hfsplus: fix potential overflow in hfsplus_file_truncate()

commit 12f267a20aecf8b84a2a9069b9011f1661c779b4 upstream.

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index eba76eab6d625f68aadcba26f04c001040b244c2..fc8ddc1ecd555b4b0721f98bf7cde06a95b339c4 100644 (file)
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -533,7 +533,7 @@ 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,