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Patrick McHardy de6d5cdf88 net_sched: make cls_ops->change and cls_ops->delete optional 
Some schedulers don't support creating, changing or deleting classes.
Make the respective callbacks optionally and consistently return
-EOPNOTSUPP for unsupported operations, instead of currently either
-EOPNOTSUPP, -ENOSYS or no error.

In case of sch_prio and sch_multiq, the removed operations additionally
checked for an invalid class. This is not necessary since the class
argument can only orginate from ->get() or in case of ->change is 0
for creation of new classes, in which case ->change() incorrectly
returned -ENOENT.

As a side-effect, this patch fixes a possible (root-only) NULL pointer
function call in sch_ingress, which didn't implement a so far mandatory
->delete() operation.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2009-09-06 02:07:02 -07:00
..
9p 9p: Possible regression in p9_client_stat 2009-07-14 15:54:41 -05:00
802 net: remove COMPAT_NET_DEV_OPS 2009-05-25 01:53:53 -07:00
8021q vlan: adds drops accounting 2009-09-03 20:02:17 -07:00
appletalk Use correct NET_RX_* returns for atalk_rcv() 2009-08-12 20:44:50 -07:00
atm atm/br2684: netif_stop_queue() when atm device busy and netif_wake_queue() when we can send packets again. 2009-09-02 23:46:10 -07:00
ax25 net: Move rx skb_orphan call to where needed 2009-06-23 16:36:25 -07:00
bluetooth netdev: convert pseudo-devices to netdev_tx_t 2009-09-01 01:13:07 -07:00
bridge netdev: convert pseudo-devices to netdev_tx_t 2009-09-01 01:13:07 -07:00
can can: use correct NET_RX_ return values 2009-08-30 22:13:18 -07:00
core net: Remove debugging code 2009-09-03 05:17:20 -07:00
dcb dcbnl: Add implementations of dcbnl setapp/getapp commands 2009-09-01 01:24:36 -07:00
dccp inet: inet_connection_sock_af_ops const 2009-09-02 01:03:49 -07:00
decnet net: make neigh_ops constant 2009-09-01 17:40:57 -07:00
dsa netdev: convert pseudo-devices to netdev_tx_t 2009-09-01 01:13:07 -07:00
econet Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-08-12 17:44:53 -07:00
ethernet net: remove COMPAT_NET_DEV_OPS 2009-05-25 01:53:53 -07:00
ieee802154 Drop ARPHRD_IEEE802154_PHY 2009-08-19 23:08:24 +04:00
ipv4 tcp: replace hard coded GFP_KERNEL with sk_allocation 2009-09-02 23:45:45 -07:00
ipv6 ipv6: Fix tcp_v6_send_response(): it didn't set skb transport header 2009-09-03 20:44:38 -07:00
ipx headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
irda net: file_operations should be const 2009-09-02 01:03:53 -07:00
iucv net: adding memory barrier to the poll and receive callbacks 2009-07-09 17:06:57 -07:00
key net: file_operations should be const 2009-09-02 01:03:53 -07:00
lapb net: remove NET_RX_BAD and NET_RX_CN* defines 2009-07-05 19:15:35 -07:00
llc Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-09-02 00:32:56 -07:00
mac80211 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 2009-09-02 14:18:09 -07:00
netfilter Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-09-02 00:32:56 -07:00
netlabel Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-07-30 19:22:43 -07:00
netlink netlink: silence compiler warning 2009-09-04 20:36:52 -07:00
netrom Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-09-02 00:32:56 -07:00
packet af_packet: style cleanups 2009-07-23 18:01:10 -07:00
phonet netdev: convert pseudo drivers to netdev_tx_t 2009-09-01 01:13:40 -07:00
rds RDS: Add a debug message suggesting to load transport modules 2009-08-23 19:13:14 -07:00
rfkill rfkill: add the GPS radio type 2009-08-04 16:44:23 -04:00
rose convert hamradio drivers to netdev_txreturnt_t 2009-09-01 01:13:12 -07:00
rxrpc net: mark read-only arrays as const 2009-08-05 10:42:58 -07:00
sched net_sched: make cls_ops->change and cls_ops->delete optional 2009-09-06 02:07:02 -07:00
sctp sctp: Catch bogus stream sequence numbers 2009-09-04 18:21:03 -04:00
sunrpc headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
tipc tipc: fix test of bearer_priority range in tipc_register_media() 2009-08-29 00:19:42 -07:00
unix net: adding memory barrier to the poll and receive callbacks 2009-07-09 17:06:57 -07:00
wanrouter headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
wimax wimax: fix warning caused by not checking retval of rfkill_set_hw_state() 2009-06-11 11:12:48 -07:00
wireless cfg80211: fix looping soft lockup in find_ie() 2009-09-02 15:29:04 -04:00
x25 headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
xfrm net: file_operations should be const 2009-09-02 01:03:53 -07:00
Kconfig net/compat/wext: send different messages to compat tasks 2009-07-15 08:53:39 -07:00
Makefile net: remove redundant sched/ in net/Makefile 2009-07-12 20:11:14 -07:00
TUNABLE
…
compat.c net/compat/wext: send different messages to compat tasks 2009-07-15 08:53:39 -07:00
nonet.c
…
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-04-06 18:05:43 -07:00
sysctl_net.c net: sysctl_net - use net_eq to compare nets 2009-03-16 16:23:30 +01:00