NFS: Clean up fs/nfs/idmap.c

Clean up white space damage and use standard kernel coding conventions for
return statements.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

fs/nfs/idmap.c

@@ -115,7 +115,8 @@ nfs_idmap_new(struct nfs_client *clp)
 
 	BUG_ON(clp->cl_idmap != NULL);
 
-        if ((idmap = kzalloc(sizeof(*idmap), GFP_KERNEL)) == NULL)
+	idmap = kzalloc(sizeof(*idmap), GFP_KERNEL);
+	if (idmap == NULL)
 		return -ENOMEM;
 
 	idmap->idmap_dentry = rpc_mkpipe(clp->cl_rpcclient->cl_dentry, "idmap",
@@ -285,7 +286,7 @@ nfs_idmap_id(struct idmap *idmap, struct idmap_hashtable *h,
 	memset(im, 0, sizeof(*im));
 	mutex_unlock(&idmap->idmap_im_lock);
 	mutex_unlock(&idmap->idmap_lock);
-	return (ret);
+	return ret;
 }
 
 /*
@@ -386,10 +387,10 @@ idmap_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
 	int ret;
 
 	if (mlen != sizeof(im_in))
-                return (-ENOSPC);
+		return -ENOSPC;
 
 	if (copy_from_user(&im_in, src, mlen) != 0)
-		return (-EFAULT);
+		return -EFAULT;
 
 	mutex_lock(&idmap->idmap_im_lock);
 
@@ -487,7 +488,7 @@ static unsigned int fnvhash32(const void *buf, size_t buflen)
 		hash ^= (unsigned int)*p;
 	}
 
-	return (hash);
+	return hash;
 }
 
 int nfs_map_name_to_uid(struct nfs_client *clp, const char *name, size_t namelen, __u32 *uid)