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Date:   Sat, 18 May 2019 18:56:20 -0700
From:   Kees Cook <keescook@chromium.org>
To:     Weitao Hou <houweitaoo@gmail.com>
Cc:     mcgrof@kernel.org, linux-kernel@vger.kernel.org,
        linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] kernel: fix typos and some coding style in comments
Message-ID: <201905181855.91DE502D@keescook>
References: <20190518101628.14633-1-houweitaoo@gmail.com>
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On Sat, May 18, 2019 at 06:16:28PM +0800, Weitao Hou wrote:
> fix lenght to length

Can you please fix all the instances of this in the tree?

$ git grep lenght | grep -v spelling.txt
Documentation/devicetree/bindings/usb/s3c2410-usb.txt: - reg: address and lenght of the controller memory mapped region
drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c:   * length, need to update lenght of it and the last packet.
kernel/sysctl.c: *      passed the max lenght will be ignored. Multiple writes will append
sound/soc/qcom/qdsp6/q6asm.c: * @len: lenght in bytes

> Signed-off-by: Weitao Hou <houweitaoo@gmail.com>
> ---
>  kernel/sysctl.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/kernel/sysctl.c b/kernel/sysctl.c
> index 943c89178e3d..0736a1d580df 100644
> --- a/kernel/sysctl.c
> +++ b/kernel/sysctl.c
> @@ -187,17 +187,17 @@ extern int no_unaligned_warning;
>   * enum sysctl_writes_mode - supported sysctl write modes
>   *
>   * @SYSCTL_WRITES_LEGACY: each write syscall must fully contain the sysctl value
> - * 	to be written, and multiple writes on the same sysctl file descriptor
> - * 	will rewrite the sysctl value, regardless of file position. No warning
> - * 	is issued when the initial position is not 0.
> + * to be written, and multiple writes on the same sysctl file descriptor
> + * will rewrite the sysctl value, regardless of file position. No warning
> + * is issued when the initial position is not 0.
>   * @SYSCTL_WRITES_WARN: same as above but warn when the initial file position is
> - * 	not 0.
> + * not 0.
>   * @SYSCTL_WRITES_STRICT: writes to numeric sysctl entries must always be at
> - * 	file position 0 and the value must be fully contained in the buffer
> - * 	sent to the write syscall. If dealing with strings respect the file
> - * 	position, but restrict this to the max length of the buffer, anything
> - * 	passed the max lenght will be ignored. Multiple writes will append
> - * 	to the buffer.
> + * file position 0 and the value must be fully contained in the buffer
> + * sent to the write syscall. If dealing with strings respect the file
> + * position, but restrict this to the max length of the buffer, anything
> + * passed the max length will be ignored. Multiple writes will append
> + * to the buffer.

Also, why the reflow? It looks like these should stay indented...

>   *
>   * These write modes control how current file position affects the behavior of
>   * updating sysctl values through the proc interface on each write.
> -- 
> 2.18.0
> 

Besides that, thanks for noticing and sending a patch!

-- 
Kees Cook