Re: [PATCH 1/1] of/fdt: simplify early_init_dt_verify

From: leizhen
Date: Tue Nov 04 2014 - 19:49:35 EST


On 2014/11/5 1:03, Bjorn Helgaas wrote:
> On Tue, Nov 4, 2014 at 9:20 AM, Grant Likely <grant.likely@xxxxxxxxxx> wrote:
>> On Tue, 28 Oct 2014 19:51:05 +0800
>> , Zhen Lei <thunder.leizhen@xxxxxxxxxx>
>> wrote:
>>> put off initial_boot_params = params; until all checks finished. If any check
>>> failed, initial_boot_params is equal NULL, base upon bss segment initial value.
>>>
>>> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
>>
>> Interesting. I received exactly the same patch from Bjorn Helgaas. Were
>> the two of you working together, or is this merely a coincedence?
>
> LOL, that's really funny. We're not working together, so it's a total
> coincidence :)
>
Haha!!!

Hi, Bjorn Helgaas. Nice to meet you.

>>> ---
>>> drivers/of/fdt.c | 10 ++++------
>>> 1 file changed, 4 insertions(+), 6 deletions(-)
>>>
>>> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
>>> index d1ffca8..325c638 100644
>>> --- a/drivers/of/fdt.c
>>> +++ b/drivers/of/fdt.c
>>> @@ -994,14 +994,12 @@ bool __init early_init_dt_verify(void *params)
>>> if (!params)
>>> return false;
>>>
>>> - /* Setup flat device-tree pointer */
>>> - initial_boot_params = params;
>>> -
>>> /* check device tree validity */
>>> - if (fdt_check_header(params)) {
>>> - initial_boot_params = NULL;
>>> + if (fdt_check_header(params))
>>> return false;
>>> - }
>>> +
>>> + /* Setup flat device-tree pointer */
>>> + initial_boot_params = params;
>>>
>>> return true;
>>> }
>>> --
>>> 1.8.0
>>>
>>>
>>> --
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>>
>
> .
>


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