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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-21 07:57:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-21 07:57:45 -0700 |
| commit | 7d3628b230ecbdc29566c18bc7800ff8ed66a71f (patch) | |
| tree | eac1bff40bdb655fdfdeaf1e22ce12a81296f1fb /drivers/net/ifb.c | |
| parent | 2c7871982cf27caaddbaeb7e2121ce1374b520ff (diff) | |
| parent | 94833dfb8c98ed4ca1944dd2c1339d88a2d1c758 (diff) | |
| download | op-kernel-dev-7d3628b230ecbdc29566c18bc7800ff8ed66a71f.zip op-kernel-dev-7d3628b230ecbdc29566c18bc7800ff8ed66a71f.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (46 commits)
[NET] ifb: set separate lockdep classes for queue locks
[IPV6] KCONFIG: Fix description about IPV6_TUNNEL.
[TCP]: Fix shrinking windows with window scaling
netpoll: zap_completion_queue: adjust skb->users counter
bridge: use time_before() in br_fdb_cleanup()
[TG3]: Fix build warning on sparc32.
MAINTAINERS: bluez-devel is subscribers-only
audit: netlink socket can be auto-bound to pid other than current->pid (v2)
[NET]: Fix permissions of /proc/net
[SCTP]: Fix a race between module load and protosw access
[NETFILTER]: ipt_recent: sanity check hit count
[NETFILTER]: nf_conntrack_h323: logical-bitwise & confusion in process_setup()
[RT2X00] drivers/net/wireless/rt2x00/rt2x00dev.c: remove dead code, fix warning
[IPV4]: esp_output() misannotations
[8021Q]: vlan_dev misannotations
xfrm: ->eth_proto is __be16
[IPV4]: ipv4_is_lbcast() misannotations
[SUNRPC]: net/* NULL noise
[SCTP]: fix misannotated __sctp_rcv_asconf_lookup()
[PKT_SCHED]: annotate cls_u32
...
Diffstat (limited to 'drivers/net/ifb.c')
| -rw-r--r-- | drivers/net/ifb.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 15949d3..af233b5 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -35,6 +35,7 @@ #include <linux/moduleparam.h> #include <net/pkt_sched.h> #include <net/net_namespace.h> +#include <linux/lockdep.h> #define TX_TIMEOUT (2*HZ) @@ -227,6 +228,16 @@ static struct rtnl_link_ops ifb_link_ops __read_mostly = { module_param(numifbs, int, 0); MODULE_PARM_DESC(numifbs, "Number of ifb devices"); +/* + * dev_ifb->queue_lock is usually taken after dev->ingress_lock, + * reversely to e.g. qdisc_lock_tree(). It should be safe until + * ifb doesn't take dev->queue_lock with dev_ifb->ingress_lock. + * But lockdep should know that ifb has different locks from dev. + */ +static struct lock_class_key ifb_queue_lock_key; +static struct lock_class_key ifb_ingress_lock_key; + + static int __init ifb_init_one(int index) { struct net_device *dev_ifb; @@ -246,6 +257,10 @@ static int __init ifb_init_one(int index) err = register_netdevice(dev_ifb); if (err < 0) goto err; + + lockdep_set_class(&dev_ifb->queue_lock, &ifb_queue_lock_key); + lockdep_set_class(&dev_ifb->ingress_lock, &ifb_ingress_lock_key); + return 0; err: |
