Re: [NET] IPv6 oops bisected

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On Sun, Oct 07, 2007 at 11:16:08PM -0700, David Miller wrote:
>
> diff --git a/net/ipv6/route.c b/net/ipv6/route.c
> index a7db84c..7109ad6 100644
> --- a/net/ipv6/route.c
> +++ b/net/ipv6/route.c
> @@ -1188,7 +1188,7 @@ int ip6_route_add(struct fib6_config *cfg)
>  	if ((cfg->fc_flags & RTF_REJECT) ||
>  	    (dev && (dev->flags&IFF_LOOPBACK) && !(addr_type&IPV6_ADDR_LOOPBACK))) {
>  		/* hold loopback dev/idev if we haven't done so. */
> -		if (dev != dev->nd_net->loopback_dev) {
> +		if (!dev || (dev != dev->nd_net->loopback_dev)) {
>  			if (dev) {
>  				dev_put(dev);
>  				in6_dev_put(idev);

Unfortunately this'll still oops a few lines down when it tries
to assign dev->nd_net->loopabck_dev to dev.  The issue here is
which namespace are we in if dev is NULL.

Cheers,
-- 
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