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From: Larry Finger <Larry.Finger@lwfinger.net>
Newsgroups: linux.kernel
Subject: Re: [PATCH] staging: rtl8712: Fix Comparison with constant warning.
Date: Sat, 06 Feb 2016 16:00:02 +0100
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On 02/06/2016 08:41 AM, Pinkesh Badjatiya wrote:
> Fix Comparisons with constant on the left side of the test.
> Checkpatch.pl warning.
> --
> WARNING: Comparisons should place the constant on the right side of the
> test
> 296: FILE: ./rtl8712_cmd.c:296:
> 	while ((0 != r8712_read32(pAdapter, IOCMD_CTRL_REG)) &&
>
> Signed-off-by: Pinkesh Badjatiya <pinkeshbadjatiya@gmail.com>
> ---
>   drivers/staging/rtl8712/rtl8712_cmd.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

This is another case where the writers of checkpatch are forcing their ideas of 
style on the whole world. The problem is that if I reject your patch, it will be 
submitted by someone else. Thus, reluctantly

Acked-by: Larry Finger <Larry.Finger@lwfinger.net>


>
> diff --git a/drivers/staging/rtl8712/rtl8712_cmd.c b/drivers/staging/rtl8712/rtl8712_cmd.c
> index 9b91609..ce3f7da 100644
> --- a/drivers/staging/rtl8712/rtl8712_cmd.c
> +++ b/drivers/staging/rtl8712/rtl8712_cmd.c
> @@ -293,7 +293,7 @@ u8 r8712_fw_cmd(struct _adapter *pAdapter, u32 cmd)
>
>   	r8712_write32(pAdapter, IOCMD_CTRL_REG, cmd);
>   	msleep(100);
> -	while ((0 != r8712_read32(pAdapter, IOCMD_CTRL_REG)) &&
> +	while ((r8712_read32(pAdapter, IOCMD_CTRL_REG) != 0) &&
>   	       (pollingcnts > 0)) {
>   		pollingcnts--;
>   		msleep(20);
>