From 35274b3eb3db9321682f0856655236ba173c06c2 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Wed, 21 Nov 2007 14:55:19 -0800
Subject: [PATCH] --- yaml --- r: 74308 b: refs/heads/master c:
 8118a859dc7abd873193986c77a8d9bdb877adc8 h: refs/heads/master v: v3

---
 [refs]                | 2 +-
 trunk/fs/sysfs/file.c | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index d0e96a5927b7..a7d5c2a5f095 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 71409a498e96a421bdc20e7275ebc4fab8b14cdc
+refs/heads/master: 8118a859dc7abd873193986c77a8d9bdb877adc8
diff --git a/trunk/fs/sysfs/file.c b/trunk/fs/sysfs/file.c
index 27d1785b7644..4045bdcc4b33 100644
--- a/trunk/fs/sysfs/file.c
+++ b/trunk/fs/sysfs/file.c
@@ -119,7 +119,11 @@ static int fill_read_buffer(struct dentry * dentry, struct sysfs_buffer * buffer
 
 	sysfs_put_active_two(attr_sd);
 
-	BUG_ON(count > (ssize_t)PAGE_SIZE);
+	/*
+	 * The code works fine with PAGE_SIZE return but it's likely to
+	 * indicate truncated result or overflow in normal use cases.
+	 */
+	BUG_ON(count >= (ssize_t)PAGE_SIZE);
 	if (count >= 0) {
 		buffer->needs_read_fill = 0;
 		buffer->count = count;