Messages in this thread Patch in this message | | | From | Monam Agarwal <> | Subject | [PATCH] fs: Use RCU_INIT_POINTER(x, NULL) in afs/inode.c | Date | Mon, 24 Mar 2014 00:10:44 +0530 |
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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@gmail.com> --- fs/afs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/afs/inode.c b/fs/afs/inode.c index ce25d75..7c09dfe 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -445,7 +445,7 @@ void afs_evict_inode(struct inode *inode) mutex_lock(&vnode->permits_lock); permits = vnode->permits; - rcu_assign_pointer(vnode->permits, NULL); + RCU_INIT_POINTER(vnode->permits, NULL); mutex_unlock(&vnode->permits_lock); if (permits) call_rcu(&permits->rcu, afs_zap_permits); -- 1.7.9.5
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