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bb8e4ce500
linux/net/core
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Breno Leitao 77461c1081 net: dqs: Do not use extern for unused dql_group 
When CONFIG_DQL is not enabled, dql_group should be treated as a dead
declaration. However, its current extern declaration assumes the linker
will ignore it, which is generally true across most compiler and
architecture combinations.

But in certain cases, the linker still attempts to resolve the extern
struct, even when the associated code is dead, resulting in a linking
error. For instance the following error in loongarch64:

>> loongarch64-linux-ld: net-sysfs.c:(.text+0x589c): undefined reference to `dql_group'

Modify the declaration of the dead object to be an empty declaration
instead of an extern. This change will prevent the linker from
attempting to resolve an undefined reference.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202409012047.eCaOdfQJ-lkp@intel.com/
Fixes: 74293ea1c4 ("net: sysfs: Do not create sysfs for non BQL device")
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org> # build-tested
Link: https://patch.msgid.link/20240902101734.3260455-1-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-03 12:01:38 -07:00
..
bpf_sk_storage.c netlink: introduce type-checking attribute iteration 2024-03-29 15:06:02 -07:00
datagram.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-07-11 12:58:13 -07:00
dev_addr_lists_test.c net: dev_addr_lists: move locking out of init/exit in kunit 2024-04-15 10:26:35 +01:00
dev_addr_lists.c
dev_ioctl.c net: Change the API of PHY default timestamp to MAC 2024-07-15 08:02:26 -07:00
dev.c net: Make USO depend on CSUM offload 2024-08-09 21:58:08 -07:00
dev.h net: softnet_data: Make xmit per task. 2024-06-24 16:41:23 -07:00
drop_monitor.c net: add rx_sk to trace_kfree_skb 2024-06-19 12:44:22 +01:00
dst_cache.c net: dst_cache: add two DEBUG_NET warnings 2024-06-03 18:50:09 -07:00
dst.c net: dst: Make dst_destroy() static and return void. 2024-02-06 11:45:53 +01:00
failover.c net: failover: use IFF_NO_ADDRCONF flag to prevent ipv6 addrconf 2022-12-12 15:18:25 -08:00
fib_notifier.c
fib_rules.c fib: rules: no longer hold RTNL in fib_nl_dumprule() 2024-04-12 19:09:31 -07:00
filter.c bpf: Fix a segment issue when downgrading gso_size 2024-07-25 11:50:14 +02:00
flow_dissector.c net: flow_dissector: use DEBUG_NET_WARN_ON_ONCE 2024-07-18 10:52:17 +02:00
flow_offload.c tc: flower: Enable offload support IPSEC SPI field. 2023-08-02 10:09:32 +01:00
gen_estimator.c net: use unrcu_pointer() helper 2024-06-06 11:52:52 +02:00
gen_stats.c net: Remove the obsolte u64_stats_fetch_*_irq() users (net). 2022-10-28 20:13:54 -07:00
gro_cells.c net: move netdev_max_backlog to net_hotdata 2024-03-07 21:12:42 -08:00
gro.c net: gro: move L3 flush checks to tcp_gro_receive and udp_gro_receive_segment 2024-05-13 14:44:06 -07:00
gso.c net: introduce struct net_hotdata 2024-03-07 21:12:41 -08:00
hotdata.c net: move sysctl_mem_pcpu_rsv to net_hotdata 2024-04-30 18:46:52 -07:00
hwbm.c
ieee8021q_helpers.c net: add IEEE 802.1q specific helpers 2024-05-08 10:35:09 +01:00
link_watch.c net: linkwatch: use system_unbound_wq 2024-08-06 12:12:53 -07:00
