diff --git a/kernel/relay.c b/kernel/relay.c
index 5a56d3c..e9dbaeb 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -407,7 +407,7 @@
 					struct dentry *dentry)
 {
 	buf->dentry = dentry;
-	buf->dentry->d_inode->i_size = buf->early_bytes;
+	d_inode(buf->dentry)->i_size = buf->early_bytes;
 }
 
 static struct dentry *relay_create_buf_file(struct rchan *chan,
@@ -733,7 +733,7 @@
 		buf->padding[old_subbuf] = buf->prev_padding;
 		buf->subbufs_produced++;
 		if (buf->dentry)
-			buf->dentry->d_inode->i_size +=
+			d_inode(buf->dentry)->i_size +=
 				buf->chan->subbuf_size -
 				buf->padding[old_subbuf];
 		else