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Date:   Wed, 08 May 2019 13:58:08 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH] net: dsa: sja1105: Don't return a negative in u8

From: Vladimir Oltean <>
Date: Wed,  8 May 2019 23:32:25 +0300

> Dan Carpenter says:
> The patch 640f763f98c2: "net: dsa: sja1105: Add support for Spanning
> Tree Protocol" from May 5, 2019, leads to the following static
> checker warning:
>         drivers/net/dsa/sja1105/sja1105_main.c:1073 sja1105_stp_state_get()
>         warn: signedness bug returning '(-22)'
> The caller doesn't check for negative errors anyway.
> Fixes: 640f763f98c2: ("net: dsa: sja1105: Add support for Spanning Tree Protocol")
> Reported-by: Dan Carpenter <>
> Signed-off-by: Vladimir Oltean <>


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