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linux/net/ipv4
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xu xin c67180efc5 net/ipv4: return the real errno instead of -EINVAL 
For now, No matter what error pointer ip_neigh_for_gw() returns,
ip_finish_output2() always return -EINVAL, which may mislead the upper
users.

For exemple, an application uses sendto to send an UDP packet, but when the
neighbor table overflows, sendto() will get a value of -EINVAL, and it will
cause users to waste a lot of time checking parameters for errors.

Return the real errno instead of -EINVAL.

Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Reviewed-by: Yang Yang <yang.yang29@zte.com.cn>
Cc: Si Hao <si.hao@zte.com.cn>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://lore.kernel.org/r/20230807015408.248237-1-xu.xin16@zte.com.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-08 15:35:51 -07:00
..
bpfilter
net: Use umd_cleanup_helper()
2023-05-31 13:06:57 +02:00
netfilter
netfilter: defrag: Add glue hooks for enabling/disabling defrag
2023-07-28 16:52:08 -07:00
af_inet.c
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
ah4.c
net: ipv4: Remove completion function scaffolding
2023-02-13 18:35:15 +08:00
arp.c
neighbour: annotate lockless accesses to n->nud_state
2023-03-15 00:37:32 -07:00
bpf_tcp_ca.c
bpf: Drop useless btf_vmlinux in bpf_tcp_ca
2023-07-18 17:31:10 -07:00
cipso_ipv4.c
cipso_ipv4: use iph_set_totlen in skbuff_setattr
2023-02-01 20:54:27 -08:00
datagram.c
Networking fixes for 6.1-rc2, including fixes from netfilter
2022-10-20 17:24:59 -07:00
devinet.c
net: ipv4: Allow changing IPv4 address protocol
2023-03-23 08:32:52 +00:00
esp4_offload.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-06-22 18:40:38 -07:00
esp4.c
net: ipv4: Use kfree_sensitive instead of kfree
2023-07-19 11:03:03 +01:00
fib_frontend.c
ipv4: Fix incorrect table ID in IOCTL path
2023-03-16 17:26:31 -07:00
fib_lookup.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-02-17 11:44:20 -08:00
fib_notifier.c
net: ipv4: remove superfluous header files from fib_notifier.c
2021-09-28 17:32:56 -07:00
fib_rules.c
ipv4: remove unnecessary type castings
2022-04-30 15:12:58 +01:00
fib_semantics.c
neighbour: switch to standard rcu, instead of rcu_bh
2023-03-21 21:32:18 -07:00
fib_trie.c
ipv4: Fix error return code in fib_table_insert()
2022-11-22 20:18:20 -08:00
fou_bpf.c
bpf,fou: Add bpf_skb_{set,get}_fou_encap kfuncs
2023-04-12 16:40:39 -07:00
fou_core.c
bpf,fou: Add bpf_skb_{set,get}_fou_encap kfuncs
2023-04-12 16:40:39 -07:00
fou_nl.c
net: ynl: prefix uAPI header include with uapi/
2023-05-26 10:30:14 +01:00
fou_nl.h
net: ynl: prefix uAPI header include with uapi/
2023-05-26 10:30:14 +01:00
gre_demux.c
…
gre_offload.c
net: move gso declarations and functions to their own files
2023-06-10 00:11:41 -07:00
icmp.c
icmp: guard against too small mtu
2023-03-31 21:37:06 -07:00
igmp.c
ipv4: constify ip_mc_sf_allow() socket argument
2023-03-17 08:56:37 +00:00
inet_connection_sock.c
tcp: annotate data-races around icsk->icsk_syn_retries
2023-07-20 12:34:18 -07:00
inet_diag.c
net: annotate data-races around sk->sk_mark
2023-07-29 18:13:41 +01:00
inet_fragment.c
net: dropreason: add SKB_DROP_REASON_FRAG_REASM_TIMEOUT
2022-10-31 20:14:27 -07:00
inet_hashtables.c
net: remove duplicate INDIRECT_CALLABLE_DECLARE of udp[6]_ehashfn
2023-07-31 13:53:10 -07:00
inet_timewait_sock.c
Revert "tcp: avoid the lookup process failing to get sk in ehash table"
2023-07-19 20:57:40 -07:00
inetpeer.c
inetpeer: Fix data-races around sysctl.
