Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1224351

Re: [PATCH] atm: deal with setting entry before mkip was called

Show all headers | View raw

On 09/14/2015 12:50 PM, Eric Dumazet wrote:
> On Mon, 2015-09-14 at 11:48 -0400, Sasha Levin wrote:
> 
>>
>> diff --git a/net/atm/clip.c b/net/atm/clip.c
>> index 17e55df..4407b2f 100644
>> --- a/net/atm/clip.c
>> +++ b/net/atm/clip.c
>> @@ -317,6 +317,9 @@ static int clip_constructor(struct neighbour *neigh)
>>  
>>  static int clip_encap(struct atm_vcc *vcc, int mode)
>>  {
>> +	if (!CLIP_VCC(vcc))
>> +		return -EBADF;
>> +
>>  	CLIP_VCC(vcc)->encap = mode;
>>  	return 0;
>>  }
> 
> 
> -EBADF has a very precise meaning : /* Bad file number */
> 
> In this case, the file number is correct (and maps to a proper file),
> but driver state is not allowing for this particular operation.

I've tried to be consistent with a similar check within clip_mkip() and
clip_setentry():

        if (!vcc->push)
                return -EBADFD;

So calling clip_setentry() before clip_mkip() would also give you -EBADFD.


Thanks,
Sasha
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH] atm: deal with setting entry before mkip was called Sasha Levin <sasha.levin@oracle.com> - 2015-09-14 17:50 +0200
  Re: [PATCH] atm: deal with setting entry before mkip was called Eric Dumazet <eric.dumazet@gmail.com> - 2015-09-14 19:00 +0200
    Re: [PATCH] atm: deal with setting entry before mkip was called Sasha Levin <sasha.levin@oracle.com> - 2015-09-14 19:10 +0200
    Re: [PATCH] atm: deal with setting entry before mkip was called Sasha Levin <sasha.levin@oracle.com> - 2015-09-14 19:10 +0200
      Re: [PATCH] atm: deal with setting entry before mkip was called Eric Dumazet <eric.dumazet@gmail.com> - 2015-09-14 19:10 +0200

csiph-web