[PATCH 1/2] netns: fix NULL-dereference in dev_net()

Brian Haley brian.haley at hp.com
Thu Aug 14 13:29:13 PDT 2008


Denis V. Lunev wrote:
> On Thu, 2008-08-14 at 15:27 -0400, Brian Haley wrote:
>> Change dev_net() to handle a NULL argument - return &init_net instead.
>>
>> -Brian
>>
>> Signed-off-by: Brian Haley <brian.haley at hp.com>
>> ---
>>
> the code is designed keeping in mind that there are no checks for
> 	net != NULL
> in any place. They are too expensive. We need to invent other way :(

Ok, I'll fix the other callers to pass *net, I was just trying to be 
overly safe in dev_net() to avoid a crash.

-Brian


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