On Wed, Feb 07, 2018 at 09:59:17PM -0800, Cong Wang wrote:
> There is a race condition between clusterip_config_entry_put()
> and clusterip_config_init(), after we release the spinlock in
> clusterip_config_entry_put(), a new proc file with a same IP could
> be created immediately since it is already removed from the configs
> list, therefore it triggers this warning:
> ------------[ cut here ]------------
> proc_dir_entry 'ipt_CLUSTERIP/' already registered
> WARNING: CPU: 1 PID: 4152 at fs/proc/generic.c:330 proc_register+0x2a4/0x370 
> fs/proc/generic.c:329
> Kernel panic - not syncing: panic_on_warn set ...
> As a quick fix, just move the proc_remove() inside the spinlock.

Applied, thanks.
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