linux-kernel - Re: [PATCH 4/4] fix not-and/or errors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20071017143555.GI8181@ftp.linux.org.uk>
Date:	Wed, 17 Oct 2007 15:35:55 +0100
From:	Al Viro <viro@....linux.org.uk>
To:	Roel Kluin <12o3l@...cali.nl>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] fix not-and/or errors

On Wed, Oct 17, 2007 at 03:55:29PM +0200, Roel Kluin wrote:
>     if(!x & y) should either be if(!(x & y)) or if(!x && y)
>     I made changes as seemed appropriate, but please review
>     
>     Signed-off-by: Roel Kluin <12o3l@...cali.nl>
> ---
> diff --git a/arch/arm/mach-pxa/mfp.c b/arch/arm/mach-pxa/mfp.c
> index 5cd3cad..7229319 100644
> --- a/arch/arm/mach-pxa/mfp.c
> +++ b/arch/arm/mach-pxa/mfp.c
> @@ -199,7 +199,7 @@ void pxa3xx_mfp_set_edge(int mfp, int edge)
>  
>  	mfpr_val &= ~MFPR_EDGE_MASK;
>  	mfpr_val |= (edge & 0x3u) << MFPR_ERE_OFFSET;
> -	mfpr_val |= (!edge & 0x1) << MFPR_EC_OFFSET;
> +	mfpr_val |= (!(edge & 0x1)) << MFPR_EC_OFFSET;
>  
>  	mfpr_writel(mfpr_off, mfpr_val);
>  	mfpr_sync();

ACK

> diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
> index 958bac1..e8f9c85 100644
> --- a/arch/sh/drivers/dma/dma-sh.c
> +++ b/arch/sh/drivers/dma/dma-sh.c
> @@ -89,7 +89,7 @@ static irqreturn_t dma_tei(int irq, void *dev_id)
>  
>  static int sh_dmac_request_dma(struct dma_channel *chan)
>  {
> -	if (unlikely(!chan->flags & DMA_TEI_CAPABLE))
> +	if (unlikely(!(chan->flags & DMA_TEI_CAPABLE)))
>  		return 0;
>  
>  	return request_irq(get_dmte_irq(chan->chan), dma_tei,

ACK

> --- a/drivers/acpi/asus_acpi.c
> +++ b/drivers/acpi/asus_acpi.c
> @@ -596,7 +596,7 @@ write_led(const char __user * buffer, unsigned long count,
>  	    (led_out) ? (hotk->status | ledmask) : (hotk->status & ~ledmask);
>  
>  	if (invert)		/* invert target value */
> -		led_out = !led_out & 0x1;
> +		led_out = !(led_out & 0x1);

No, simply !led_out

> +		if ((!battery->flags.battery_present_prev && acpi_battery_present(battery))
> +		    || (battery->flags.battery_present_prev && !acpi_battery_present(battery))) {

ITYM != and you've missed another one like that in the same file.

The rest is covered by earlier patches
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/