On Tue, Apr 17, 2012 at 12:07:09PM -0400, Paul Gortmaker wrote:
> Commit 86b26007a37d81e7aca242bb5b649473f8f81297 (tty-next)
>
> "TTY: con3215, use tty from tty_port"
>
> removed the tty struct from the raw struct, causing:
>
> CC drivers/s390/char/con3215.o
> drivers/s390/char/con3215.c: In function 'raw3215_wakeup':
> drivers/s390/char/con3215.c:339:16: error: 'struct raw3215_info' has no member named 'tty'
> make[2]: *** [drivers/s390/char/con3215.o] Error 1
...
> diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
> index e928e04..759c43c 100644
> --- a/drivers/s390/char/con3215.c
> +++ b/drivers/s390/char/con3215.c
> @@ -336,7 +336,13 @@ static inline void raw3215_try_io(struct raw3215_info *raw)
> static void raw3215_wakeup(unsigned long data)
> {
> struct raw3215_info *raw = (struct raw3215_info *) data;
> - tty_wakeup(raw->tty);
> + struct tty_struct *tty = tty_port_tty_get(&raw->port);
> +
> + if (tty == NULL)
> + return;
> +
> + tty_wakeup(tty);
> + tty_kref_put(tty);
Yep, I posted a similar patch earlier:
http://marc.info/?l=linux-next&m=133466152209052&w=2
The NULL check is not necessary, because "it cannot happen" ;)
Thanks,
Heiko
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