From 0f33aa4d3ef16f413f1a3e0ee5baf64446d248b4 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Fri, 14 Aug 2009 14:31:30 -0700
Subject: [PATCH] kclient: zero page on ->readpage() ENOENT

---
 src/kernel/addr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/kernel/addr.c b/src/kernel/addr.c
index d5b523147cc..e0fe3f445e4 100644
--- a/src/kernel/addr.c
+++ b/src/kernel/addr.c
@@ -208,7 +208,9 @@ static int readpage_nounlock(struct file *filp, struct page *page)
 				  page->index << PAGE_CACHE_SHIFT, &len,
 				  ci->i_truncate_seq, ci->i_truncate_size,
 				  &page, 1);
-	if (unlikely(err < 0)) {
+	if (err == -ENOENT)
+		err = 0;
+	if (err < 0) {
 		SetPageError(page);
 		goto out;
 	} else if (err < PAGE_CACHE_SIZE) {