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a264b981f2
linux/drivers/net/ethernet
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Uwe Kleine-König a264b981f2 net/fec: Don't let ndo_start_xmit return NETDEV_TX_BUSY without link 
Don't test for having link and let hardware deal with this situation.

Without this patch I see a machine running an -rt patched Linux being
stuck in sch_direct_xmit when it looses link while there is still a
packet to be sent. In this case the fec_enet_start_xmit routine returned
NETDEV_TX_BUSY which makes the network stack reschedule the packet and
so sch_direct_xmit calls fec_enet_start_xmit again.
I failed to reproduce a complete hang without -rt, but I think the
problem exists there, too.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-30 16:05:04 -07:00
..
3com net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
8390 net/trivial: replace numeric with standard PM state macros 2013-06-28 22:11:48 -07:00
adaptec net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
adi net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
aeroflex net: ethernet: use platform_{get,set}_drvdata() 2013-05-25 21:27:58 -07:00
allwinner drivers: net: sun4i-emac: select MDIO_SUN4I 2013-07-26 13:57:58 -07:00
alteon
amd amd8111e: use pdev->pm_cap instead of pci_find_capability(.., PCI_CAP_ID_PM) 2013-06-19 22:22:56 -07:00
apple net: Restore unintentional reverts. 2013-06-24 12:43:40 -07:00
arc arc_emac: fix compile-time errors & warnings on PPC64 2013-06-26 01:35:44 -07:00
atheros Revert "atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring" 2013-07-27 20:00:44 -07:00
broadcom net/tg3: Fix warning from pci_disable_device() 2013-07-26 14:28:00 -07:00
brocade Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
cadence drivers/net/ethernet/cadence: don't use devm_pinctrl_get_select_default() in probe 2013-07-11 17:18:26 -07:00
calxeda net: ethernet: remove unnecessary platform_set_drvdata() 2013-05-27 22:34:51 -07:00
chelsio cxgb3: Missing rtnl lock in error recovery 2013-07-02 12:37:48 -07:00
cirrus net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
cisco drivers/net: enic: release rtnl_lock on error-path 2013-07-09 12:55:48 -07:00
davicom net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
dec net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
dlink net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
emulex be2net: Fix to avoid hardware workaround when not needed 2013-07-16 13:01:57 -07:00
faraday net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
freescale net/fec: Don't let ndo_start_xmit return NETDEV_TX_BUSY without link 2013-07-30 16:05:04 -07:00
fujitsu
hp
i825xx
ibm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
icplus net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
intel igb: fix vlan filtering in promisc mode when not in VT mode 2013-07-28 13:17:17 -07:00
marvell net: mv643xx_eth: do not use port number as platform device id 2013-07-09 12:51:47 -07:00
mellanox mlx5: use after free in mlx5_cmd_comp_handler() 2013-07-24 15:44:51 -07:00
micrel net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
microchip
myricom net/trivial: replace numeric with standard PM state macros 2013-06-28 22:11:48 -07:00
natsemi
neterion treewide: Fix typo in printk 2013-06-18 13:48:45 +02:00
nuvoton net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
nvidia
nxp net: ethernet: remove unnecessary platform_set_drvdata() 2013-05-27 22:34:51 -07:00
octeon Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
oki-semi net: pch_gbe depends on x86 2013-07-22 14:43:30 -07:00
packetengines net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
pasemi
qlogic qlcnic: Fix diagnostic interrupt test for 83xx adapters. 2013-07-27 20:03:02 -07:00
rdc net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
realtek r8169: fix lockdep warning when removing interface 2013-07-24 15:42:59 -07:00
renesas sh_eth: SH_ETH should depend on HAS_DMA 2013-07-10 19:47:14 -07:00
seeq net: ethernet: remove unnecessary platform_set_drvdata() 2013-05-27 22:34:51 -07:00
sfc sfc: Enable RX scatter for flows steered by RFS 2013-07-22 18:03:50 -07:00
sgi net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
silan
sis net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
smsc net: Move MII out from under NET_CORE and hide it 2013-06-19 22:22:56 -07:00
stmicro dt:net:stmmac: Add dt specific phy reset callback support. 2013-07-04 14:34:17 -07:00
sun sunvnet: vnet_port_remove must call unregister_netdev 2013-07-10 13:35:52 -07:00
tehuti
ti Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
tile
toshiba
tundra net: ethernet: remove unnecessary platform_set_drvdata() 2013-05-27 22:34:51 -07:00
via via-rhine: fix dma mapping errors 2013-07-12 16:28:02 -07:00
wiznet net: ethernet: remove unnecessary platform_set_drvdata() 2013-05-27 22:34:51 -07:00
xilinx net: emaclite: Convert to use devm_ioremap_resource 2013-06-12 02:22:35 -07:00
xircom
xscale net: ethernet: remove unnecessary platform_set_drvdata() 2013-05-27 22:34:51 -07:00
dnet.c
dnet.h
ethoc.c net: ethernet: remove unnecessary platform_set_drvdata() 2013-05-27 22:34:51 -07:00
fealnx.c
jme.c net, jme: remove redundant D0 power state set 2013-05-31 01:39:08 -07:00
jme.h
Kconfig ethernet/arc/arc_emac - Add new driver 2013-06-25 16:34:32 -07:00
korina.c net: Restore unintentional reverts. 2013-06-24 12:43:40 -07:00
lantiq_etop.c
Makefile ethernet/arc/arc_emac - Add new driver 2013-06-25 16:34:32 -07:00
netx-eth.c net: ethernet: remove unnecessary platform_set_drvdata() 2013-05-27 22:34:51 -07:00
s6gmac.c net: ethernet: remove unnecessary platform_set_drvdata() 2013-05-27 22:34:51 -07:00