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dd98d2895d
linux/net
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Arnd Bergmann dd98d2895d ethtool: improve compat ioctl handling 
The ethtool compat ioctl handling is hidden away in net/socket.c,
which introduces a couple of minor oddities:

- The implementation may end up diverging, as seen in the RXNFC
  extension in commit 84a1d9c482 ("net: ethtool: extend RXNFC
  API to support RSS spreading of filter matches") that does not work
  in compat mode.

- Most architectures do not need the compat handling at all
  because u64 and compat_u64 have the same alignment.

- On x86, the conversion is done for both x32 and i386 user space,
  but it's actually wrong to do it for x32 and cannot work there.

- On 32-bit Arm, it never worked for compat oabi user space, since
  that needs to do the same conversion but does not.

- It would be nice to get rid of both compat_alloc_user_space()
  and copy_in_user() throughout the kernel.

None of these actually seems to be a serious problem that real
users are likely to encounter, but fixing all of them actually
leads to code that is both shorter and more readable.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-23 14:20:25 +01:00
..
6lowpan
9p 9p/trans_virtio: Fix spelling mistakes 2021-06-02 14:01:55 -07:00
802 net/802/garp: fix memleak in garp_request_join() 2021-07-01 11:21:57 -07:00
8021q memcg: enable accounting for VLAN group array 2021-07-20 06:00:38 -07:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
atm atm: Use list_for_each_entry() to simplify code in resources.c 2021-06-10 14:08:09 -07:00
ax25
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
bluetooth TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
bpf bpf: Support specifying ingress via xdp_md context in BPF_PROG_TEST_RUN 2021-07-07 19:51:13 -07:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-06-25 13:13:50 +02:00
bridge net: bridge: move the switchdev object replay helpers to "push" mode 2021-07-22 00:26:23 -07:00
caif net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
ceph Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
core net: selftests: add MTU test 2021-07-22 00:52:04 -07:00
dcb net: dcb: Return the correct errno code 2021-06-01 17:01:33 -07:00
dccp memcg: enable accounting for inet_bin_bucket cache 2021-07-20 06:00:38 -07:00
decnet decnet: Fix spelling mistakes 2021-06-02 14:01:55 -07:00
dns_resolver
dsa net: bridge: move the switchdev object replay helpers to "push" mode 2021-07-22 00:26:23 -07:00
ethernet of: net: pass the dst buffer to of_get_mac_address() 2021-04-13 14:35:02 -07:00
ethtool ethtool: improve compat ioctl handling 2021-07-23 14:20:25 +01:00
hsr net: hsr: don't check sequence number if tag removal is offloaded 2021-06-16 12:13:01 -07:00
ieee802154 ieee802154: fix error return code in ieee802154_llsec_getparams() 2021-06-03 10:59:49 +02:00
ife
ipv4 tcp: tweak len/truesize ratio for coalesce candidates 2021-07-21 09:05:57 -07:00
ipv6 ipv6: fix "'ioam6_if_id_max' defined but not used" warn 2021-07-22 02:23:47 -07:00
iucv s390: iucv: Avoid field over-reading memcpy() 2021-07-01 15:54:01 -07:00
kcm net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
key net: Remove unnecessary variables 2021-05-26 07:03:39 +02:00
l2tp l2tp: Fix spelling mistakes 2021-06-07 14:08:30 -07:00
l3mdev
lapb net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c 2021-06-08 16:31:25 -07:00
llc llc2: Remove redundant assignment to rc 2021-04-27 14:16:14 -07:00
mac80211 mac80211: Switch to a virtual time-based airtime scheduler 2021-06-23 18:12:00 +02:00
mac802154 net: mac802154: Fix general protection fault 2021-04-06 22:42:16 +02:00
mpls mpls: Remove redundant assignment to err 2021-04-27 14:17:00 -07:00
mptcp net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
ncsi net/ncsi: add dummy response handler for Intel boards 2021-07-08 14:16:39 -07:00
netfilter net: ipv6: introduce ip6_dst_mtu_maybe_forward 2021-07-21 08:22:02 -07:00
netlabel netlabel: Fix memory leak in netlbl_mgmt_add_common 2021-06-15 11:19:04 -07:00
netlink netlink: Deal with ESRCH error in nlmsg_notify() 2021-07-20 11:45:09 +02:00
netrom net: netrom: Fix fall-through warnings for Clang 2021-05-17 19:57:08 -05:00
nfc TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
nsh
openvswitch openvswitch: Introduce per-cpu upcall dispatch 2021-07-16 11:06:33 -07:00
packet Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
phonet
psample
qrtr net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
rds Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
rfkill Another set of updates, all over the map: 2021-04-20 16:44:04 -07:00
rose
rxrpc Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
sched net/sched: Remove unnecessary if statement 2021-07-16 10:46:35 -07:00
sctp net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
smc net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
strparser net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
sunrpc NFS client updates for Linux 5.14 2021-07-09 09:43:57 -07:00
switchdev net: switchdev: fix FDB entries towards foreign ports not getting propagated to us 2021-07-22 00:45:40 -07:00
tipc tipc: keep the skb in rcv queue until the whole data is read 2021-07-16 17:28:09 -07:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-07-15 22:40:10 -07:00
vmw_vsock Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
wireless cfg80211: Support hidden AP discovery over 6GHz band 2021-06-23 13:05:09 +02:00
x25 net: x25: Use list_for_each_entry() to simplify code in x25_route.c 2021-06-10 14:08:09 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
xfrm Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
compat.c net: Return the correct errno code 2021-06-03 15:13:56 -07:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
Kconfig bpf, kconfig: Add consolidated menu entry for bpf with core options 2021-05-11 13:56:16 -07:00
Makefile
socket.c ethtool: improve compat ioctl handling 2021-07-23 14:20:25 +01:00
sysctl_net.c net: Ensure net namespace isolation of sysctls 2021-04-12 13:27:11 -07:00