From: Madhuparna Bhowmik Date: Mon, 27 Jan 2020 17:58:21 +0000 (+0530) Subject: fork: Use RCU_INIT_POINTER() instead of rcu_access_pointer() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0c282b068eb26db0e85e2ab4ec6d1e932acda841;p=linux.git fork: Use RCU_INIT_POINTER() instead of rcu_access_pointer() Use RCU_INIT_POINTER() instead of rcu_access_pointer() in copy_sighand(). Suggested-by: Oleg Nesterov Signed-off-by: Madhuparna Bhowmik Acked-by: Oleg Nesterov Acked-by: Christian Brauner [christian.brauner@ubuntu.com: edit commit message] Link: https://lore.kernel.org/r/20200127175821.10833-1-madhuparnabhowmik10@gmail.com Signed-off-by: Christian Brauner --- diff --git a/kernel/fork.c b/kernel/fork.c index 60a1295f43843..86425305cd4ac 100644 --- 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); if (!sig) return -ENOMEM;