public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Tobias Klauser <tklauser@distanz.ch>
To: Dan Carpenter <error27@gmail.com>,
	linux-serial@vger.kernel.org, nios2-dev@sopc.et.ntust.edu.tw,
	linux-kernel@vger.kernel.org
Subject: Re: [RESEND PATCH 2/2] serial: Add driver for the Altera UART
Date: Mon, 1 Mar 2010 09:04:02 +0100	[thread overview]
Message-ID: <20100301080402.GD32296@distanz.ch> (raw)
In-Reply-To: <20100226195022.GF8417@bicker>

On 2010-02-26 at 20:50:22 +0100, Dan Carpenter <error27@gmail.com> wrote:
> A couple smatch complaints.
> 
> drivers/serial/altera_jtaguart.c
>    380          if (co->index >= 0 && co->index <= ALTERA_JTAGUART_MAXPORTS)
>    381                  co->index = 0;
>    382          port = &altera_jtaguart_ports[co->index].port;
> 
> This test seems backward.  co->index == -1 would be a buffer underflow.
> 
> drivers/serial/altera_uart.c
>    455          if ((co->index >= 0)
>    456              && (co->index <= CONFIG_SERIAL_ALTERA_UART_MAXPORTS))
>    457                  co->index = 0;
>    458          port = &altera_uart_ports[co->index].port;
> 
> Same here.

Yep, those look completely wrong. I'll post an updated patch (including
the other changes suggested by Alan and Peter) later on.

Thanks,
Tobias

  reply	other threads:[~2010-03-01  8:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-25 14:35 [PATCH 1/2] serial: Add driver for the Altera JTAG UART Tobias Klauser
2010-02-25 14:35 ` [PATCH 2/2] serial: Add driver for the Altera UART Tobias Klauser
2010-02-25 14:47 ` [RESEND PATCH " Tobias Klauser
2010-02-26 19:50   ` Dan Carpenter
2010-03-01  8:04     ` Tobias Klauser [this message]
2010-02-25 15:26 ` [PATCH 1/2] serial: Add driver for the Altera JTAG UART Alan Cox
2010-02-26  9:04   ` Tobias Klauser
2010-02-26 11:27     ` Alan Cox
2010-02-25 16:45 ` Peter Korsgaard
2010-02-26  9:06   ` Tobias Klauser

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20100301080402.GD32296@distanz.ch \
    --to=tklauser@distanz.ch \
    --cc=error27@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-serial@vger.kernel.org \
    --cc=nios2-dev@sopc.et.ntust.edu.tw \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox