redonkable/alistair23-linux
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alistair23-linux/drivers
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Pete Zaitcev ef45cb624b ub: remove BUG() after __blk_end_request and fix the condition causing it 
When __blk_end_request returns nonzero, it means that the request was
not completely processed and some BIOs are still attached. Since we
have dequeued it by that time, it means leaking requests and hanging
processes, which is why BUG() was in there. In ub this happens if
a packet request ends normally, but with residue (e.g. when scsi_id
issues INQUIRY).

The fix is to make sure that arguments passed to __blk_end_request
are correct: the full request length and not just transferred length.
The transferred length is indicated to applications by adjusting
rq->data_len with old, unchanged code outside of this patch.

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Cc: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Cc: Greg KH <greg@kroah.com>
Cc: Boaz Harrosh <bharrosh@panasas.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-08 18:25:52 -07:00
..
acorn/char
acpi Revert "ACPI: Ignore _BQC object when registering backlight device" 2008-04-05 12:14:13 -07:00
amba
ata pata_ali: disable ATAPI DMA 2008-04-04 02:43:38 -04:00
atm [ATM] drivers/atm/iphase.c: compilation warning fix 2008-04-02 00:03:00 -07:00
auxdisplay
base driver core: fix small mem leak in driver_add_kobj() 2008-03-28 14:45:23 -07:00
block ub: remove BUG() after __blk_end_request and fix the condition causing it 2008-04-08 18:25:52 -07:00
bluetooth
cdrom
char fix IS_I9XX macro in i915 DRM driver 2008-04-06 16:10:40 -07:00
clocksource
connector connector: convert to single-threaded workqueue 2008-03-23 21:51:12 -07:00
cpufreq
cpuidle cpuidle: fix 100% C0 statistics regression 2008-03-26 00:58:19 -04:00
crypto drivers/crypto/hifn_795x.c trivial endianness annotations 2008-03-30 14:20:24 -07:00
dca
dio
dma [POWERPC] fsldma: Use compatiable binding as spec 2008-03-31 11:45:41 -05:00
edac
eisa
firewire firewire: fw-ohci: plug dma memory leak in AR handler 2008-03-27 21:01:14 +01:00
firmware ipmi: change device node ordering to reflect probe order 2008-04-04 14:46:26 -07:00
gpio
hid HID: update key codes for Apple aluminium 2008-03-18 11:20:33 +01:00
hwmon hwmon: (w83781d) Fix I/O resource conflict with PNP 2008-03-27 08:40:41 -04:00
i2c i2c: Fix docbook problem 2008-03-23 20:28:20 +01:00
ide siimage: fix kernel oops on PPC 44x 2008-04-07 23:30:10 +02:00
ieee1394
infiniband trivial endianness annotations: infiniband core 2008-03-30 14:20:24 -07:00
input Input: appletouch - add product IDs for the 4th generation MacBooks 2008-04-02 10:14:29 -04:00
isdn
leds leds: Remove incorrect use of preempt_count() from leds-gpio 2008-03-31 23:31:13 +01:00
lguest misc __user misannotations (pointless casts to long) 2008-03-30 14:20:23 -07:00
macintosh
mca
md dm io: write error bits form long not int 2008-03-28 14:45:23 -07:00
media pvrusb2: fix broken build due to patch order dependency 2008-04-07 19:14:34 -07:00
memstick memstick: suppress uninitialized-var warning 2008-03-28 14:45:23 -07:00
message [SCSI] mpt fusion: Power Management fixes for MPT SAS PCI-E controllers 2008-03-18 15:13:40 -05:00
mfd mfd/asic3: ioread/iowrite take pointer, not unsigned long 2008-03-30 14:20:24 -07:00
misc NULL noise: drivers/misc 2008-03-30 14:18:41 -07:00
mmc mmc: use sysfs groups to handle conditional attributes 2008-03-22 17:02:20 -07:00
mtd mtd: fix broken state in CFI driver caused by FL_SHUTDOWN 2008-04-04 14:46:26 -07:00
net virtio_net: remove overzealous printk 2008-04-07 13:56:33 -07:00
nubus
of
oprofile
parisc [PARISC] make ptr_to_pide() static 2008-03-15 19:17:12 -07:00
parport parport_pc: make sure to release IO ports after probing for IT87XX 2008-04-04 14:30:31 -07:00
pci pci: revert SMBus unhide on HP Compaq nx6110 2008-03-28 14:45:22 -07:00
pcmcia
pnp pnpacpi: reduce printk severity for "pnpacpi: exceeded the max number of ..." 2008-03-26 14:22:20 -04:00
power
ps3
rapidio
rtc rtc-at91sam9 fixes 2008-03-19 18:53:37 -07:00
s390
sbus
scsi scsi: fix sense_slab/bio swapping livelock 2008-04-06 16:10:08 -07:00
serial atmel_serial: fix uart/console concurrent access 2008-04-02 15:28:19 -07:00
sh
sn ioc3.c: replace remaining __FUNCTION__ occurrences 2008-03-17 08:11:48 -04:00
spi
ssb
tc
telephony
thermal thermal: delete "default y" 2008-03-18 01:22:10 -04:00
uio UIO: add pgprot_noncached() to UIO mmap code 2008-03-24 22:33:49 -07:00
usb USB: ohci: fix 2 timers to fire at jiffies + 1s 2008-04-02 15:06:09 -07:00
video blackfin video driver: fix bug when opening/reading/mmaping BF54x and BF52x framebuffer simultaneously 2008-03-28 14:45:22 -07:00
virtio virtio: remove overzealous BUG_ON. 2008-04-07 13:14:22 -07:00
w1
watchdog [WATCHDOG] it8712f_wdt Zero MSB timeout byte when disabling watchdog 2008-04-06 19:12:22 +00:00
xen xen: fix grant table bug 2008-04-04 18:36:46 +02:00
zorro
Kconfig
Makefile