Re: [PATCH] spmi: pmic-arb: fix nullptr deref on v1 hardware

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On 07/08, Luca Weiss wrote:
> [    1.250120] Unable to handle kernel NULL pointer dereference at virtual address 00000940
> [    1.255299] pgd = c0204000
> [    1.263503] [00000940] *pgd=00000000
> [    1.266009] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
> [    1.269696] Modules linked in:
> [    1.274986] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.12.0-08608-g25b3421a06a9 #1
> [    1.277863] Hardware name: Generic DT based system
> [    1.285404] task: ee8a0000 task.stack: ee89c000
> [    1.290277] PC is at pmic_arb_ppid_to_apid_v1+0x14/0xf0
> [    1.294698] LR is at qpnpint_irq_domain_dt_translate+0xa8/0x1bc
> 
> [    1.717902] [<c0722494>] (pmic_arb_ppid_to_apid_v1) from [<c07217ec>] (qpnpint_irq_domain_dt_translate+0xa8/0x1bc)
> [    1.726066] [<c07217ec>] (qpnpint_irq_domain_dt_translate) from [<c036bd04>] (irq_create_fwspec_mapping+0x298/0x2f0)
> [    1.736305] [<c036bd04>] (irq_create_fwspec_mapping) from [<c036bda8>] (irq_create_of_mapping+0x4c/0x54)
> 
> Fixes: 7f1d4e58dabb ("spmi: pmic-arb: optimize table lookups")
> 
> Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
> Signed-off-by: Roy Spliet <nouveau@xxxxxxxxxx>
> ---

Thanks. I already sent a patch for this one though:

http://lkml.kernel.org/r/20170627021746.22445-1-sboyd@xxxxxxxxxxxxxx

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