This is a note to let you know that I've just added the patch titled USB: f_ncm: ncm_bitrate (speed) is unsigned to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-f_ncm-ncm_bitrate-speed-is-unsigned.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 3370139745853f7826895293e8ac3aec1430508e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Maciej=20=C5=BBenczykowski?= <maze@xxxxxxxxxx> Date: Mon, 7 Jun 2021 17:53:44 -0700 Subject: USB: f_ncm: ncm_bitrate (speed) is unsigned MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 @@ -588,7 +588,7 @@ 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; } Patches currently in stable-queue which might be from maze@xxxxxxxxxx are queue-4.9/usb-f_ncm-ncm_bitrate-speed-is-unsigned.patch queue-4.9/usb-fix-various-gadget-panics-on-10gbps-cabling.patch queue-4.9/usb-fix-various-gadgets-null-ptr-deref-on-10gbps-cabling.patch