Commit df8a09d1 authored by Andreea-Cristina Bernat's avatar Andreea-Cristina Bernat Committed by David Howells

afs: security: Replace rcu_assign_pointer() with RCU_INIT_POINTER()

The use of "rcu_assign_pointer()" is NULLing out the pointer.
According to RCU_INIT_POINTER()'s block comment:
"1.   This use of RCU_INIT_POINTER() is NULLing out the pointer"
it is better to use it instead of rcu_assign_pointer() because it has a
smaller overhead.

The following Coccinelle semantic patch was used:
@@
@@

- rcu_assign_pointer
+ RCU_INIT_POINTER
  (..., NULL)
Signed-off-by: default avatarAndreea-Cristina Bernat <bernat.ada@gmail.com>
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent 1d7e4ebf
...@@ -114,7 +114,7 @@ void afs_clear_permits(struct afs_vnode *vnode) ...@@ -114,7 +114,7 @@ void afs_clear_permits(struct afs_vnode *vnode)
mutex_lock(&vnode->permits_lock); mutex_lock(&vnode->permits_lock);
permits = vnode->permits; permits = vnode->permits;
rcu_assign_pointer(vnode->permits, NULL); RCU_INIT_POINTER(vnode->permits, NULL);
mutex_unlock(&vnode->permits_lock); mutex_unlock(&vnode->permits_lock);
if (permits) if (permits)
......
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