Re: [PATCH] netns: fix net_alloc_generic()

[David Miller <davem@xxxxxxxxxxxxx>]

From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Date: Thu, 26 Jan 2012 11:41:38 +0100

> [PATCH] netns: fix net_alloc_generic()
> 
> When a new net namespace is created, we should attach to it a "struct
> net_generic" with enough slots (even empty), or we can hit the following
> BUG_ON() :
> 
...
> net_alloc_generic() should take into account the maximum index into the
> ptr array, as a subsystem might use net_generic() anytime.
> 
> This also reduces number of reallocations in net_assign_generic()
> 
> Reported-by: Sasha Levin <levinsasha928@xxxxxxxxx>
> Signed-off-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>

Applied and queued up for -stable, thanks.
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