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Florian Klink ee791835b3 ipv4: use IS_ENABLED instead of ifdef 
commit c09c8a27b9 upstream.

Checking for ifdef CONFIG_x fails if CONFIG_x=m.

Use IS_ENABLED instead, which is true for both built-ins and modules.

Otherwise, a
> ip -4 route add 1.2.3.4/32 via inet6 fe80::2 dev eth1
fails with the message "Error: IPv6 support not enabled in kernel." if
CONFIG_IPV6 is `m`.

In the spirit of b8127113d0.

Fixes: d15662682d ("ipv4: Allow ipv6 gateway with ipv4 routes")
Cc: Kim Phillips <kim.phillips@arm.com>
Signed-off-by: Florian Klink <flokli@flokli.de>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20201115224509.2020651-1-flokli@flokli.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2020-12-02 08:49:44 +01:00
..
6lowpan 6lowpan: no need to check return value of debugfs_create functions 2019-07-06 12:50:01 +02:00
9p net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid 2020-11-05 11:43:20 +01:00
802 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
8021q vlan: vlan_changelink() should propagate errors 2020-01-12 12:21:50 +01:00
appletalk appletalk: Fix atalk_proc_init() return path 2020-08-11 15:33:40 +02:00
atm atm: fix a memory leak of vcc->user_back 2020-10-01 13:17:58 +02:00
ax25 AX.25: Prevent integer overflows in connect and sendmsg 2020-07-31 18:39:31 +02:00
batman-adv batman-adv: mcast: fix duplicate mcast packets from BLA backbone to mesh 2020-10-01 13:18:19 +02:00
bluetooth Bluetooth: Only mark socket zapped after unlocking 2020-10-29 09:58:06 +01:00
bpf bpf/flow_dissector: support flags in BPF_PROG_TEST_RUN 2019-07-25 18:00:41 -07:00
bpfilter net/bpfilter: remove superfluous testing message 2020-04-21 09:04:53 +02:00
bridge net: bridge: add missing counters to ndo_get_stats64 callback 2020-11-24 13:28:57 +01:00
caif net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
can can: af_can: prevent potential access of uninitialized member in canfd_rcv() 2020-11-24 13:29:05 +01:00
ceph libceph: clear con->out_msg on Policy::stateful_server faults 2020-11-05 11:43:34 +01:00
core bpf, sockmap: Avoid returning unneeded EAGAIN when redirecting to self 2020-11-24 13:29:19 +01:00
dcb net: DCB: Validate DCB_ATTR_DCB_BUFFER argument 2020-09-26 18:03:12 +02:00
dccp dccp: Fix possible memleak in dccp_init and dccp_fini 2020-06-17 16:40:32 +02:00
decnet net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2020-01-04 19:18:58 +01:00
dns_resolver KEYS: Don't write out to userspace while holding key semaphore 2020-04-23 10:36:45 +02:00
dsa dsa: Allow forwarding of redirected IGMP traffic 2020-09-23 12:40:33 +02:00
ethernet net: add annotations on hh->hh_len lockless accesses 2020-01-09 10:20:06 +01:00
hsr hsr: check protocol version in hsr_newlink() 2020-04-21 09:04:44 +02:00
ieee802154 nl802154: add missing attribute validation for dev_type 2020-03-18 07:17:44 +01:00
ife net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
ipv4 ipv4: use IS_ENABLED instead of ifdef 2020-12-02 08:49:44 +01:00
ipv6 ipv6: Fix error path to cancel the meseage 2020-11-24 13:28:56 +01:00
iucv net/af_iucv: fix null pointer dereference on shutdown 2020-11-18 19:20:32 +01:00
kcm kcm: disable preemption in kcm_parse_func_strparser() 2019-09-27 10:27:14 +02:00
key af_key: pfkey_dump needs parameter validation 2020-09-26 18:03:10 +02:00
l2tp l2tp: remove skb_dst_set() from l2tp_xmit_skb() 2020-07-22 09:32:47 +02:00
