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Jeff Garzik bfaae0f04c [NET]: fix carrier-on bug? 
While looking at a net driver with the following construct,

	if (!netif_carrier_ok(dev))
		netif_carrier_on(dev);

it stuck me that the netif_carrier_ok() check was redundant, since
netif_carrier_on() checks bit __LINK_STATE_NOCARRIER anyway.  This is
the same reason why netif_queue_stopped() need not be called prior to
netif_wake_queue().

This is true, but there is however an unwanted side effect from assuming
that netif_carrier_on() can be called multiple times:  it touches the
watchdog, regardless of pre-existing carrier state.

The fix:  move watchdog-up inside the bit-cleared code path.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-17 23:26:43 -07:00
..
9p 9p: remove sysctl 2007-10-17 14:35:15 -05:00
802 [NET]: Move hardware header operations out of netdevice. 2007-10-10 16:52:52 -07:00
8021q [8021Q]: transfer dev_id from real device 2007-10-10 16:54:56 -07:00
appletalk [NET]: sparse warning fixes 2007-10-10 16:54:48 -07:00
atm [BR2684]: get rid of broken header code. 2007-10-17 19:39:22 -07:00
ax25 [NET]: Move hardware header operations out of netdevice. 2007-10-10 16:52:52 -07:00
bluetooth [BLUETOOTH]: Make hidp_setup_input() return int 2007-10-10 16:52:39 -07:00
bridge [BRIDGE]: Remove SKB share checks in br_nf_pre_routing(). 2007-10-15 12:26:35 -07:00
core [IPSEC]: Rename mode to outer_mode and add inner_mode 2007-10-17 21:35:51 -07:00
dccp [DCCP]: fix link error with !CONFIG_SYSCTL 2007-10-17 19:33:06 -07:00
decnet [NETFILTER]: Replace sk_buff ** with sk_buff * 2007-10-15 12:26:29 -07:00
econet [NET]: Wrap netdevice hardware header creation. 2007-10-10 16:52:50 -07:00
ethernet [NET]: Move hardware header operations out of netdevice. 2007-10-10 16:52:52 -07:00
ieee80211 [PATCH] ieee80211: fix TKIP QoS bug 2007-10-16 20:58:12 -04:00
ipv4 [NET]: Fix uninitialised variable in ip_frag_reasm() 2007-10-17 21:37:22 -07:00
ipv6 [IPSEC]: Rename mode to outer_mode and add inner_mode 2007-10-17 21:35:51 -07:00
ipx
irda [IRDA]: IrCOMM discovery indication simplification 2007-10-17 19:34:11 -07:00
iucv [AF_IUCV]: postpone receival of iucv-packets 2007-10-10 16:54:51 -07:00
key [IPSEC]: Lock state when copying non-atomic fields to user-space 2007-10-10 16:55:02 -07:00
lapb
llc
mac80211 [MAC80211]: only honor IW_SCAN_THIS_ESSID in STA, IBSS, and AP modes 2007-10-17 21:16:16 -07:00
netfilter [NETFILTER]: Replace sk_buff ** with sk_buff * 2007-10-15 12:26:29 -07:00
netlabel
netlink [NETLINK]: Don't leak 'listeners' in netlink_kernel_create() 2007-10-15 12:26:32 -07:00
netrom [NET]: Move hardware header operations out of netdevice. 2007-10-10 16:52:52 -07:00
packet [NET]: Move hardware header operations out of netdevice. 2007-10-10 16:52:52 -07:00
rfkill [RFKILL]: Add support for hardware-only rfkill buttons 2007-10-10 16:54:11 -07:00
rose [NET]: Move hardware header operations out of netdevice. 2007-10-10 16:52:52 -07:00
rxrpc KEYS: Make request_key() and co fundamentally asynchronous 2007-10-17 08:42:57 -07:00
sched [NET]: fix carrier-on bug? 2007-10-17 23:26:43 -07:00
sctp Remove "unsafe" from module struct 2007-10-17 08:42:49 -07:00
sunrpc Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
tipc [NET]: Wrap netdevice hardware header creation. 2007-10-10 16:52:50 -07:00
unix sched: affine sync wakeups 2007-10-15 17:00:19 +02:00
wanrouter
wireless Driver core: change add_uevent_var to use a struct 2007-10-12 14:51:01 -07:00
x25
xfrm [IPSEC]: Rename mode to outer_mode and add inner_mode 2007-10-17 21:35:51 -07:00
compat.c
Kconfig [NET]: Add network namespace clone & unshare support. 2007-10-10 16:52:46 -07:00
Makefile
nonet.c
socket.c r/o bind mounts: filesystem helpers for custom 'struct file's 2007-10-17 08:43:04 -07:00
sysctl_net.c
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