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Johannes Berg d58ff35122 networking: make skb_push & __skb_push return void pointers 
It seems like a historic accident that these return unsigned char *,
and in many places that means casts are required, more often than not.

Make these functions return void * and remove all the casts across
the tree, adding a (u8 *) cast only where the unsigned char pointer
was used directly, all done with the following spatch:

    @@
    expression SKB, LEN;
    typedef u8;
    identifier fn = { skb_push, __skb_push, skb_push_rcsum };
    @@
    - *(fn(SKB, LEN))
    + *(u8 *)fn(SKB, LEN)

    @@
    expression E, SKB, LEN;
    identifier fn = { skb_push, __skb_push, skb_push_rcsum };
    type T;
    @@
    - E = ((T *)(fn(SKB, LEN)))
    + E = fn(SKB, LEN)

    @@
    expression SKB, LEN;
    identifier fn = { skb_push, __skb_push, skb_push_rcsum };
    @@
    - fn(SKB, LEN)[0]
    + *(u8 *)fn(SKB, LEN)

Note that the last part there converts from push(...)[0] to the
more idiomatic *(u8 *)push(...).

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: make skb_put & friends return void pointers 2017-06-16 11:48:39 -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: make skb_push & __skb_push return void pointers 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 xen-netback: fix race condition on XenBus disconnect 2017-03-12 23:44:43 -07:00
Kconfig VSOCK: Add vsockmon device 2017-04-24 12:35:56 -04:00
LICENSE.SRC
…
Makefile VSOCK: Add vsockmon device 2017-04-24 12:35:56 -04:00
Space.c
…
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
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
…
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 net: net_netdev: use new api ethtool_{get|set}_link_ksettings 2017-03-13 15:25:53 -07:00
rionet.c
…
sb1000.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