linux-kernel - Re: [PATCH][next] ipmi: kcs_bmc_aspeed: Fix less than zero comparison of a unsigned int

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Date:   Thu, 17 Jun 2021 08:33:38 +0930
From:   "Andrew Jeffery" <andrew@...id.au>
To:     "Colin King" <colin.king@...onical.com>,
        "Corey Minyard" <minyard@....org>, "Joel Stanley" <joel@....id.au>,
        openipmi-developer@...ts.sourceforge.net,
        linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] ipmi: kcs_bmc_aspeed: Fix less than zero comparison of a unsigned int



On Thu, 17 Jun 2021, at 01:59, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The comparisons of the unsigned int hw_type to less than zero always
> false because it is unsigned. Fix this by using an int for the
> assignment and less than zero check.
> 

> Addresses-Coverity: ("Unsigned compared against 0")
> Fixes: 9d2df9a0ad80 ("ipmi: kcs_bmc_aspeed: Implement KCS SerIRQ configuration")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Thanks for catching that.

Andrew