nfs: remove unnecessary (void*) conversions.

remove unnecessary void* type castings.
Signed-off-by: yuzhe <yuzhe@nfschina.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

fs/nfs/inode.c

@@ -318,7 +318,7 @@ struct nfs_find_desc {
 static int
 nfs_find_actor(struct inode *inode, void *opaque)
 {
-	struct nfs_find_desc	*desc = (struct nfs_find_desc *)opaque;
+	struct nfs_find_desc	*desc = opaque;
 	struct nfs_fh		*fh = desc->fh;
 	struct nfs_fattr	*fattr = desc->fattr;
 
@@ -336,7 +336,7 @@ nfs_find_actor(struct inode *inode, void *opaque)
 static int
 nfs_init_locked(struct inode *inode, void *opaque)
 {
-	struct nfs_find_desc	*desc = (struct nfs_find_desc *)opaque;
+	struct nfs_find_desc	*desc = opaque;
 	struct nfs_fattr	*fattr = desc->fattr;
 
 	set_nfs_fileid(inode, fattr->fileid);
@@ -2271,7 +2271,7 @@ static inline void nfs4_init_once(struct nfs_inode *nfsi)
 
 static void init_once(void *foo)
 {
-	struct nfs_inode *nfsi = (struct nfs_inode *) foo;
+	struct nfs_inode *nfsi = foo;
 
 	inode_init_once(&nfsi->vfs_inode);
 	INIT_LIST_HEAD(&nfsi->open_files);

fs/nfs/nfs42xattr.c

@@ -981,7 +981,7 @@ nfs4_xattr_entry_count(struct shrinker *shrink, struct shrink_control *sc)
 
 static void nfs4_xattr_cache_init_once(void *p)
 {
-	struct nfs4_xattr_cache *cache = (struct nfs4_xattr_cache *)p;
+	struct nfs4_xattr_cache *cache = p;
 
 	spin_lock_init(&cache->listxattr_lock);
 	atomic_long_set(&cache->nent, 0);

fs/nfs/nfs4idmap.c

@@ -583,7 +583,7 @@ static int nfs_idmap_legacy_upcall(struct key *authkey, void *aux)
 	struct request_key_auth *rka = get_request_key_auth(authkey);
 	struct rpc_pipe_msg *msg;
 	struct idmap_msg *im;
-	struct idmap *idmap = (struct idmap *)aux;
+	struct idmap *idmap = aux;
 	struct key *key = rka->target_key;
 	int ret = -ENOKEY;
 

fs/nfs/nfs4proc.c

@@ -6607,7 +6607,7 @@ static void nfs4_delegreturn_prepare(struct rpc_task *task, void *data)
 	struct nfs4_delegreturndata *d_data;
 	struct pnfs_layout_hdr *lo;
 
-	d_data = (struct nfs4_delegreturndata *)data;
+	d_data = data;
 
 	if (!d_data->lr.roc && nfs4_wait_on_layoutreturn(d_data->inode, task)) {
 		nfs4_sequence_done(task, &d_data->res.seq_res);
@@ -8900,7 +8900,7 @@ int nfs4_proc_exchange_id(struct nfs_client *clp, const struct cred *cred)
 void nfs4_test_session_trunk(struct rpc_clnt *clnt, struct rpc_xprt *xprt,
 			    void *data)
 {
-	struct nfs4_add_xprt_data *adata = (struct nfs4_add_xprt_data *)data;
+	struct nfs4_add_xprt_data *adata = data;
 	struct rpc_task *task;
 	int status;