Jesse Brandeburg 679be3ba0c e1000: fix unmap bug ... as reported by kerneloops.org [ 121.781161] ------------[ cut here ]------------ [ 121.781171] WARNING: at lib/dma-debug.c:793 check_unmap+0x14e/0x577() [ 121.781173] Hardware name: S5520HC [ 121.781177] e1000 0000:0a:00.0: DMA-API: device driver tries to free DMA memory it has not allocated [device address=0x00000001d688b0fa] [size=1522 bytes] [ 121.781180] Modules linked in: e1000 mdio dca [last unloaded: ixgbe] [ 121.781187] Pid: 4793, comm: bash Tainted: P 2.6.30-master-06161113 #3 [ 121.781190] Call Trace: [ 121.781195] [<ffffffff8123056f>] ? check_unmap+0x14e/0x577 [ 121.781201] [<ffffffff81057a19>] warn_slowpath_common+0x77/0x8f [ 121.781205] [<ffffffff81057ae1>] warn_slowpath_fmt+0x9f/0xa1 [ 121.781212] [<ffffffff81477ce2>] ? _spin_lock_irqsave+0x3f/0x49 [ 121.781216] [<ffffffff8122fa97>] ? get_hash_bucket+0x28/0x33 [ 121.781220] [<ffffffff8123056f>] check_unmap+0x14e/0x577 [ 121.781225] [<ffffffff810e4f48>] ? check_bytes_and_report+0x38/0xcb [ 121.781230] [<ffffffff81230bbf>] debug_dma_unmap_page+0x80/0x92 [ 121.781234] [<ffffffff8122e549>] ? unmap_single+0x1a/0x4e [ 121.781239] [<ffffffff813901e1>] ? __kfree_skb+0x74/0x78 [ 121.781250] [<ffffffffa00662ef>] pci_unmap_single+0x64/0x6d [e1000] [ 121.781259] [<ffffffffa0066344>] e1000_clean_rx_ring+0x4c/0xbf [e1000] [ 121.781268] [<ffffffffa00663df>] e1000_clean_all_rx_rings+0x28/0x36 [e1000] [ 121.781277] [<ffffffffa0067464>] e1000_down+0x138/0x141 [e1000] [ 121.781286] [<ffffffffa00681c2>] __e1000_shutdown+0x6b/0x198 [e1000] [ 121.781296] [<ffffffffa0068405>] e1000_suspend+0x17/0x50 [e1000] [ 121.781301] [<ffffffff81237665>] pci_legacy_suspend+0x3b/0xbe [ 121.781305] [<ffffffff81237bc6>] pci_pm_suspend+0x3e/0xf1 [ 121.781310] [<ffffffff812eaf1c>] pm_op+0x57/0xde [ 121.781314] [<ffffffff812eb444>] dpm_suspend_start+0x31e/0x470 [ 121.781319] [<ffffffff810877da>] suspend_devices_and_enter+0x3e/0x1a2 [ 121.781323] [<ffffffff81087a0f>] enter_state+0xd1/0x127 [ 121.781327] [<ffffffff8108717a>] state_store+0xa7/0xc9 [ 121.781332] [<ffffffff81221843>] kobj_attr_store+0x17/0x19 [ 121.781336] [<ffffffff8113c01e>] sysfs_write_file+0xe5/0x121 [ 121.781341] [<ffffffff810ed165>] vfs_write+0xab/0x105 [ 121.781344] [<ffffffff810ed279>] sys_write+0x47/0x6d [ 121.781349] [<ffffffff81027aab>] system_call_fastpath+0x16/0x1b [ 121.781352] ---[ end trace 97bacaaac2ed7786 ]--- Fix is to correctly zero out internal ->dma value when unmapping and make sure never to unmap unless there specifically was a mapping done. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2009-06-30 19:46:58 -07:00
..