2022-07-08 12:10:33 +01:00
ip_forward.c
ip: Fix data-races around sysctl_ip_fwd_update_priority.
2022-07-15 11:49:55 +01:00
ip_fragment.c
Revert "net: Remove low_thresh in ip defrag"
2023-05-16 20:46:30 -07:00
ip_gre.c
ipv4: ip_gre: fix return value check in erspan_xmit()
2023-07-19 12:27:09 +01:00
ip_input.c
net: add support for ipv4 big tcp
2023-02-01 20:54:27 -08:00
ip_options.c
ipv4: drop fragmentation code from ip_options_build()
2022-01-29 17:53:07 +00:00
ip_output.c
net/ipv4: return the real errno instead of -EINVAL
2023-08-08 15:35:51 -07:00
ip_sockglue.c
net: annotate data-races around sk->sk_priority
2023-07-29 18:13:41 +01:00
ip_tunnel_core.c
net: Add helper function to parse netlink msg of ip_tunnel_parm
2022-10-03 07:59:06 +01:00
ip_tunnel.c
bpf-next-for-netdev
2023-04-13 16:43:38 -07:00
ip_vti.c
ipv4: tunnels: use DEV_STATS_INC()
2022-11-16 12:48:44 +00:00
ipcomp.c
xfrm: ipcomp: add extack to ipcomp{4,6}_init_state
2022-09-29 07:18:00 +02:00
ipconfig.c
net: ipconfig: move ic_nameservers_fallback into #ifdef block
2023-05-22 11:17:55 +01:00
ipip.c
ipip,ip_tunnel,sit: Add FOU support for externally controlled ipip devices
2023-04-12 16:40:39 -07:00
ipmr_base.c
ipmr: adopt rcu_read_lock() in mr_dump()
2022-06-24 11:34:38 +01:00
ipmr.c
net: ioctl: Use kernel memory on protocol ioctl callbacks
2023-06-15 22:33:26 -07:00
Kconfig
tcp: configurable source port perturb table size
2022-11-16 13:02:04 +00:00
Makefile
bpf,fou: Add bpf_skb_{set,get}_fou_encap kfuncs
2023-04-12 16:40:39 -07:00
metrics.c
ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()
2023-01-23 21:37:25 -08:00
netfilter.c
netfilter: Use l3mdev flow key when re-routing mangled packets
2022-05-16 13:03:29 +02:00
netlink.c
…
nexthop.c
nexthop: Do not return invalid nexthop object during multipath selection
2023-07-20 20:23:20 -07:00
ping.c
ping: Stop using RTO_ONLINK.
2023-05-24 08:22:06 +01:00
proc.c
icmp: Add counters for rate limits
2023-01-26 10:52:18 +01:00
protocol.c
…
raw_diag.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-04-06 12:01:20 -07:00
raw.c
net: annotate data-races around sk->sk_priority
2023-07-29 18:13:41 +01:00
route.c
net: annotate data-races around sk->sk_mark
2023-07-29 18:13:41 +01:00
syncookies.c
tcp: Set route scope properly in cookie_v4_check().
2023-06-06 21:13:03 -07:00
sysctl_net_ipv4.c
tcp: enforce receive buffer memory limits by allowing the tcp window to shrink
2023-06-17 09:53:53 +01:00
tcp_bbr.c
bpf: Add __bpf_kfunc tag to all kfuncs
2023-02-02 00:25:14 +01:00
tcp_bic.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_bpf.c
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
tcp_cdg.c
Random number generator fixes for Linux 6.1-rc1.
