Re: [PATCH] lib: Use RCU_INIT_POINTER(x, NULL) in idr.c

From: Tejun Heo
Date: Mon Mar 24 2014 - 08:50:23 EST

On Mon, Mar 24, 2014 at 12:40:08AM +0530, Monam Agarwal wrote:
> This patch replaces rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)
> The rcu_assign_pointer() ensures that the initialization of a structure
> is carried out before storing a pointer to that structure.
> And in the case of the NULL pointer, there is no structure to initialize.
> So, rcu_assign_pointer(p, NULL) can be safely converted to RCU_INIT_POINTER(p, NULL)
> Signed-off-by: Monam Agarwal <monamagarwal123@xxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>


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