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634fef6107
linux-next/net
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Johannes Berg 634fef6107 networking: add and use skb_put_u8() 
Joe and Bjørn suggested that it'd be nicer to not have the
cast in the fairly common case of doing
	*(u8 *)skb_put(skb, 1) = c;

Add skb_put_u8() for this case, and use it across the code,
using the following spatch:

    @@
    expression SKB, C, S;
    typedef u8;
    identifier fn = {skb_put};
    fresh identifier fn2 = fn ## "_u8";
    @@
    - *(u8 *)fn(SKB, S) = C;
    + fn2(SKB, C);

Note that due to the "S", the spatch isn't perfect, it should
have checked that S is 1, but there's also places that use a
sizeof expression like sizeof(var) or sizeof(u8) etc. Turns
out that nobody ever did something like
	*(u8 *)skb_put(skb, 2) = c;

which would be wrong anyway since the second byte wouldn't be
initialized.

Suggested-by: Joe Perches <joe@perches.com>
Suggested-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-16 11:48:40 -04:00
..
6lowpan 6lowpan: Don't set IFF_NO_QUEUE 2017-04-12 22:02:40 +02:00
9p xen: fixes for 4.12 rc2 2017-05-19 15:06:48 -07:00
802 networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
8021q networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
appletalk networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
atm networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
ax25 networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
batman-adv networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
bluetooth networking: add and use skb_put_u8() 2017-06-16 11:48:40 -04:00
bpf bpf: Align packet data properly in program testing framework. 2017-05-02 11:46:28 -04:00
bridge networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
caif Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-15 11:59:32 -04:00
can networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
ceph libceph: cleanup old messages according to reconnect seq 2017-05-24 18:10:51 +02:00
core networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
dcb dcb: enforce minimum length on IEEE_APPS attribute 2017-05-21 13:42:33 -04:00
dccp networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
decnet networking: add and use skb_put_u8() 2017-06-16 11:48:40 -04:00
dns_resolver Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-03-03 10:16:38 -08:00
dsa net: dsa: assign default CPU port to all ports 2017-06-15 17:23:35 -04:00
ethernet networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
hsr hsr: fix incorrect warning 2017-06-12 15:21:20 -04:00
ieee802154 networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
ife net: Introduce ife encapsulation module 2017-02-03 15:16:45 -05:00
ipv4 networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
ipv6 networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
ipx ipx: call ipxitf_put() in ioctl error path 2017-05-02 15:34:53 -04:00
irda networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
iucv networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
kcm net: socket: mark socket protocol handler structs as const 2017-05-16 11:54:07 -04:00
key networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
l2tp l2tp: cast l2tp traffic counter to unsigned 2017-06-10 16:14:27 -04:00
l3mdev
lapb Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
llc net: llc: add lock_sock in llc_ui_bind to avoid a race condition 2017-05-26 14:20:29 -04:00
mac80211 networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
mac802154 net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
mpls Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-06 22:20:08 -04:00
ncsi networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
netfilter networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
netlabel netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
netlink networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
netrom net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
nfc networking: add and use skb_put_u8() 2017-06-16 11:48:40 -04:00
openvswitch networking: convert many more places to skb_put_zero() 2017-06-16 11:48:35 -04:00
packet net/packet: remove unneeded declaraion of tpacket_snd(). 2017-06-10 16:15:25 -04:00
phonet net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
psample networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
qrtr networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-05-02 16:40:27 -07:00
rfkill net: rfkill: gpio: Switch to devm_acpi_dev_add_driver_gpios() 2017-06-13 11:07:51 +02:00
rose net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
rxrpc networking: convert many more places to skb_put_zero() 2017-06-16 11:48:35 -04:00
sched net: sched: act_tunnel_key: make UDP checksum configurable 2017-06-15 14:21:03 -04:00
sctp networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
smc net/smc: Add warning about remote memory exposure 2017-05-16 14:49:43 -04:00
strparser strparser: destroy workqueue on module exit 2017-03-03 20:43:26 -08:00
sunrpc SUNRPC: ensure correct error is reported by xs_tcp_setup_socket() 2017-05-31 12:26:44 -04:00
switchdev net: switchdev: Change notifier chain to be atomic 2017-06-08 14:16:24 -04:00
tipc net: tipc: Fix a sleep-in-atomic bug in tipc_msg_reverse 2017-06-10 18:20:38 -04:00
tls tls: Depend upon INET not plain NET. 2017-06-16 11:28:49 -04:00
unix af_unix: Add sockaddr length checks before accessing sa_family in bind and connect handlers 2017-06-09 10:10:24 -04:00
vmw_vsock networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
wimax
wireless networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
x25 networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
xfrm xfrm: fix state migration copy replay sequence numbers 2017-05-19 12:49:13 +02:00
compat.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-02-22 10:15:09 -08:00
Kconfig tls: kernel TLS support 2017-06-15 12:12:40 -04:00
Makefile tls: kernel TLS support 2017-06-15 12:12:40 -04:00
socket.c net: socket: fix a typo in sockfd_lookup(). 2017-05-22 12:14:04 -04:00
sysctl_net.c sysctl: Remove dead register_sysctl_root 2017-04-16 23:42:49 -05:00