From: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>
To: Tiezhu Yang <yangtiezhu-cXZgJK919ebM1kAEIRd3EQ@public.gmane.org>
Cc: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
linux-spi <linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 2/4] spi: spidev_test: Check input_tx and input_file first after parse options
Date: Thu, 13 Feb 2020 09:26:19 +0100 [thread overview]
Message-ID: <CAMuHMdXi4ieMvZY1J8RjuOeR+vKrTmASq-40MK27xutZPv4deQ@mail.gmail.com> (raw)
In-Reply-To: <1581567368-8055-2-git-send-email-yangtiezhu-cXZgJK919ebM1kAEIRd3EQ@public.gmane.org>
Hi Tiezhu,
On Thu, Feb 13, 2020 at 5:17 AM Tiezhu Yang <yangtiezhu-cXZgJK919ebM1kAEIRd3EQ@public.gmane.org> wrote:
> It is better to check input_tx and input_file first after parse options.
> Otherwise, it will do some useless operations when both -p and --input
> are selected.
>
> Signed-off-by: Tiezhu Yang <yangtiezhu-cXZgJK919ebM1kAEIRd3EQ@public.gmane.org>
Thanks for your patch!
Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
> --- a/tools/spi/spidev_test.c
> +++ b/tools/spi/spidev_test.c
> @@ -404,6 +404,9 @@ int main(int argc, char *argv[])
>
> parse_opts(argc, argv);
>
> + if (input_tx && input_file)
> + pabort("only one of -p and --input may be selected");
> +
Alternatively, this check could be moved to the end of parse_opts().
> fd = open(device, O_RDWR);
> if (fd < 0)
> pabort("can't open device");
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2020-02-13 8:26 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-13 4:16 [PATCH 1/4] spi: spidev_test: Remove break after exit statement Tiezhu Yang
2020-02-13 4:16 ` [PATCH 2/4] spi: spidev_test: Check input_tx and input_file first after parse options Tiezhu Yang
[not found] ` <1581567368-8055-2-git-send-email-yangtiezhu-cXZgJK919ebM1kAEIRd3EQ@public.gmane.org>
2020-02-13 8:26 ` Geert Uytterhoeven [this message]
2020-02-13 13:32 ` Applied "spi: spidev_test: Check input_tx and input_file first after parse options" to the spi tree Mark Brown
2020-02-13 4:16 ` [PATCH 3/4] spi: spidev_test: Use perror() only if errno is not 0 Tiezhu Yang
[not found] ` <1581567368-8055-3-git-send-email-yangtiezhu-cXZgJK919ebM1kAEIRd3EQ@public.gmane.org>
2020-02-13 8:27 ` Geert Uytterhoeven
2020-02-13 13:32 ` Applied "spi: spidev_test: Use perror() only if errno is not 0" to the spi tree Mark Brown
[not found] ` <1581567368-8055-1-git-send-email-yangtiezhu-cXZgJK919ebM1kAEIRd3EQ@public.gmane.org>
2020-02-13 4:16 ` [PATCH 4/4] spi: spidev_test: Remove the whole "include" directory when make clean Tiezhu Yang
[not found] ` <1581567368-8055-4-git-send-email-yangtiezhu-cXZgJK919ebM1kAEIRd3EQ@public.gmane.org>
2020-02-13 13:32 ` Applied "spi: spidev_test: Remove the whole "include" directory when make clean" to the spi tree Mark Brown
2020-02-13 8:23 ` [PATCH 1/4] spi: spidev_test: Remove break after exit statement Geert Uytterhoeven
2020-02-13 13:32 ` Applied "spi: spidev_test: Remove break after exit statement" to the spi tree Mark Brown
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