linux-kernel - Re: [PATCH] Bluetooth: hci

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Message-Id: <6210F403-8749-45E1-9319-BEB911EBD096@holtmann.org>
Date:   Thu, 6 Jan 2022 14:53:16 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Jiasheng Jiang <jiasheng@...as.ac.cn>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: hci_bcm: Check for error irq

Hi Jiasheng,

> For the possible failure of the platform_get_irq(), the returned irq
> could be error number and will finally cause the failure of the
> request_irq().
> Consider that platform_get_irq() can now in certain cases return
> -EPROBE_DEFER, and the consequences of letting request_irq() effectively
> convert that into -EINVAL, even at probe time rather than later on.
> So it might be better to check just now.
> 
> Fixes: 0395ffc1ee05 ("Bluetooth: hci_bcm: Add PM for BCM devices")
> Signed-off-by: Jiasheng Jiang <jiasheng@...as.ac.cn>
> ---
> drivers/bluetooth/hci_bcm.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel