFACE for linklocal addresses 2018-09-15 09:45:28 +02:00
ipx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iucv net/iucv: Free memory obtained by kzalloc 2018-03-31 18:10:41 +02:00
kcm kcm: Fix use-after-free caused by clonned sockets 2018-06-11 22:49:19 +02:00
key af_key: Always verify length of provided sadb_key 2018-06-16 09:45:14 +02:00
l2tp l2tp: use sk_dst_check() to avoid race on sk->sk_dst_cache 2018-08-22 07:46:08 +02:00
l3mdev
…
lapb net, lapb: convert lapb_cb.refcnt from atomic_t to refcount_t 2017-07-04 22:35:16 +01:00
llc llc: use refcount_inc_not_zero() for llc_sap_find() 2018-08-22 07:46:08 +02:00
mac80211 mac80211: add stations tied to AP_VLANs during hw reconfig 2018-09-05 09:26:23 +02:00
mac802154 net: mac802154: tx: expand tailroom if necessary 2018-09-09 19:55:52 +02:00
mpls mpls, nospec: Sanitize array index in mpls_label_ok() 2018-02-22 15:42:28 +01:00
ncsi net/ncsi: Fix length of GVI response packet 2017-10-21 01:56:38 +01:00
netfilter netfilter: fix memory leaks on netlink_dump_start error 2018-09-15 09:45:28 +02:00
netlabel netlabel: If PF_INET6, check sk_buff ip header version 2018-05-30 07:52:40 +02:00
netlink netlink: Don't shift on 64 for ngroups 2018-08-09 12:16:38 +02:00
netrom net, netrom: convert nr_node.refcount from atomic_t to refcount_t 2017-07-04 22:35:17 +01:00
nfc net/nfc: Avoid stalls when nfc_alloc_send_skb() returned NULL. 2018-07-22 14:28:49 +02:00
nsh nsh: set mac len based on inner packet 2018-07-22 14:28:49 +02:00
openvswitch openvswitch: Don't swap table in nlattr_set() after OVS_ATTR_NESTED is found 2018-05-19 10:20:24 +02:00
packet packet: refine ring v3 block size test to hold one frame 2018-08-24 13:09:22 +02:00
phonet License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
psample MAINTAINERS: Update Yotam's E-mail 2017-11-01 12:19:03 +09:00
qrtr net: qrtr: Broadcast messages only from control port 2018-08-24 13:09:13 +02:00
rds RDS: IB: fix 'passing zero to ERR_PTR()' warning 2018-09-15 09:45:31 +02:00
rfkill rfkill: gpio: fix memory leak in probe error path 2018-05-16 10:10:26 +02:00
rose
…
rxrpc rxrpc: Fix user call ID check in rxrpc_service_prealloc_one 2018-08-06 16:20:48 +02:00
sched net: sched: action_ife: take reference to meta module 2018-09-15 09:45:26 +02:00
sctp sctp: hold transport before accessing its asoc in sctp_transport_get_next 2018-09-15 09:45:25 +02:00
smc net/smc: no shutdown in state SMC_LISTEN 2018-08-24 13:09:22 +02:00
strparser strparser: Remove early eaten to fix full tcp receive buffer stall 2018-07-22 14:28:47 +02:00
sunrpc sunrpc: Don't use stack buffer with scatterlist 2018-09-15 09:45:26 +02:00
switchdev net: switchdev: Remove bridge bypass support from switchdev 2017-08-07 14:48:48 -07:00
tipc tipc: fix a missing rhashtable_walk_exit() 2018-09-15 09:45:25 +02:00
tls tcp, ulp: add alias for all ulp modules 2018-09-15 09:45:29 +02:00
unix License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
vmw_vsock vsock: split dwork to avoid reinitializations 2018-08-22 07:46:08 +02:00
wimax License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
wireless nl80211: Add a missing break in parse_station_flags 2018-09-05 09:26:24 +02:00
x25 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfrm xfrm: free skb if nlsk pointer is NULL 2018-09-05 09:26:23 +02:00
Kconfig net: Remove CONFIG_NETFILTER_DEBUG and _ASSERT() macros. 2017-09-04 13:25:20 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compat.c net: support compat 64-bit time in {s,g}etsockopt 2018-05-19 10:20:24 +02:00
socket.c net: socket: fix potential spectre v1 gadget in socketcall 2018-08-06 16:20:48 +02:00
sysctl_net.c sysctl: Remove dead register_sysctl_root 2017-04-16 23:42:49 -05:00