accessibility
acpi	Merge branch 'bjorn-notify' into release	2009-06-24 01:22:20 -04:00
amba
ata	libata: don't set IORDY for reset	2009-06-23 01:54:30 -04:00
atm
auxdisplay
base
block
bluetooth
cdrom
char	Remove low_latency flag setting from nozomi and mxser drivers	2009-06-24 09:55:50 -07:00
clocksource
connector
cpufreq
cpuidle
crypto
dca
dio
dma	DMA: txx9dmac: use dma_unmap_single if DMA_COMPL_{SRC,DEST}_UNMAP_SINGLE set	2009-06-24 18:34:40 +01:00
edac
eisa
firewire	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6	2009-06-22 21:29:52 -07:00
firmware
gpio	gpio: driver for PrimeCell PL061 GPIO controller	2009-06-19 16:46:03 -07:00
gpu	Merge branches 'acerhdf', 'acpi-pci-bind', 'bjorn-pci-root', 'bugzilla-12904', 'bugzilla-13121', 'bugzilla-13396', 'bugzilla-13533', 'bugzilla-13612', 'c3_lock', 'hid-cleanups', 'misc-2.6.31', 'pdc-leak-fix', 'pnpacpi', 'power_nocheck', 'thinkpad_acpi', 'video' and 'wmi' into release	2009-06-24 01:19:50 -04:00
hid
hwmon
i2c	i2c: driver for the Synopsys DesignWare I2C controller	2009-06-24 00:18:56 +01:00
ide	ide cmd64x: Remove serialize setting.	2009-06-21 22:48:03 -07:00
idle
ieee1394	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6	2009-06-22 21:29:52 -07:00
ieee802154
infiniband	Merge branches 'ehca', 'misc', 'mlx4', 'mthca' and 'nes' into for-linus	2009-06-23 10:38:47 -07:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2009-06-20 10:17:02 -07:00
isdn
leds
lguest
macintosh
mca
md	dm mpath: change to be request based	2009-06-22 10:12:37 +01:00
media	V4L/DVB (12131): BUGFIX: An incorrect Carrier Recovery Loop optimization table was being	2009-06-23 03:29:57 -03:00
memstick
message	fusion: mptsas, fix lock imbalance	2009-06-22 08:54:14 -05:00
mfd	[WATCHDOG] twl4030 watchdog driver	2009-06-20 18:39:43 +00:00
misc
mmc	sdhci: remove needless double parenthesis	2009-06-21 21:01:00 +02:00
mtd	Merge git://git.infradead.org/mtd-2.6	2009-06-22 16:56:22 -07:00
net	e1000: fix unmap bug	2009-06-30 19:46:58 -07:00
nubus
of
oprofile
parisc
parport	parport_pc: set properly the dma_mask for parport_pc device	2009-06-22 11:29:00 -07:00
pci	Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6	2009-06-24 10:17:07 -07:00
pcmcia
platform	asus-laptop: remove EXPERIMENTAL dependency	2009-06-24 01:34:00 -04:00
pnp	Merge branches 'acerhdf', 'acpi-pci-bind', 'bjorn-pci-root', 'bugzilla-12904', 'bugzilla-13121', 'bugzilla-13396', 'bugzilla-13533', 'bugzilla-13612', 'c3_lock', 'hid-cleanups', 'misc-2.6.31', 'pdc-leak-fix', 'pnpacpi', 'power_nocheck', 'thinkpad_acpi', 'video' and 'wmi' into release	2009-06-24 01:19:50 -04:00
power
pps
ps3
rapidio
regulator
rtc	rtc: make rtc_update_irq callable with irqs enabled	2009-06-19 16:46:05 -07:00
s390	[S390] dasd: fix refcounting in dasd_change_state	2009-06-22 12:08:23 +02:00
sbus
scsi	[SCSI] scsi_transport_fc: replace BUS_ID_SIZE by fixed count	2009-06-21 12:11:43 -05:00
serial	pci: use pci_ioremap_bar() in drivers/serial	2009-06-24 09:55:50 -07:00
sh
sn
spi	spi_mpc8xxx: s/83xx/8xxx/g	2009-06-19 16:46:05 -07:00
ssb
staging	Staging: octeon-ethernet: Fix race freeing transmit buffers.	2009-06-24 18:34:41 +01:00
tc
telephony
thermal
uio
usb
uwb
video	nvidiafb: fix boot-time printk string	2009-06-23 12:50:05 -07:00
virtio
vlynq
w1	Merge git://git.infradead.org/battery-2.6	2009-06-24 14:35:57 -07:00
watchdog	[WATCHDOG] wdt_pci.c: remove #ifdef CONFIG_WDT_501_PCI	2009-06-23 07:13:52 +00:00
xen
zorro
Kconfig
Makefile