AuxXxilium/linux_dsm_epyc7002
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634fef6107
linux_dsm_epyc7002/drivers/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
..
appletalk Annotate hardware config module parameters in drivers/net/appletalk/ 2017-04-20 12:02:32 +01:00
arcnet networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
bonding networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
caif networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
can networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
cris net/{mii, smsc}: Make mii_ethtool_get_link_ksettings and smc_netdev_get_ecmd return void 2017-06-05 11:00:42 -04:00
dsa net: dsa: mv88e6xxx: prefix Global Prio and Tag macros 2017-06-15 14:07:50 -04:00
ethernet networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
fddi format-security: move static strings to const 2017-05-08 17:15:14 -07:00
fjes networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
hamradio networking: add and use skb_put_u8() 2017-06-16 11:48:40 -04:00
hippi networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
hyperv networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
ieee802154 networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
ipvlan Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-15 11:59:32 -04:00
irda networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
phy Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-15 11:59:32 -04:00
plip
ppp networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
slip networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
team Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-15 11:59:32 -04:00
usb networking: add and use skb_put_u8() 2017-06-16 11:48:40 -04:00
vmxnet3 vmxnet3: ensure that adapter is in proper state during force_close 2017-05-12 12:23:52 -04:00
wan networking: make skb_pull & friends return void pointers 2017-06-16 11:48:39 -04:00
wimax networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
wireless networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
xen-netback
dummy.c net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
eql.c
geneve.c networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
gtp.c networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
ifb.c net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
Kconfig VSOCK: Add vsockmon device 2017-04-24 12:35:56 -04:00
LICENSE.SRC
loopback.c net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
macsec.c networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
macvlan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-15 11:59:32 -04:00
macvtap.c
Makefile VSOCK: Add vsockmon device 2017-04-24 12:35:56 -04:00
mdio.c
mii.c net/{mii, smsc}: Make mii_ethtool_get_link_ksettings and smc_netdev_get_ecmd return void 2017-06-05 11:00:42 -04:00
netconsole.c netconsole: Remove duplicate "netconsole: " logging prefix 2017-06-13 12:57:40 -04:00
nlmon.c net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
ntb_netdev.c
rionet.c
sb1000.c
Space.c
sungem_phy.c drivers/net/sungem: add const to mii_phy_ops structures 2017-06-08 15:32:47 -04:00
tap.c tap: support receiving skb from msg_control 2017-05-18 10:07:41 -04:00
tun.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-15 11:59:32 -04:00
veth.c net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
virtio_net.c networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
vrf.c networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
vsockmon.c net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
vxlan.c networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
xen-netfront.c xen-netfront: avoid crashing on resume after a failure in talk_to_netback() 2017-05-11 21:38:50 -04:00