linux-kernel - Re: [PATCH 1/1] hidraw: Replace Confusing += Operator with =

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Message-ID: <alpine.LNX.2.00.1101311544120.5725@pobox.suse.cz>
Date:	Mon, 31 Jan 2011 15:44:24 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Alan Ott <alan@...nal11.us>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] hidraw: Replace Confusing += Operator with =

On Wed, 26 Jan 2011, Alan Ott wrote:

> Setting of the return value of hidraw_read() uses the += operator when
> = is more appropriate.  There is no case where ret can be anything
> other than zero when the assignment is made, making = equivalent to
> += and much more clear.
> 
> Signed-off-by: Alan Ott <alan@...nal11.us>
> ---
>  drivers/hid/hidraw.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
> index 468e87b..66fbcba 100644
> --- a/drivers/hid/hidraw.c
> +++ b/drivers/hid/hidraw.c
> @@ -91,7 +91,7 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count,
>  			ret = -EFAULT;
>  			goto out;
>  		}
> -		ret += len;
> +		ret = len;
>  

Applied, thanks.

-- 
Jiri Kosina
SUSE Labs, Novell Inc.
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