lwt_bpf.c net: Reference bpf_redirect_info via task_struct on PREEMPT_RT. 2024-06-24 16:41:24 -07:00
lwtunnel.c
Makefile net: add IEEE 802.1q specific helpers 2024-05-08 10:35:09 +01:00
neighbour.c sysctl: treewide: constify the ctl_table argument of proc_handlers 2024-07-24 20:59:29 +02:00
net_namespace.c netns: Make get_net_ns() handle zero refcount net 2024-06-18 10:59:52 +02:00
net_test.c pfcp: always set pfcp metadata 2024-04-01 10:49:28 +01:00
net-procfs.c net: make softnet_data.dropped an atomic_t 2024-04-01 11:28:32 +01:00
net-sysfs.c net: dqs: Do not use extern for unused dql_group 2024-09-03 12:01:38 -07:00
net-sysfs.h
net-traces.c udp6: add a missing call into udp_fail_queue_rcv_skb tracepoint 2023-07-07 09:16:52 +01:00
netclassid_cgroup.c cgroup, netclassid: on modifying netclassid in cgroup, only consider the main process. 2023-10-16 16:36:53 -07:00
netdev-genl-gen.c netdev: support dumping a single netdev in qstats 2024-04-23 10:09:49 -07:00
netdev-genl-gen.h netdev: add per-queue statistics 2024-03-07 21:13:25 -08:00
netdev-genl.c netdev-genl: fix error codes when outputting XDP features 2024-06-14 18:04:29 -07:00
netevent.c
netpoll.c netpoll: do not export netpoll_poll_[disable|enable]() 2024-08-21 17:31:28 -07:00
netprio_cgroup.c
of_net.c net: Explicitly include correct DT includes 2023-07-27 20:33:16 -07:00
page_pool_priv.h net: page_pool: report when page pool was destroyed 2023-11-28 15:48:39 +01:00
page_pool_user.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-03-07 10:29:36 -08:00
page_pool.c page_pool: use __cacheline_group_{begin, end}_aligned() 2024-07-10 10:28:23 -07:00
pktgen.c pktgen: use cpus_read_lock() in pg_net_init() 2024-08-22 17:14:03 -07:00
ptp_classifier.c
request_sock.c tcp: make sure init the accept_queue's spinlocks once 2024-01-19 21:13:25 -08:00
rtnetlink.c rtnetlink: Don't ignore IFLA_TARGET_NETNSID when ifname is specified in rtnl_dellink(). 2024-07-29 11:36:48 +01:00
scm.c af_unix: Add dead flag to struct scm_fp_list. 2024-05-10 18:52:45 -07:00
secure_seq.c
selftests.c net: fill in MODULE_DESCRIPTION()s under net/core 2023-10-28 11:29:27 +01:00
skbuff.c page_pool: convert to use netmem 2024-07-02 18:59:33 -07:00
skmsg.c skmsg: Skip zero length skb in sk_msg_recvmsg 2024-07-09 10:24:50 +02:00
sock_destructor.h
sock_diag.c net: use unrcu_pointer() helper 2024-06-06 11:52:52 +02:00
sock_map.c sock_map: avoid race between sock_map_close and sk_psock_put 2024-05-28 12:05:19 +02:00
sock_reuseport.c soreuseport: Fix socket selection for SO_INCOMING_CPU. 2022-10-25 11:35:16 +02:00
sock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-06-20 13:49:59 -07:00
stream.c net: Return error from sk_stream_wait_connect() if sk_wait_event() fails 2023-12-15 10:48:51 +00:00
sysctl_net_core.c sysctl: treewide: constify the ctl_table argument of proc_handlers 2024-07-24 20:59:29 +02:00
timestamping.c net: Change the API of PHY default timestamp to MAC 2024-07-15 08:02:26 -07:00
tso.c net: tso: inline tso_count_descs() 2022-12-12 15:04:39 -08:00
utils.c net: core: inet[46]_pton strlen len types 2022-11-01 21:14:39 -07:00
xdp.c xdp: fix invalid wait context of page_pool_destroy() 2024-07-14 20:40:21 -07:00