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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Brooke Basile <brookebasile@gmail.com>,
        Bryan ODonoghue <bryan.odonoghue@linaro.org>,
        Felipe Balbi <balbi@kernel.org>,
        Lorenzo Colitti <lorenzo@google.com>,
        Yauheni Kaliuta <yauheni.kaliuta@nokia.com>,
        Linux USB Mailing List <linux-usb@vger.kernel.org>,
        =?UTF-8?q?Maciej=20=C5=BBenczykowski?= <maze@google.com>
Subject: [PATCH 5.4 46/84] USB: f_ncm: ncm_bitrate (speed) is unsigned
Date:   Mon, 14 Jun 2021 12:27:24 +0200
Message-Id: <20210614102647.941385889@linuxfoundation.org>
In-Reply-To: <20210614102646.341387537@linuxfoundation.org>
References: <20210614102646.341387537@linuxfoundation.org>
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From: Maciej Żenczykowski <maze@google.com>

commit 3370139745853f7826895293e8ac3aec1430508e upstream.

[  190.544755] configfs-gadget gadget: notify speed -44967296

This is because 4250000000 - 2**32 is -44967296.

Fixes: 9f6ce4240a2b ("usb: gadget: f_ncm.c added")
Cc: Brooke Basile <brookebasile@gmail.com>
Cc: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Lorenzo Colitti <lorenzo@google.com>
Cc: Yauheni Kaliuta <yauheni.kaliuta@nokia.com>
Cc: Linux USB Mailing List <linux-usb@vger.kernel.org>
Acked-By: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210608005344.3762668-1-zenczykowski@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/gadget/function/f_ncm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -583,7 +583,7 @@ static void ncm_do_notify(struct f_ncm *
 		data[0] = cpu_to_le32(ncm_bitrate(cdev->gadget));
 		data[1] = data[0];
 
-		DBG(cdev, "notify speed %d\n", ncm_bitrate(cdev->gadget));
+		DBG(cdev, "notify speed %u\n", ncm_bitrate(cdev->gadget));
 		ncm->notify_state = NCM_NOTIFY_CONNECT;
 		break;
 	}