Ming Lei <tom.leiming@xxxxxxxxx> writes:
> This patch fixes the oos below:
As Tero mentioned, please add a bit more description to the changelog
about why the iterator is wrong and repost.
Thanks for the patch. After the above changes, I'll queue this up for v3.4-rc.
Kevin
> [ 1.790242] Unable to handle kernel NULL pointer dereference at virtual
> address 00000004
> [ 1.798632] pgd = c0004000
> [ 1.801638] [00000004] *pgd=00000000
> [ 1.805400] Internal error: Oops: 805 [#1] PREEMPT SMP THUMB2
> [ 1.811381] Modules linked in:
> [ 1.814601] CPU: 1 Not tainted (3.3.0-next-20120320+ #733)
> [ 1.820683] PC is at irq_setup_generic_chip+0x6a/0x84
> [ 1.825951] LR is at irq_get_irq_data+0x7/0x8
> [ 1.830508] pc : [<c006465e>] lr : [<c0063a03>] psr: 20000133
> [ 1.830512] sp : ee04ff58 ip : 00000000 fp : 00000000
> [ 1.842461] r10: 00000000 r9 : 00000000 r8 : 00000800
> [ 1.847905] r7 : c064e260 r6 : 000001dc r5 : 00000001 r4 : ee0accc0
> [ 1.854687] r3 : 00000002 r2 : 00000800 r1 : 000001dc r0 : 00000000
> [ 1.861472] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment kernel
> [ 1.869234] Control: 50c5387d Table: 8000404a DAC: 00000015
> [ 1.875215] Process swapper/0 (pid: 1, stack limit = 0xee04e2f8)
> [ 1.881463] Stack: (0xee04ff58 to 0xee050000)
> [ 1.886017] ff40: c061b668 00000008
> [ 1.894497] ff60: c0682090 ee0accc0 00000003 c001c637 00000000 00000000 00000201 00000000
> [ 1.902976] ff80: 00000004 c0473820 c0473800 c0459e8d c0680ac0 c000866d 00000004 00000004
> [ 1.911455] ffa0: ee04ffa8 00000004 c047381c 00000004 c0473820 c0473800 c0680ac0 00000082
> [ 1.919934] ffc0: c0489694 c045265f 00000004 00000004 c0452135 c000d105 00000033 00000000
> [ 1.928413] ffe0: c04525b5 c000d111 00000033 00000000 00000000 c000d111 aaaaaaaa aaaaaaaa
> [ 1.936912] [<c006465e>] (irq_setup_generic_chip+0x6a/0x84) from [<c001c637>] (omap_prcm_register_chain_handler+0x147/0x1a0)
> [ 1.948516] [<c001c637>] (omap_prcm_register_chain_handler+0x147/0x1a0) from [<c000866d>] (do_one_initcall+0x65/0xf4)
> [ 1.959500] [<c000866d>] (do_one_initcall+0x65/0xf4) from [<c045265f>] (kernel_init+0xab/0x138)
> [ 1.968529] [<c045265f>] (kernel_init+0xab/0x138) from [<c000d111>] (kernel_thread_exit+0x1/0x6)
> [ 1.977632] Code: f7ff f9d1 6b23 1af3 (6043) 086d
> [ 1.982684] ---[ end trace 1b75b31a2719ed1c ]---
> [ 1.987526] Kernel panic - not syncing: Attempted to kill init!
> exitcode=0x0000000b
>
> Cc: Tero Kristo <t-kristo@xxxxxx>
> Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
> ---
> arch/arm/mach-omap2/prm_common.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
> index 873b51d..d28f848 100644
> --- a/arch/arm/mach-omap2/prm_common.c
> +++ b/arch/arm/mach-omap2/prm_common.c
> @@ -290,7 +290,7 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup)
> goto err;
> }
>
> - for (i = 0; i <= irq_setup->nr_regs; i++) {
> + for (i = 0; i < irq_setup->nr_regs; i++) {
> gc = irq_alloc_generic_chip("PRCM", 1,
> irq_setup->base_irq + i * 32, prm_base,
> handle_level_irq);
--
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