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

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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.




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[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

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