hfsplus: missing O_LARGEFILE check
Alan Cox [Sun, 19 Oct 2008 03:28:01 +0000 (20:28 -0700)]
hfsplus: O_LARGEFILE checking is missing

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=8490

From: Alan Cox <alan@redhat.com>
Reported-by: didier <did447@gmail.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/hfsplus/inode.c

index b085d64..963be64 100644 (file)
@@ -254,6 +254,8 @@ static int hfsplus_file_open(struct inode *inode, struct file *file)
 {
        if (HFSPLUS_IS_RSRC(inode))
                inode = HFSPLUS_I(inode).rsrc_inode;
+       if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
+               return -EOVERFLOW;
        atomic_inc(&HFSPLUS_I(inode).opencnt);
        return 0;
 }