This is a note to let you know that I've just added the patch titled
usbip: Fix USB device hang due to wrong enabling of scatter-gather
to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: usbip-fix-usb-device-hang-due-to-wrong-enabling-of-scatter-gather.patch and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From 770b2edece42fa55bbe7d4cbe53347a07b8968d4 Mon Sep 17 00:00:00 2001
From: Yuyang Du yuyang.du@intel.com Date: Thu, 30 Nov 2017 10:22:40 +0800 Subject: usbip: Fix USB device hang due to wrong enabling of scatter-gather
From: Yuyang Du yuyang.du@intel.com
commit 770b2edece42fa55bbe7d4cbe53347a07b8968d4 upstream.
The previous USB3 SuperSpeed enabling patches mistakenly enabled URB scatter-gather chaining, which is actually not supported by the VHCI HCD. This patch fixes that.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=197867 Fixes: 03cd00d538a6feb ("usbip: vhci-hcd: Set the vhci structure up to work") Reported-by: Juan Zea juan.zea@qindel.com Signed-off-by: Yuyang Du yuyang.du@intel.com Acked-by: Shuah Khan shuahkh@osg.samsung.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/usb/usbip/vhci_hcd.c | 1 - 1 file changed, 1 deletion(-)
--- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -1112,7 +1112,6 @@ static int hcd_name_to_id(const char *na static int vhci_setup(struct usb_hcd *hcd) { struct vhci *vhci = *((void **)dev_get_platdata(hcd->self.controller)); - hcd->self.sg_tablesize = ~0; if (usb_hcd_is_primary_hcd(hcd)) { vhci->vhci_hcd_hs = hcd_to_vhci_hcd(hcd); vhci->vhci_hcd_hs->vhci = vhci;
Patches currently in stable-queue which might be from yuyang.du@intel.com are
queue-4.14/usbip-fix-usb-device-hang-due-to-wrong-enabling-of-scatter-gather.patch