From: Sage Weil <sage@newdream.net>
Date: Thu, 3 Sep 2009 20:38:21 +0000 (-0700)
Subject: kclient: fix unzeroed pages after readpage
X-Git-Tag: v0.14~46
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f8b8069cf493feb6ce4390d18fd4d4ca7869748f;p=ceph.git

kclient: fix unzeroed pages after readpage

This was a signed/unsigned comparison problem.  No compiler
warning? :(
---

diff --git a/src/kernel/addr.c b/src/kernel/addr.c
index a5dd43abc374..6f802daeecdd 100644
--- a/src/kernel/addr.c
+++ b/src/kernel/addr.c
@@ -311,7 +311,7 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
 
 		list_del(&page->lru);
 
-		if (rc < PAGE_CACHE_SIZE) {
+		if (rc < (int)PAGE_CACHE_SIZE) {
 			/* zero (remainder of) page */
 			int s = rc < 0 ? 0 : rc;
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)