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5962c2c803
linux-kernel-test/drivers
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Faisal Latif 5962c2c803 RDMA/nes: Fix nes_nic_cm_xmit() error handling 
We are getting crash or hung situation when we are running network
cable pull tests during RDMA traffic.

In schedule_nes_timer(), we return an error if nes_nic_cm_xmit()
returns failure.  This is changed to success as skb is being put on
the timer routines to be processed later.  In send_syn() case, we are
indicating connect failure once from nes_connect() and the other when
the rexmit retries expires.

The other issue is skb->users which we are incrementing before calling
nes_nic_cm_xmit() which calls dev_queue_xmit() but in case of failure
we are decrementing the skb->users at the same time putting the skb on
the rexmit path.  Even if dev_queue_xmit() fails, the skb->users is
decremented already.  We are removing the decrement of skb->users in
case of failure from both schedule_nes_timer() as well as from
nes_cm_timer_tick().

There is also extra check in nes_cm_timer_tick() for rexmit failure
which does a break from the loop is removed.  This causes problem as
the other nodes have their cm_node->ref_count incremented and are not
processed.

Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2009-04-08 14:23:55 -07:00
..
accessibility
acpi Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2009-03-26 15:23:24 -07:00
amba amba: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:22 -07:00
ata [libata] Improve timeout handling 2009-03-24 22:52:39 -04:00
atm
auxdisplay
base Driver core: Fix device_move() vs. dpm list ordering, v2 2009-03-24 16:38:26 -07:00
block Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k 2009-03-26 16:15:31 -07:00
bluetooth
cdrom
char agp/intel: Add support for new intel chipset. 2009-03-27 15:12:08 -07:00
clocksource
connector
cpufreq Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq 2009-03-26 11:04:08 -07:00
cpuidle
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2009-03-26 11:04:34 -07:00
dca Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-03-23 09:25:58 -07:00
dio dio: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:22 -07:00
dma dma: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:22 -07:00
edac edac: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:21 -07:00
eisa eisa: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:22 -07:00
firewire firewire: core: optimize propagation of BROADCAST_CHANNEL 2009-03-24 20:56:52 +01:00
firmware
gpio gpio: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:23 -07:00
gpu i915: fix wrong 'size_t' format string 2009-03-27 17:02:09 -07:00
hid Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6 2009-03-26 16:14:02 -07:00
hwmon
i2c Driver core: implement uevent suppress in kobject 2009-03-24 16:38:26 -07:00
ide Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2009-03-26 11:17:04 -07:00
idle
ieee1394 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2009-03-27 18:33:56 -07:00
infiniband RDMA/nes: Fix nes_nic_cm_xmit() error handling 2009-04-08 14:23:55 -07:00
input Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6 2009-03-26 16:14:02 -07:00
isdn Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2009-03-26 15:23:24 -07:00
leds
lguest
macintosh
mca mca: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:23 -07:00
md
media Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2009-03-27 18:33:56 -07:00
memstick
message
mfd mfd: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:23 -07:00
misc
mmc mmc: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:21 -07:00
mtd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2009-03-27 16:23:12 -07:00
net mac80211/iwlwifi: move virtual A-MDPU queue bookkeeping to iwlwifi 2009-03-27 20:13:23 -04:00
nubus
of
oprofile
parisc
parport
pci Merge branch 'irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-03-26 16:06:50 -07:00
pcmcia platform driver: fix incorrect use of 'platform_bus_type' with 'struct device_driver' 2009-03-24 16:38:25 -07:00
platform Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6 2009-03-26 16:14:02 -07:00
pnp
power
ps3
rapidio rapidio: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:21 -07:00
regulator
rtc Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2009-03-26 11:17:04 -07:00
s390 Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 2009-03-26 16:04:22 -07:00
sbus
scsi Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k 2009-03-26 16:15:31 -07:00
serial Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2009-03-26 11:17:04 -07:00
sh Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2009-03-26 11:17:04 -07:00
sn
spi spi: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:21 -07:00
ssb b43: Add BCM4307 PCI-ID 2009-03-27 20:13:20 -04:00
staging Merge branch 'topic/snd_card_new-err' into for-linus 2009-03-24 00:35:35 +01:00
tc tc: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:22 -07:00
telephony
thermal
uio UIO: Take offset into account when determining number of pages that can be mapped 2009-03-24 16:38:25 -07:00
usb Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6 2009-03-26 16:14:02 -07:00
uwb
video Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2009-03-26 15:23:24 -07:00
virtio
w1
watchdog Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog 2009-03-26 15:48:11 -07:00
xen
zorro zorro: struct device - replace bus_id with dev_name(), dev_set_name() 2009-03-24 16:38:21 -07:00
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