linux-kernel - Re: [PATCH] Bluetooth: Remove redundant check on status

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Message-Id: <CDC45F66-4637-4038-ACB7-43DAA9E6A3B6@holtmann.org>
Date:   Sun, 14 Oct 2018 10:33:34 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Colin King <colin.king@...onical.com>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: Remove redundant check on status

Hi Colin,

> The check on statis is redundant as a status has to be zero at
> the point it is being checked because of a previous check and return
> path via label 'unlock'.  Remove the redundant check and the deadcode
> that can never be reached.
> 
> Detected by CoverityScan, CID#1471710 ("Logically dead code")
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
> net/bluetooth/hci_event.c | 38 +++++++++++++++++---------------------
> 1 file changed, 17 insertions(+), 21 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel