From: Alexander Sverdlin <alexander.sverdlin@gmail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>,
Vignesh Raghavendra <vigneshr@ti.com>,
Johan Hovold <johan@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
linux-serial@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] serial: 8250_omap: fix a timeout loop condition
Date: Thu, 29 Apr 2021 11:23:50 +0200 [thread overview]
Message-ID: <960e9d26-8840-d6b6-b368-0ca79fc52544@gmail.com> (raw)
In-Reply-To: <YIpd+kOpXKMpEXPf@mwanda>
Hello Dan!
On 29/04/2021 09:19, Dan Carpenter wrote:
> This loop ends on -1 so the error message will never be printed.
>
> Fixes: 4bcf59a5dea0 ("serial: 8250: 8250_omap: Account for data in flight during DMA teardown")
Looks good to me!
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
> drivers/tty/serial/8250/8250_omap.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
> index 8ac11eaeca51..c06631ced414 100644
> --- a/drivers/tty/serial/8250/8250_omap.c
> +++ b/drivers/tty/serial/8250/8250_omap.c
> @@ -813,7 +813,7 @@ static void __dma_rx_do_complete(struct uart_8250_port *p)
> poll_count--)
> cpu_relax();
>
> - if (!poll_count)
> + if (poll_count == -1)
> dev_err(p->port.dev, "teardown incomplete\n");
> }
> }
next prev parent reply other threads:[~2021-04-29 9:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-29 7:19 [PATCH] serial: 8250_omap: fix a timeout loop condition Dan Carpenter
2021-04-29 9:23 ` Alexander Sverdlin [this message]
2021-04-29 11:08 ` Andy Shevchenko
2021-04-29 13:02 ` Dan Carpenter
2021-04-30 8:46 ` Andy Shevchenko
2021-04-30 8:47 ` Andy Shevchenko
2021-04-30 11:41 ` Dan Carpenter
2021-04-30 12:53 ` Andy Shevchenko
2021-04-30 13:33 ` Dan Carpenter
2021-04-30 14:21 ` Andy Shevchenko
2021-05-03 6:54 ` Dan Carpenter
2021-05-03 9:51 ` Andy Shevchenko
2021-05-14 8:00 ` Dan Carpenter
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