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From: John Wood <john.wood@gmx.com>
To: Felix Fietkau <nbd@nbd.name>,
	Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>,
	Ryder Lee <ryder.lee@mediatek.com>
Cc: John Wood <john.wood@gmx.com>, Kalle Valo <kvalo@codeaurora.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Shayne Chen <shayne.chen@mediatek.com>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mt76/mt7915: Fix unsigned compared against zero
Date: Sat, 26 Jun 2021 16:30:10 +0200	[thread overview]
Message-ID: <20210626143010.GA2936@ubuntu> (raw)
In-Reply-To: <20210612143505.7637-1-john.wood@gmx.com>

On Sat, Jun 12, 2021 at 04:35:05PM +0200, John Wood wrote:
> The mt7915_dpd_freq_idx() function can return a negative value but this
> value is assigned to an unsigned variable named idx. Then, the code
> tests if this variable is less than zero. This can never happen with an
> unsigned type.
>
> So, change the idx type to a signed one.
>
> Addresses-Coverity-ID: 1484753 ("Unsigned compared against 0")
> Fixes: 495184ac91bb8 ("mt76: mt7915: add support for applying pre-calibration data")

Has anyone had time to review this patch?. Any comment on this?

Thanks,
John Wood

WARNING: multiple messages have this Message-ID (diff)
From: John Wood <john.wood@gmx.com>
To: Felix Fietkau <nbd@nbd.name>,
	Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>,
	Ryder Lee <ryder.lee@mediatek.com>
Cc: John Wood <john.wood@gmx.com>, Kalle Valo <kvalo@codeaurora.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Shayne Chen <shayne.chen@mediatek.com>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mt76/mt7915: Fix unsigned compared against zero
Date: Sat, 26 Jun 2021 16:30:10 +0200	[thread overview]
Message-ID: <20210626143010.GA2936@ubuntu> (raw)
In-Reply-To: <20210612143505.7637-1-john.wood@gmx.com>

On Sat, Jun 12, 2021 at 04:35:05PM +0200, John Wood wrote:
> The mt7915_dpd_freq_idx() function can return a negative value but this
> value is assigned to an unsigned variable named idx. Then, the code
> tests if this variable is less than zero. This can never happen with an
> unsigned type.
>
> So, change the idx type to a signed one.
>
> Addresses-Coverity-ID: 1484753 ("Unsigned compared against 0")
> Fixes: 495184ac91bb8 ("mt76: mt7915: add support for applying pre-calibration data")

Has anyone had time to review this patch?. Any comment on this?

Thanks,
John Wood

_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

WARNING: multiple messages have this Message-ID (diff)
From: John Wood <john.wood@gmx.com>
To: Felix Fietkau <nbd@nbd.name>,
	Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>,
	Ryder Lee <ryder.lee@mediatek.com>
Cc: John Wood <john.wood@gmx.com>, Kalle Valo <kvalo@codeaurora.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Shayne Chen <shayne.chen@mediatek.com>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mt76/mt7915: Fix unsigned compared against zero
Date: Sat, 26 Jun 2021 16:30:10 +0200	[thread overview]
Message-ID: <20210626143010.GA2936@ubuntu> (raw)
In-Reply-To: <20210612143505.7637-1-john.wood@gmx.com>

On Sat, Jun 12, 2021 at 04:35:05PM +0200, John Wood wrote:
> The mt7915_dpd_freq_idx() function can return a negative value but this
> value is assigned to an unsigned variable named idx. Then, the code
> tests if this variable is less than zero. This can never happen with an
> unsigned type.
>
> So, change the idx type to a signed one.
>
> Addresses-Coverity-ID: 1484753 ("Unsigned compared against 0")
> Fixes: 495184ac91bb8 ("mt76: mt7915: add support for applying pre-calibration data")

Has anyone had time to review this patch?. Any comment on this?

Thanks,
John Wood

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-06-26 14:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-12 14:35 [PATCH] mt76/mt7915: Fix unsigned compared against zero John Wood
2021-06-12 14:35 ` John Wood
2021-06-12 14:35 ` John Wood
2021-06-26 14:30 ` John Wood [this message]
2021-06-26 14:30   ` John Wood
2021-06-26 14:30   ` John Wood

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