[PATCH 4.14 27/49] USB: f_ncm: ncm_bitrate (speed) is unsigned

From: Greg Kroah-Hartman
Date: Mon Jun 14 2021 - 06:44:24 EST


From: Maciej Żenczykowski <maze@xxxxxxxxxx>

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@xxxxxxxxx>
Cc: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
Cc: Felipe Balbi <balbi@xxxxxxxxxx>
Cc: Lorenzo Colitti <lorenzo@xxxxxxxxxx>
Cc: Yauheni Kaliuta <yauheni.kaliuta@xxxxxxxxx>
Cc: Linux USB Mailing List <linux-usb@xxxxxxxxxxxxxxx>
Acked-By: Lorenzo Colitti <lorenzo@xxxxxxxxxx>
Signed-off-by: Maciej Żenczykowski <maze@xxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210608005344.3762668-1-zenczykowski@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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
@@ -589,7 +589,7 @@ 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;
}