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Artem Bityutskiy 2362a53ec5 UBI: fix error code in ubi_io_read() 
When NAND detects an ECC error, it returns -EBADMSG. It does not
stop reading requested data if one page has an ECC error, it keeps
going and reads all the requested data. If it fails to read all
the data, it does not return -EBADMSG, but returns the error code
which reflects the reason of the failure.

But some drivers may have bugs (e.g., OneNAND had) and stop reading
after the first ECC error, so it returns -EBADMSG. In turn, UBI
propagates this up to the caller. The caller will treat this as
"all the requested data was read, but there was an ECC error".

So we change the error code to -EIO if it is -EBADMSG and the read
length is less then the requested length. We also add an assertion,
so if UBI debugging is enabled, UBI will bug.

Pointed-to-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
 		2007-12-26 19:15:13 +02:00
..
acorn/char
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acpi Fix /proc/acpi/alarm BCD alarm encodings 2007-10-25 15:08:03 -07:00
amba
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ata Merge branch 'sg' of git://git.kernel.dk/linux-2.6-block 2007-10-25 15:44:54 -07:00
atm Eliminate pointless casts from void* in a few driver irq handlers. 2007-10-23 19:53:16 -04:00
auxdisplay
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base memory hotplug: rearrange memory hotplug notifier 2007-10-22 08:13:17 -07:00
block ub: add sg_init_table for sense and read capacity commands 2007-10-25 09:17:03 +02:00
bluetooth [Bluetooth] Add generic driver for Bluetooth USB devices 2007-10-22 02:59:46 -07:00
cdrom SG: audit of drivers that use blk_rq_map_sg() 2007-10-24 13:21:21 +02:00
char drivers/char/riscom8: clean up irq handling 2007-10-23 19:53:17 -04:00
clocksource
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connector
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cpufreq
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cpuidle
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crypto [CRYPTO] users: Fix up scatterlist conversion errors 2007-10-27 00:52:07 -07:00
dca
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dio
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dma I/OAT: Add completion callback for async_tx interface use 2007-10-18 14:37:32 -07:00
edac NULL terminate the pci_device_ids in pasemi_edac 2007-10-19 11:53:56 -07:00
eisa
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firewire firewire: fw-ohci: shut up a superfluous compiler warning 2007-10-22 19:48:56 +02:00
firmware define global BIT macro 2007-10-19 11:53:42 -07:00
hid changed email 2007-10-20 00:47:32 +02:00
hwmon Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
i2c typo fixes 2007-10-20 01:34:40 +02:00
ide Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 2007-10-28 12:03:14 -07:00
ieee1394 SG: Change sg_set_page() to take length and offset argument 2007-10-24 11:20:47 +02:00
infiniband SG: Change sg_set_page() to take length and offset argument 2007-10-24 11:20:47 +02:00
input [PARPORT] Remove unused 'irq' argument from parport irq functions 2007-10-23 19:53:16 -04:00
isdn ISDN/sc: fix longstanding warning 2007-10-24 05:16:25 -04:00
kvm Consolidate host virtualization support under Virtualization menu 2007-10-23 15:49:47 +10:00
leds fix typo "sort" -> "short" 2007-10-20 01:55:58 +02:00
lguest lguest: documentation update 2007-10-25 15:02:50 +10:00
macintosh Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-10-19 20:36:17 -07:00
mca
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md [CRYPTO] users: Fix up scatterlist conversion errors 2007-10-27 00:52:07 -07:00
media SG: Change sg_set_page() to take length and offset argument 2007-10-24 11:20:47 +02:00
message SG: audit of drivers that use blk_rq_map_sg() 2007-10-24 13:21:21 +02:00
mfd typo fixes 2007-10-20 01:34:40 +02:00
misc typo fixes 2007-10-20 01:34:40 +02:00
mmc scatterlist fallout: mmc 2007-10-27 22:18:12 -07:00
mtd UBI: fix error code in ubi_io_read() 2007-12-26 19:15:13 +02:00
net [CRYPTO] users: Fix up scatterlist conversion errors 2007-10-27 00:52:07 -07:00
nubus
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of [SPARC/64]: Consolidate of_register_driver 2007-10-17 21:17:42 -07:00
oprofile
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parisc parisc: fix sg_page() fallout 2007-10-23 09:49:31 +02:00
parport [PARPORT] Remove unused 'irq' argument from parport irq functions 2007-10-23 19:53:16 -04:00
pci jmicron: update quirk for JMB361/3/5/6 2007-10-23 21:20:02 -04:00
pcmcia remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
pnp PNP: add debug message for adding new device 2007-10-17 08:43:04 -07:00
power Merge git://git.infradead.org/battery-2.6 2007-10-22 19:20:52 -07:00
ps3 remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
rapidio
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rtc typo fixes 2007-10-20 01:34:40 +02:00
s390 SG: Change sg_set_page() to take length and offset argument 2007-10-24 11:20:47 +02:00
sbus vfc_dev conversion to mutex: fallout 2007-10-20 15:04:06 -07:00
scsi [CRYPTO] users: Fix up scatterlist conversion errors 2007-10-27 00:52:07 -07:00
serial serial: stop passing NULL to functions that expect data 2007-10-25 12:18:40 -07:00
sh
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sn
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spi Fix misspellings of "system", "controller", "interrupt" and "necessary". 2007-10-19 23:10:43 +02:00
ssb
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tc
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telephony
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uio
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usb USB: open disconnect race in usblcd 2007-10-25 12:18:46 -07:00
video cirrusfb nonsense 2007-10-27 22:18:12 -07:00
virtio Virtio helper routines for a descriptor ringbuffer implementation 2007-10-23 15:49:55 +10:00
w1 Add missing newlines to some uses of dev_<level> messages 2007-10-18 14:37:28 -07:00
watchdog [WATCHDOG] AR7: watchdog timer 2007-10-23 20:35:13 +00:00
xen Add missing newlines to some uses of dev_<level> messages 2007-10-18 14:37:28 -07:00
zorro Convert files to UTF-8 and some cleanups 2007-10-19 23:21:04 +02:00
Kconfig Virtio interface 2007-10-23 15:49:54 +10:00
Makefile Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2007-10-23 16:37:29 -07:00