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

From: Bjorn Helgaas
Date: Tue Nov 04 2014 - 12:04:21 EST


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 :)

>> ---
>> 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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