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Robert Hancock 968e594afd libata: Don't trust current capacity values in identify words 57-58 
Hanno Böck reported a problem where an old Conner CP30254 240MB hard drive
was reported as 1.1TB in capacity by libata:

http://lkml.org/lkml/2009/2/13/134

This was caused by libata trusting the drive's reported current capacity in
sectors in identify words 57 and 58 if the drive does not support LBA and the
current CHS translation values appear valid. Unfortunately it seems older
ATA specs were vague about what this field should contain and a number of drives
used values with wrong byte order or that were totally bogus. There's no
unique information that it conveys and so we can just calculate the number
of sectors from the reported current CHS values.

While we're at it, clean up this function to use named constants for the
identify word values.

Signed-off-by: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-03-05 07:26:10 -05:00
..
accessibility
acpi Merge branches 'release', 'bugzilla-12011', 'bugzilla-12632', 'misc' and 'suspend' into release 2009-02-21 22:01:43 -05:00
amba [ARM] Fix realview build 2009-01-08 16:29:41 +00:00
ata libata: Don't trust current capacity values in identify words 57-58 2009-03-05 07:26:10 -05:00
atm ATM: misplaced parentheses? 2009-02-18 17:41:38 -08:00
auxdisplay
base PM: Split up sysdev_[suspend|resume] from device_power_[down|up], fix 2009-02-22 22:09:33 +01:00
block xen/blkfront: use blk_rq_map_sg to generate ring entries 2009-02-26 10:45:48 +01:00
bluetooth
cdrom
char m68k: atari - Rename "mfp" to "st_mfp" 2009-02-22 09:23:02 -08:00
clocksource
connector
cpufreq [CPUFREQ] Make ignore_nice_load setting of ondemand work as expected. 2009-02-05 12:25:26 -05:00
cpuidle
crypto crypto: ixp4xx - Fix qmgr_request_queue build failure 2009-03-04 08:01:22 +08:00
dca dca: redesign locks to fix deadlocks 2009-02-02 23:26:57 -08:00
dio m68k: dio - Kill resource_size_t format warnings 2009-01-12 20:56:42 +01:00
dma [ARM] fix lots of ARM __devexit sillyness 2009-03-03 21:04:04 +00:00
edac powerpc: More printing warning fixes for the l64 to ll64 conversion 2009-01-28 17:15:52 +11:00
eisa
firewire firewire: core: Remove card from list of cards when enable fails 2009-02-01 11:17:24 +01:00
firmware Bernhard has moved 2009-02-18 15:37:56 -08:00
gpio gpiolib: fix request related issue 2009-01-29 18:04:43 -08:00
gpu drm: fix double lock typo 2009-03-04 21:49:14 +10:00
hid HID: move tmff and zpff devices from ignore_list to blacklist 2009-02-17 13:25:01 +01:00
hwmon lis3lv02d: add axes knowledge of HP Pavilion dv5 models 2009-02-18 15:37:54 -08:00
i2c Merge master.kernel.org:/home/rmk/linux-2.6-arm 2009-03-03 14:12:41 -08:00
ide ide: fix refcounting in device drivers 2009-02-25 20:28:24 +01:00
idle
ieee1394 Make ieee1394_init a fs-initcall 2009-02-26 10:32:31 -08:00
infiniband Merge branches 'ehca', 'ipoib' and 'mlx4' into for-linus 2009-01-16 15:05:54 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2009-03-02 15:43:03 -08:00
isdn ISDN: fix sc/shmem printk format warning 2009-02-20 00:54:44 -08:00
leds lis3lv02d: merge with leds hp disk 2009-01-15 16:39:40 -08:00
lguest lguest: Fix a memory leak with the lg object during launcher close 2009-01-30 11:34:11 +10:30
macintosh Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-01-07 11:31:52 -08:00
mca
md md: avoid races when stopping resync. 2009-02-25 13:18:47 +11:00
media Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2009-03-02 15:43:03 -08:00
memstick memstick: annotate endianness of attribute structs 2009-01-09 16:54:41 -08:00
message [SCSI] mpt: fix disable lsi sas to use msi as default 2009-02-22 08:51:07 -06:00
mfd mfd: Fix sm501_register_gpio section mismatch 2009-02-17 09:48:05 +01:00
misc hpilo: new pci device 2009-02-27 16:26:22 -08:00
mmc sdhci: Add NO_BUSY_IRQ quirk for Marvell CAFE host chip 2009-03-02 21:48:20 +01:00
mtd Merge master.kernel.org:/home/rmk/linux-2.6-arm 2009-03-03 14:12:41 -08:00
net Merge master.kernel.org:/home/rmk/linux-2.6-arm 2009-03-03 14:12:41 -08:00
nubus
of drivers/of: Add the of_find_i2c_device_by_node function. 2009-01-09 15:49:06 -07:00
oprofile oprofile: fix uninitialized use of struct op_entry 2009-01-17 17:26:39 +01:00
parisc Documentation: move DMA-mapping.txt to Doc/PCI/ 2009-01-29 18:19:29 -08:00
parport m68k: atari - Rename "mfp" to "st_mfp" 2009-02-22 09:23:02 -08:00
pci Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2009-02-26 14:43:42 -08:00
pcmcia powerpc: Change u64/s64 to a long long integer type 2009-01-13 14:47:59 +11:00
platform fujitsu-laptop: Use RFKILL support bitmask from firmware 2009-02-21 21:59:55 -05:00
pnp Merge branch 'linus' into release 2009-01-09 03:39:43 -05:00
power pcf50633_charger: Fix typo 2009-02-02 19:53:02 +03:00
ps3 powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/ps3 2009-01-16 16:15:14 +11:00
rapidio
regulator leds: Fix bounds checking of wm8350->pmic.led 2009-01-30 21:50:49 +00:00
rtc rtc: t reaches -1, tested 0 2009-02-11 14:25:36 -08:00
s390 [S390] fix "mem=" handling in case of standby memory 2009-02-19 15:19:19 +01:00
sbus
scsi [SCSI] fix ABORTED_COMMAND looping forever problem 2009-02-21 20:29:38 -06:00
serial Merge branch 'sh/for-2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2009-02-27 16:40:00 -08:00
sh
sn
spi spi-gpio: sanitize MISO bitvalue 2009-02-18 15:37:56 -08:00
ssb
staging Staging: w35und: fix usb_control_msg() error handling in wb35_probe() 2009-02-27 12:56:24 -08:00
tc
telephony
thermal
uio
usb USB: musb: fix srp sysfs entry deletion 2009-02-27 14:40:51 -08:00
uwb uwb: lock rc->rsvs_lock with spin_lock_bh() 2009-01-23 12:57:20 +00:00
video Merge master.kernel.org:/home/rmk/linux-2.6-arm 2009-03-03 14:12:41 -08:00
virtio virtio-pci: do not oops on config change if driver not loaded 2009-02-02 19:17:56 -08:00
w1 w1: add missing Kconfig/Makefile entries for DS2431 slave driver 2009-02-27 16:26:21 -08:00
watchdog Merge master.kernel.org:/home/rmk/linux-2.6-arm 2009-02-19 09:52:12 -08:00
xen PM: Split up sysdev_[suspend|resume] from device_power_[down|up] 2009-02-22 10:33:44 -08:00
zorro m68k: zorro - Use %pR to print resources 2009-01-12 20:56:43 +01:00
Kconfig
Makefile Merge branch 'drivers-platform' into release 2009-01-09 04:56:56 -05:00