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Date:   Sat, 11 May 2019 15:31:34 +0200
From:   Felix Fietkau <>
To:     Colin King <>, Roy Luo <>,
        Kalle Valo <>,
        "David S . Miller" <>,
        Matthias Brugger <>,,,,
Subject: Re: [PATCH][next] mt76: fix less than zero check on a u8 variable

On 2019-05-05 23:31, Colin King wrote:
> From: Colin Ian King <>
> The signed return from the call to get_omac_idx is being assigned to the
> u8 variable mac_idx and then checked for a negative error condition
> which is always going to be false. Fix this by assigning the return to
> the int variable ret and checking this instead.
> Addresses-Coverity: ("Unsigned compared against 0")
> Fixes: 04b8e65922f6 ("mt76: add mac80211 driver for MT7615 PCIe-based chipsets")
> Signed-off-by: Colin Ian King <>
Already fixed by a similar patch by Dan Carpenter.

- Felix

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