[Linux-kernel-mentees] [PATCH] fork.c: Use RCU_INIT_POINTER() instead of rcu_access_pointer()

Oleg Nesterov oleg at redhat.com
Tue Jan 28 14:59:46 UTC 2020


On 01/27, madhuparnabhowmik10 at gmail.com wrote:
>
> --- a/kernel/fork.c
> +++ b/kernel/fork.c
> @@ -1508,7 +1508,7 @@ static int copy_sighand(unsigned long clone_flags, struct task_struct *tsk)
>  		return 0;
>  	}
>  	sig = kmem_cache_alloc(sighand_cachep, GFP_KERNEL);
> -	rcu_assign_pointer(tsk->sighand, sig);
> +	RCU_INIT_POINTER(tsk->sighand, sig);

Acked-by: Oleg Nesterov <oleg at redhat.com>



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