linux-kernel - Re: [PATCH] soc: aspeed: lpc: Fix impossible judgment condition

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Date:   Fri, 27 Oct 2023 07:38:19 +0300
From:   Dan Carpenter <dan.carpenter@...aro.org>
To:     Su Hui <suhui@...china.com>
Cc:     joel@....id.au, andrew@...econstruct.com.au, robh@...nel.org,
        arnd@...db.de, gregkh@...uxfoundation.org, roblip@...il.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] soc: aspeed: lpc: Fix impossible judgment condition

On Fri, Oct 27, 2023 at 10:07:04AM +0800, Su Hui wrote:
> smatch error：
> drivers/soc/aspeed/aspeed-lpc-snoop.c:169
> aspeed_lpc_snoop_config_irq() warn: platform_get_irq() does not return zero
> 
> platform_get_irq() return non-zero IRQ number or negative error code,
> change '!lpc_snoop->irq' to 'lpc_snoop->irq < 0' to fix this.
> 
> Fixes: 9f4f9ae81d0a ("drivers/misc: add Aspeed LPC snoop driver")
> Signed-off-by: Su Hui <suhui@...china.com>

Reviewed-by: Dan Carpenter <dan.carpenter@...aro.org>

regards,
dan carpenter