Re: [PATCH] DMA: OF: Check properties value before runningbe32_to_cpup() on it

From: Viresh Kumar
Date: Thu Mar 21 2013 - 06:18:55 EST

On 21 March 2013 15:16, Vinod Koul <vinod.koul@xxxxxxxxx> wrote:
> On Fri, Mar 15, 2013 at 02:18:20PM +0530, Viresh Kumar wrote:
>> In of_dma_controller_register() routine we are calling of_get_property() as an
>> parameter to be32_to_cpup(). In case the property doesn't exist we will get a
>> crash.
>> This patch changes this code to check if we got a valid property first and then
>> runs be32_to_cpup() on it.
>> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>> ---
>> My mails are broken, i have pushed this patch here:
> I noticed you used git send-email. Usually it will send patch properly
> independent of whatever MUA you use.

Probably not!! Its the famous (Infamous) Microsoft exchange server working in
background and it breaks mails without treating mails coming from git send-email
specially :)

> So I have the patch and its applied now :)

I have seen this kind of discrimination on breaking patches based on the size of
patch. If its very small (like this one), you may get a unbroken patch
but if the size
is a bit large then nobody can save you :)

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