From: Jiri Slaby <jirislaby@gmail.com>
To: Kulikov Vasiliy <segooon@gmail.com>
Cc: kernel-janitors@vger.kernel.org,
Greg Kroah-Hartman <gregkh@suse.de>,
Alan Cox <alan@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Tejun Heo <tj@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] char: mxser: remove unnesesary NULL check
Date: Fri, 23 Jul 2010 19:18:51 +0000 [thread overview]
Message-ID: <4C49EB1B.1030700@gmail.com> (raw)
In-Reply-To: <1279902893-27006-1-git-send-email-segooon@gmail.com>
On 07/23/2010 06:34 PM, Kulikov Vasiliy wrote:
> mxser_transmit_chars(tty, port) is called only from mxser_interrupt().
> NULL check is performed in mxser_interrupt() so it is redundant here.
>
> Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
> ---
> drivers/char/mxser.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
> index d2692d4..3fc89da 100644
> --- a/drivers/char/mxser.c
> +++ b/drivers/char/mxser.c
> @@ -2193,7 +2193,7 @@ static void mxser_transmit_chars(struct tty_struct *tty, struct mxser_port *port
> port->mon_data.up_txcnt += (cnt - port->xmit_cnt);
> port->icount.tx += (cnt - port->xmit_cnt);
>
> - if (port->xmit_cnt < WAKEUP_CHARS && tty)
> + if (port->xmit_cnt < WAKEUP_CHARS)
> tty_wakeup(tty);
>
> if (port->xmit_cnt <= 0) {
--
js
WARNING: multiple messages have this Message-ID (diff)
From: Jiri Slaby <jirislaby@gmail.com>
To: Kulikov Vasiliy <segooon@gmail.com>
Cc: kernel-janitors@vger.kernel.org,
Greg Kroah-Hartman <gregkh@suse.de>,
Alan Cox <alan@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Tejun Heo <tj@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] char: mxser: remove unnesesary NULL check
Date: Fri, 23 Jul 2010 21:18:51 +0200 [thread overview]
Message-ID: <4C49EB1B.1030700@gmail.com> (raw)
In-Reply-To: <1279902893-27006-1-git-send-email-segooon@gmail.com>
On 07/23/2010 06:34 PM, Kulikov Vasiliy wrote:
> mxser_transmit_chars(tty, port) is called only from mxser_interrupt().
> NULL check is performed in mxser_interrupt() so it is redundant here.
>
> Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
> ---
> drivers/char/mxser.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
> index d2692d4..3fc89da 100644
> --- a/drivers/char/mxser.c
> +++ b/drivers/char/mxser.c
> @@ -2193,7 +2193,7 @@ static void mxser_transmit_chars(struct tty_struct *tty, struct mxser_port *port
> port->mon_data.up_txcnt += (cnt - port->xmit_cnt);
> port->icount.tx += (cnt - port->xmit_cnt);
>
> - if (port->xmit_cnt < WAKEUP_CHARS && tty)
> + if (port->xmit_cnt < WAKEUP_CHARS)
> tty_wakeup(tty);
>
> if (port->xmit_cnt <= 0) {
--
js
next prev parent reply other threads:[~2010-07-23 19:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-23 16:34 [PATCH] char: mxser: remove unnesesary NULL check Kulikov Vasiliy
2010-07-23 16:34 ` Kulikov Vasiliy
2010-07-23 19:18 ` Jiri Slaby [this message]
2010-07-23 19:18 ` Jiri Slaby
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