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8e72d37eb3
linux/net/core
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Cong Wang 604dfd6efc pktgen: correctly handle failures when adding a device 
The return value of pktgen_add_device() is not checked, so
even if we fail to add some device, for example, non-exist one,
we still see "OK:...". This patch fixes it.

After this patch, I got:

	# echo "add_device non-exist" > /proc/net/pktgen/kpktgend_0
	-bash: echo: write error: No such device
	# cat /proc/net/pktgen/kpktgend_0
	Running:
	Stopped:
	Result: ERROR: can not add device non-exist
	# echo "add_device eth0" > /proc/net/pktgen/kpktgend_0
	# cat /proc/net/pktgen/kpktgend_0
	Running:
	Stopped: eth0
	Result: OK: add_device=eth0

(Candidate for -stable)

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-29 15:43:03 -05:00
..
datagram.c net: skb_free_datagram_locked() doesnt drop all packets 2012-06-27 15:40:57 -07:00
dev_addr_lists.c net: correct check in dev_addr_del() 2012-11-15 17:57:53 -05:00
dev.c net, wireless: overwrite default_ethtool_ops 2013-01-11 15:55:48 -08:00
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_dissector.c ipv6: add ipv6_addr_hash() helper 2012-07-18 11:28:46 -07:00
flow.c net: core: use this_cpu_ptr per-cpu helper 2012-11-19 18:59:44 -05:00
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
Makefile sock_diag: Move the sock_ code to net/core/ 2011-12-06 13:58:02 -05:00
neighbour.c net: fix some compiler warning in net/core/neighbour.c 2012-12-05 21:50:37 -05:00
net_namespace.c userns: Require CAP_SYS_ADMIN for most uses of setns. 2012-12-14 16:12:03 -08:00
net-sysfs.c CONFIG_HOTPLUG removal from networking core 2012-12-22 00:03:00 -08:00
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
netevent.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
netpoll.c net: remove obsolete simple_strto<foo> 2012-12-11 12:49:53 -05:00
netprio_cgroup.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-12-12 18:07:07 -08:00
pktgen.c pktgen: correctly handle failures when adding a device 2013-01-29 15:43:03 -05:00
request_sock.c tcp: fix a panic on UP machines in reqsk_fastopen_remove 2013-01-14 18:10:05 -05:00
rtnetlink.c rtnelink: remove unused parameter from rtnl_create_link(). 2012-11-30 12:24:40 -05:00
scm.c net: net_cls: fd passed in SCM_RIGHTS datagram not set correctly 2013-01-22 14:17:38 -05:00
secure_seq.c netfilter: ipv6: add IPv6 NAT support 2012-08-30 03:00:17 +02:00
skbuff.c net: splice: fix __splice_segment() 2013-01-20 23:19:36 -05:00
sock_diag.c netlink: hide struct module parameter in netlink_kernel_create 2012-09-08 18:46:30 -04:00
sock.c net: devnet_rename_seq should be a seqcount 2012-12-21 13:14:01 -08:00
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