[066/126] hfsplus: fix potential overflow in hfsplus_file_truncate()

Steven Rostedt
2013-05-07T04:29:48Z

[-- Attachment #1: 0066-hfsplus-fix-potential-overflow-in-hfsplus_file_trunc.patch --]
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3.6.11.3 stable review patch.
If anyone has any objections, please let me know.

------------------

From: Vyacheslav Dubeyko <slava@dubeyko.com>

[ Upstream commit 12f267a20aecf8b84a2a9069b9011f1661c779b4 ]

Change a u32 to loff_t hfsplus_file_truncate().

Signed-off-by: Vyacheslav Dubeyko <slava@dubeyko.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
fs/hfsplus/extents.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 5849e3e..32b12e5 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -517,7 +517,7 @@ void hfsplus_file_truncate(struct inode *inode)
struct address_space *mapping = inode->i_mapping;
struct page *page;
void *fsdata;
- u32 size = inode->i_size;
+ loff_t size = inode->i_size;

res = pagecache_write_begin(NULL, mapping, size, 0,
AOP_FLAG_UNINTERRUPTIBLE,
--
1.7.10.4