linux-kernel - Re: [PATCH v3] mailbox: mediatek: Fix handling of platform_get

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Message-ID: <20201002163000.GA6464@kozik-lap>
Date:   Fri, 2 Oct 2020 18:30:00 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Jassi Brar <jassisinghbrar@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        CK Hu <ck.hu@...iatek.com>, HS Liao <hs.liao@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>
Subject: Re: [PATCH v3] mailbox: mediatek: Fix handling of platform_get_irq()
 error

On Thu, Aug 27, 2020 at 08:25:07PM +0200, Krzysztof Kozlowski wrote:
> platform_get_irq() returns -ERRNO on error.  In such case casting to u32
> and comparing to 0 would pass the check.
> 
> Fixes: 623a6143a845 ("mailbox: mediatek: Add Mediatek CMDQ driver")
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> 
> ---
> 
> Changes since v2:
> 1. Fix subject.
> 
> Changes since v1:
> 1. Correct u32->int,
> 2. Fix left-over '!'.
> ---
>  drivers/mailbox/mtk-cmdq-mailbox.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)

Any comments here? This is a bugfix.

Best regards,
Krzysztof