ipc/util: drop ipc_rcu_free()

There are no more callers of ipc_rcu_free(), so remove it. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Manfred Spraul <[email protected]> Cc: Davidlohr Bueso <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
ambv · Jul 12, 2017 · 5ccc8fb · 5ccc8fb
1 parent 9ef5932
commit 5ccc8fb
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diff --git a/ipc/util.c b/ipc/util.c
@@ -429,13 +429,6 @@ void ipc_rcu_putref(struct kern_ipc_perm *ptr,
 	call_rcu(&ptr->rcu, func);
 }
 
-void ipc_rcu_free(struct rcu_head *h)
-{
-	struct kern_ipc_perm *ptr = container_of(h, struct kern_ipc_perm, rcu);
-
-	kvfree(ptr);
-}
-
 /**
  * ipcperms - check ipc permissions
  * @ns: ipc namespace

diff --git a/ipc/util.h b/ipc/util.h
@@ -119,7 +119,6 @@ struct kern_ipc_perm *ipc_rcu_alloc(int size);
 int ipc_rcu_getref(struct kern_ipc_perm *ptr);
 void ipc_rcu_putref(struct kern_ipc_perm *ptr,
 			void (*func)(struct rcu_head *head));
-void ipc_rcu_free(struct rcu_head *h);
 
 struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int);
 struct kern_ipc_perm *ipc_obtain_object_idr(struct ipc_ids *ids, int id);