[Devel] Re: linux-cr: v23-rc1 pushed

[Sukadev Bhattiprolu]

Oren Laadan [orenl at cs.columbia.edu] wrote:
| Folks,
| 
| I just pushed out a new v23-rc1 branch of linux-cr. This one is
| rebased to 2.6.37, and contains nearly all the patches pulled
| on v22-dev. I only gave it a brief test drive... feel free to 
| throw all your ammo it.

Oren,

We need the file_tty() helper to get the tty object from the file pointer
(otherwise we will be off by 4 bytes and fail tty_paranoia_check() in
tty_file_checkpoint()).

Thanks,

Sukadev

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index c89f055..6aa458e 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2781,7 +2784,7 @@ static int tty_file_checkpoint(struct ckpt_ctx *ctx, struc
        int master_objref, slave_objref;
        int ret;
 
-       tty = (struct tty_struct *)file->private_data;
+       tty = file_tty(file);
        inode = file->f_path.dentry->d_inode;
        if (tty_paranoia_check(tty, inode, "tty_file_checkpoint"))
                return -EIO;
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