l3mdev ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF 2019-06-23 13:24:17 -07:00
lapb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-17 20:20:36 -07:00
llc net: silence data-races on sk_backlog.tail 2020-10-01 13:17:15 +02:00
mac80211 mac80211: free sta in sta_info_insert_finish() on errors 2020-11-24 13:29:23 +01:00
mac802154 mac802154: tx: fix use-after-free 2020-10-01 13:18:17 +02:00
mpls net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup 2019-12-18 16:08:42 +01:00
ncsi net/ncsi: Fix netlink registration 2020-11-24 13:29:00 +01:00
netfilter netfilter: ipset: Update byte and packet counters regardless of whether they match 2020-11-18 19:20:17 +01:00
netlabel netlabel: fix an uninitialized warning in netlbl_unlabel_staticlist() 2020-11-24 13:28:57 +01:00
netlink genetlink: remove genl_bind 2020-07-22 09:32:46 +02:00
netrom net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node 2020-04-29 16:33:08 +02:00
nfc nfc: Ensure presence of NFC_ATTR_FIRMWARE_NAME attribute in nfc_genl_fw_download() 2020-10-29 09:57:26 +01:00
nsh treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
openvswitch openvswitch: handle DNAT tuple collision 2020-10-14 10:33:02 +02:00
packet net/packet: fix overflow in tpacket_rcv 2020-09-09 19:12:29 +02:00
phonet net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
psample net: psample: fix skb_over_panic 2019-12-04 22:30:54 +01:00
qrtr net: qrtr: check skb_put_padto() return value 2020-09-26 18:03:15 +02:00
rds rds: Prevent kernel-infoleak in rds_notify_queue_get() 2020-08-05 09:59:44 +02:00
rfkill rfkill: Fix use-after-free in rfkill_resume() 2020-11-24 13:29:05 +01:00
rose net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
rxrpc rxrpc: Fix server keyring leak 2020-10-14 10:33:05 +02:00
sched net: sch_generic: fix the missing new qdisc assignment bug 2020-11-18 19:20:33 +01:00
sctp sctp: change to hold/put transport for proto_unreach_timer 2020-11-24 13:28:59 +01:00
smc net/smc: fix direct access to ib_gid_addr->ndev in smc_ib_determine_gid() 2020-11-24 13:28:58 +01:00
strparser Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
sunrpc SUNRPC: Mitigate cond_resched() in xprt_transmit() 2020-11-05 11:43:18 +01:00
switchdev treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
tipc tipc: fix memory leak in tipc_topsrv_start() 2020-11-18 19:20:33 +01:00
tls net/tls: fix corrupted data in recvmsg 2020-11-24 13:28:58 +01:00
unix skbuff: fix a data race in skb_queue_len() 2020-10-01 13:17:31 +02:00
vmw_vsock vsock: use ns_capable_noaudit() on socket create 2020-11-10 12:37:30 +01:00
wimax wimax: no need to check return value of debugfs_create functions 2019-08-10 15:25:47 -07:00
wireless cfg80211: regulatory: Fix inconsistent format argument 2020-11-18 19:20:23 +01:00
x25 net: x25: Increase refcnt of "struct x25_neigh" in x25_rx_call_request 2020-11-24 13:28:58 +01:00
xdp xdp: Fix xsk_generic_xmit errno 2020-06-24 17:50:44 +02:00
xfrm net: xfrm: fix a race condition during allocing spi 2020-11-18 19:20:17 +01:00
Kconfig net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build 2020-04-01 11:02:18 +02:00
Makefile net: split out functions related to registering inflight socket files 2019-02-28 08:24:23 -07:00
compat.c net/compat: Add missing sock updates for SCM_RIGHTS 2020-08-21 13:05:25 +02:00
socket.c net: Set fput_needed iff FDPUT_FPUT is set 2020-08-19 08:16:22 +02:00
sysctl_net.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00