From: Johan Hovold <johan@kernel.org>
To: Mathieu OTHACEHE <m.othacehe@gmail.com>
Cc: johan@kernel.org, gregkh@linuxfoundation.org,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCH v2 04/22] usb: serial: ti_usb_3410_5052: Remove useless NULL-testing
Date: Tue, 23 Aug 2016 10:04:17 +0200 [thread overview]
Message-ID: <20160823080417.GD16896@localhost> (raw)
In-Reply-To: <20160726180002.2398-5-m.othacehe@gmail.com>
On Tue, Jul 26, 2016 at 07:59:44PM +0200, Mathieu OTHACEHE wrote:
> It is useless to check the return of usb_get_serial_port_data.
Please be more specific in your commit messages in general. In this case
it should mention that there's no need to check for NULL private data in
the tty or tty-port callbacks.
> Signed-off-by: Mathieu OTHACEHE <m.othacehe@gmail.com>
> ---
> drivers/usb/serial/ti_usb_3410_5052.c | 34 +---------------------------------
> 1 file changed, 1 insertion(+), 33 deletions(-)
>
> diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
> index b694d69..c8ed3f9 100644
> --- a/drivers/usb/serial/ti_usb_3410_5052.c
> +++ b/drivers/usb/serial/ti_usb_3410_5052.c
> @@ -653,9 +653,6 @@ static int ti_open(struct tty_struct *tty, struct usb_serial_port *port)
> TI_PIPE_TIMEOUT_ENABLE |
> (TI_TRANSFER_TIMEOUT << 2));
>
> - if (tport == NULL)
> - return -ENODEV;
> -
> dev = port->serial->dev;
> tdev = tport->tp_tdev;
>
> @@ -784,8 +781,6 @@ static void ti_close(struct usb_serial_port *port)
>
> tdev = usb_get_serial_data(port->serial);
> tport = usb_get_serial_port_data(port);
> - if (tdev == NULL || tport == NULL)
> - return;
You also forgot to mention that you are removing a check for interface
private data in close().
I fixes this up before applying this time.
Thanks,
Johan
next prev parent reply other threads:[~2016-08-23 8:04 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-26 17:59 [PATCH v2 00/22] usb: serial: ti_usb_3410_5052: clean driver Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 01/22] usb: serial: ti_usb_3410_5052: Do not use __uX types Mathieu OTHACEHE
2016-08-23 7:44 ` Johan Hovold
2016-07-26 17:59 ` [PATCH v2 02/22] usb: serial: ti_usb_3410_5052: Remove useless dev_dbg messages Mathieu OTHACEHE
2016-08-23 7:52 ` Johan Hovold
2016-07-26 17:59 ` [PATCH v2 03/22] usb: serial: ti_usb_3410_5052: Use kzalloc instead of kmalloc Mathieu OTHACEHE
2016-07-27 8:09 ` Oliver Neukum
2016-07-27 12:46 ` Mathieu OTHACEHE
2016-08-23 7:54 ` Johan Hovold
2016-07-27 11:21 ` Sergei Shtylyov
2016-07-26 17:59 ` [PATCH v2 04/22] usb: serial: ti_usb_3410_5052: Remove useless NULL-testing Mathieu OTHACEHE
2016-08-23 8:04 ` Johan Hovold [this message]
2016-07-26 17:59 ` [PATCH v2 05/22] usb: serial: ti_usb_3410_5052: Use C_X macros instead of c_cflag manipulation Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 06/22] usb: serial: ti_usb_3410_5052: Remove unused variables Mathieu OTHACEHE
2016-08-23 8:15 ` Johan Hovold
2016-07-26 17:59 ` [PATCH v2 07/22] usb: serial: ti_usb_3410_5052: Use macros instead of magic values Mathieu OTHACEHE
2016-08-23 8:19 ` Johan Hovold
2016-07-26 17:59 ` [PATCH v2 08/22] usb: serial: ti_usb_3410_5052: Remove in_sync and out_sync functions Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 09/22] usb: serial: ti_usb_3410_5052: Remove useless tty_wakeup Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 10/22] usb: serial: ti_usb_3410_5052: Change ti_write_byte function arguments Mathieu OTHACEHE
2016-07-27 8:13 ` Oliver Neukum
2016-07-27 16:08 ` Mathieu OTHACEHE
2016-07-27 19:10 ` Oliver Neukum
2016-07-26 17:59 ` [PATCH v2 11/22] usb: serial: ti_usb_3410_5052: Do not modify interrupt context Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 12/22] usb: serial: ti_usb_3410_5052: Remove usb_serial pointer in ti_port Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 13/22] usb: serial: ti_usb_3410_5052: Change ti_get/set_serial_info function arguments Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 14/22] usb: serial: ti_usb_3410_5052: Do not set shadow mcr in open callback Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 15/22] usb: serial: ti_usb_3410_5052: Check old_termios parameter in set_termios Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 16/22] usb: serial: ti_usb_3410_5052: Raise DTR and RTS flags if speed is not null anymore Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 17/22] usb: serial: ti_usb_3410_5052: Fix firmware downloading Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 18/22] usb: serial: ti_usb_3410_5052: Standardize debug and error messages Mathieu OTHACEHE
2016-07-26 17:59 ` [PATCH v2 19/22] usb: serial: ti_usb_3410_5052: Use variables for vendor and product Mathieu OTHACEHE
2016-07-26 18:00 ` [PATCH v2 20/22] usb: serial: ti_usb_3410_5052: Set shadow msr before waking up waiters Mathieu OTHACEHE
2016-07-26 18:00 ` [PATCH v2 21/22] usb: serial: ti_usb_3410_5052: Add CMSPAR support Mathieu OTHACEHE
2016-07-26 18:00 ` [PATCH v2 22/22] usb: serial: ti_usb_3410_5052: Fix indentation problems Mathieu OTHACEHE
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