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linux-kernel-test/drivers/mtd
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Nathan Williams d1f3b65d2d mtd cs553x_nand: Initialise ecc.strength before nand_scan() 
Loading cs553x_nand with Hynix H27U1G8F2BTR NAND flash causes this bug:

kernel BUG at drivers/mtd/nand/nand_base.c:3345!
invalid opcode: 0000 [#1]
Modules linked in: cs553x_nand(+) vfat fat usb_storage ehci_hcd usbcore usb_comr
Pid: 436, comm: modprobe Not tainted 3.6.7 #1
EIP: 0060:[<c118d205>] EFLAGS: 00010296 CPU: 0
EIP is at nand_scan_tail+0x64c/0x69c
EAX: 00000034 EBX: cea6ed98 ECX: 00000000 EDX: 00000000
ESI: cea6ec00 EDI: cea6ec00 EBP: 20000000 ESP: cdd17e48
 DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
CR0: 8005003b CR2: 0804e119 CR3: 0d850000 CR4: 00000090
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
Process modprobe (pid: 436, ti=cdd16000 task=cdd1c320 task.ti=cdd16000)
Stack:
 c12e962c c118f7ef 00000003 cea6ed98 d014b25c 20000000 fffff007 00000001
 00000000 cdd53b00 d014b000 c1001021 cdd53b00 d01493c0 cdd53b00 cdd53b00
 d01493c0 c1047f83 d014b4a0 00000000 cdd17f9c ce4be454 cdd17f48 cdd1c320
Call Trace:
 [<c118f7ef>] ? nand_scan+0x1b/0x4d
 [<d014b25c>] ? init_module+0x25c/0x2de [cs553x_nand]
 [<d014b000>] ? 0xd014afff
 [<c1001021>] ? do_one_initcall+0x21/0x111
 [<c1047f83>] ? sys_init_module+0xe4/0x1261
 [<c1031207>] ? task_work_run+0x36/0x43
 [<c1265ced>] ? syscall_call+0x7/0xb
Code: fa ff ff c7 86 d8 00 00 00 01 00 00 00 e9 5f fc ff ff 68 f8 26 2e c1 e8 a7
EIP: [<c118d205>] nand_scan_tail+0x64c/0x69c SS:ESP 0068:cdd17e48

Initialising ecc.strength before the call to nand_scan() fixes this.

Signed-off-by: Nathan Williams <nathan@traverse.com.au>
Cc: stable@vger.kernel.org [3.4+]
Acked-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Dunn <mikedunn@newsguy.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
2012-12-03 16:36:34 +02:00
..
chips mtd: cfi_cmdset_0001: Fix problem with unlocking timeout 2012-09-29 15:29:08 +01:00
devices mtd: fix a number of checkpatch complaints 2012-11-22 12:16:28 +02:00
lpddr mtd: lpddr: replace open-coded ARRAY_SIZE with macro 2012-05-13 22:47:31 -05:00
maps mtd: fix a number of checkpatch complaints 2012-11-22 12:16:28 +02:00
nand mtd cs553x_nand: Initialise ecc.strength before nand_scan() 2012-12-03 16:36:34 +02:00
onenand mtd: remove use of __devexit 2012-11-22 12:07:03 +02:00
tests mtd: Fix typo mtd/tests 2012-11-18 16:03:37 +02:00
ubi This pull request contains the UBI fastmap support implemented by Richard 2012-10-08 20:40:45 +09:00
afs.c mtd: introduce mtd_read interface 2012-01-09 18:25:19 +00:00
ar7part.c mtd: use SQUASHFS_MAGIC from uapi/linux/magic.h 2012-11-21 17:06:44 +02:00
bcm47xxpart.c mtd: bcm47part driver for BCM47XX chipsets 2012-09-29 15:32:31 +01:00
bcm63xxpart.c mtd: bcm63xxpart: use correct printk format for partitions 2012-11-21 17:15:06 +02:00
cmdlinepart.c mtd: cmdlinepart: fix the overflow of big mtd partitions 2012-11-15 19:50:30 +02:00
ftl.c mtd: do not use mtd->sync directly 2012-01-09 18:26:21 +00:00
inftlcore.c mtd: add leading underscore to all mtd functions 2012-03-27 00:20:01 +01:00
inftlmount.c mtd: introduce mtd_block_markbad interface 2012-01-09 18:25:48 +00:00
Kconfig mtd: bcm47part driver for BCM47XX chipsets 2012-09-29 15:32:31 +01:00
Makefile mtd: bcm47part driver for BCM47XX chipsets 2012-09-29 15:32:31 +01:00
mtd_blkdevs.c mtd: mtd_blkdevs: Replace request handler kthread with a workqueue 2012-11-21 17:02:23 +02:00
mtdblock_ro.c mtd: introduce mtd_write interface 2012-01-09 18:25:20 +00:00
mtdblock.c mtd: mtdblock: call mtd_sync() only if opened for write 2012-03-27 00:11:11 +01:00
mtdchar.c mtd: Disable mtdchar mmap on MMU systems 2012-10-09 15:08:42 +01:00
mtdconcat.c mtd: unify initialization of erase_info->fail_addr 2012-03-27 01:02:24 +01:00
mtdcore.c UAPI Disintegration 2012-10-09 2012-10-09 15:04:25 +01:00
mtdcore.h
mtdoops.c mtdoops: don't erase flash at each boot 2012-11-15 15:37:51 +02:00
mtdpart.c UAPI Disintegration 2012-10-09 2012-10-09 15:04:25 +01:00
mtdsuper.c VFS: Pass mount flags to sget() 2012-07-14 16:38:34 +04:00
mtdswap.c mtd: do not use mtd->block_markbad directly 2012-01-09 18:26:26 +00:00
nftlcore.c mtd: nftlcore: remove out-of-date and now irrelevant piece of code 2012-03-27 00:24:03 +01:00
nftlmount.c mtd: introduce mtd_block_markbad interface 2012-01-09 18:25:48 +00:00
ofpart.c mtd: ofpart: Replicate mtd cmdline "lk" option with device tree "lock" property 2012-11-22 10:14:22 +02:00
redboot.c mtd: redboot: remove useless code 2012-03-27 00:24:14 +01:00
rfd_ftl.c mtd: do not use mtd->sync directly 2012-01-09 18:26:21 +00:00
sm_ftl.c mtd: kill MTD_NAND_VERIFY_WRITE 2012-09-29 15:00:46 +01:00
sm_ftl.h
ssfdc.c mtd: introduce mtd_block_isbad interface 2012-01-09 18:25:47 +00:00