2022-10-16 15:27:07 -07:00
tcp_cong.c
net: Update an existing TCP congestion control algorithm.
2023-03-22 22:53:00 -07:00
tcp_cubic.c
bpf: Add __bpf_kfunc tag to all kfuncs
2023-02-02 00:25:14 +01:00
tcp_dctcp.c
bpf: Add __bpf_kfunc tag to all kfuncs
2023-02-02 00:25:14 +01:00
tcp_dctcp.h
…
tcp_diag.c
tcp: Access &tcp_hashinfo via net.
2022-09-20 10:21:49 -07:00
tcp_fastopen.c
tcp: annotate data-races around fastopenq.max_qlen
2023-07-20 12:34:18 -07:00
tcp_highspeed.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_htcp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_hybla.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_illinois.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_input.c
tcp: set TCP_DEFER_ACCEPT locklessly
2023-08-06 08:24:56 +01:00
tcp_ipv4.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-08-03 14:34:37 -07:00
tcp_lp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_metrics.c
tcp_metrics: hash table allocation cleanup
2023-08-04 15:33:39 -07:00
tcp_minisocks.c
tcp: set TCP_DEFER_ACCEPT locklessly
2023-08-06 08:24:56 +01:00
tcp_nv.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_offload.c
net: move gso declarations and functions to their own files
2023-06-10 00:11:41 -07:00
tcp_output.c
tcp: Disable header prediction for MD5 flow.
2023-08-04 18:28:36 -07:00
tcp_plb.c
prandom: remove prandom_u32_max()
2022-12-20 03:13:45 +01:00
tcp_rate.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-04-28 13:02:01 -07:00
tcp_recovery.c
tcp: preserve const qualifier in tcp_sk()
2023-03-18 12:23:34 +00:00
tcp_scalable.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_timer.c
tcp: set TCP_LINGER2 locklessly
2023-08-06 08:24:55 +01:00
tcp_ulp.c
net/ulp: use consistent error code when blocking ULP
2023-01-19 09:26:16 -08:00
tcp_vegas.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_vegas.h
…
tcp_veno.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_westwood.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_yeah.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp.c
tcp: set TCP_DEFER_ACCEPT locklessly
2023-08-06 08:24:56 +01:00
tunnel4.c
…
udp_bpf.c
bpf, sockmap: Fix an infinite loop error when len is 0 in tcp_bpf_recvmsg_parser()
2023-03-03 17:25:15 +01:00
udp_diag.c
udp: Access &udp_table via net.
2022-11-16 09:43:35 +00:00
udp_impl.h
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
udp_offload.c
net: gro: fix misuse of CB in udp socket lookup
2023-07-29 17:10:27 +01:00
udp_tunnel_core.c
net/tunnel: wait until all sk_user_data reader finish before releasing the sock
2022-12-12 09:51:52 +00:00
udp_tunnel_nic.c
udp_tunnel: Add checks for nla_nest_start() in __udp_tunnel_nic_dump_write()
2022-11-29 08:44:24 -08:00
udp_tunnel_stub.c
…
udp.c
pull-request: bpf-next 2023-08-03
2023-08-03 15:34:36 -07:00
udplite.c
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
xfrm4_input.c
xfrm: fix inbound ipv4/udp/esp packets to UDPv6 dualstack sockets
2023-06-09 08:16:34 +02:00
xfrm4_output.c
…
xfrm4_policy.c
net: dst: fix missing initialization of rt_uncached
2023-04-21 20:26:56 -07:00
xfrm4_protocol.c
net: xfrm: unexport __init-annotated xfrm4_protocol_init()
2022-06-08 10:10:13 -07:00
xfrm4_state.c
…
xfrm4_tunnel.c
xfrm: tunnel: add extack to ipip_init_state, xfrm6_tunnel_init_state
2022-09-29 07:18:00 +02:00