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alistair23-linux/net/core
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Brian Haley c91f6df2db sockopt: Change getsockopt() of SO_BINDTODEVICE to return an interface name 
Instead of having the getsockopt() of SO_BINDTODEVICE return an index, which
will then require another call like if_indextoname() to get the actual interface
name, have it return the name directly.

This also matches the existing man page description on socket(7) which mentions
the argument being an interface name.

If the value has not been set, zero is returned and optlen will be set to zero
to indicate there is no interface name present.

Added a seqlock to protect this code path, and dev_ifname(), from someone
changing the device name via dev_change_name().

v2: Added seqlock protection while copying device name.

v3: Fixed word wrap in patch.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2012-11-26 17:22:14 -05:00
..
Makefile sock_diag: Move the sock_ code to net/core/ 2011-12-06 13:58:02 -05:00
datagram.c net: skb_free_datagram_locked() doesnt drop all packets 2012-06-27 15:40:57 -07:00
dev.c sockopt: Change getsockopt() of SO_BINDTODEVICE to return an interface name 2012-11-26 17:22:14 -05:00
dev_addr_lists.c net: correct check in dev_addr_del() 2012-11-15 17:57:53 -05:00
drop_monitor.c drop_monitor: dont sleep in atomic context 2012-06-04 11:42:01 -04:00
dst.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
ethtool.c net: Allow userns root control of the core of the network stack. 2012-11-18 20:32:45 -05:00
fib_rules.c net: Enable a userns root rtnl calls that are safe for unprivilged users 2012-11-18 20:33:36 -05:00
filter.c sk-filter: Add ability to get socket filter program (v2) 2012-11-01 11:17:15 -04:00
flow.c net: core: use this_cpu_ptr per-cpu helper 2012-11-19 18:59:44 -05:00
flow_dissector.c ipv6: add ipv6_addr_hash() helper 2012-07-18 11:28:46 -07:00
gen_estimator.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
gen_stats.c gen_stats: Stop using NLA_PUT*(). 2012-04-02 04:33:44 -04:00
iovec.c net: get rid of some pointless casts to sockaddr 2012-03-11 19:11:22 -07:00
link_watch.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
neighbour.c net: Enable a userns root rtnl calls that are safe for unprivilged users 2012-11-18 20:33:36 -05:00
net-sysfs.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-11-25 12:49:17 -05:00
net-sysfs.h xps: Add CONFIG_XPS 2010-11-28 18:24:14 -08:00
net-traces.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
net_namespace.c userns: make each net (net_ns) belong to a user_ns 2012-11-18 20:30:55 -05:00
netevent.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
netpoll.c netpoll: call ->ndo_select_queue() in tx path 2012-09-19 17:19:09 -04:00
netprio_cgroup.c cgroup: net_prio: Mark local used function static 2012-10-26 03:40:50 -04:00
pktgen.c pktgen: clean up ktime_t helpers 2012-11-03 14:50:15 -04:00
request_sock.c tcp: TCP Fast Open Server - support TFO listeners 2012-08-31 20:02:19 -04:00
rtnetlink.c net: Enable a userns root rtnl calls that are safe for unprivilged users 2012-11-18 20:33:36 -05:00
scm.c net: Allow userns root to force the scm creds 2012-11-18 20:32:45 -05:00
secure_seq.c netfilter: ipv6: add IPv6 NAT support 2012-08-30 03:00:17 +02:00
skbuff.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-11-10 18:32:51 -05:00
sock.c sockopt: Change getsockopt() of SO_BINDTODEVICE to return an interface name 2012-11-26 17:22:14 -05:00
sock_diag.c netlink: hide struct module parameter in netlink_kernel_create 2012-09-08 18:46:30 -04:00
stream.c net: Fix the condition passed to sk_wait_event() 2010-10-03 20:41:32 -07:00
sysctl_net_core.c net: Don't export sysctls to unprivileged users 2012-11-18 20:30:55 -05:00
timestamping.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
user_dma.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
utils.c net: add doc for in4_pton() 2012-10-12 13:56:52 -04:00