This is a note to let you know that I've just added the patch titled
xhci: Add check for invalid byte size error when UAS devices are
to my usb git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git in the usb-linus branch.
The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)
The patch will hopefully also be merged in Linus's tree for the next -rc kernel release.
If you have any questions about this process, please let me know.
From d9193efba84fe4c4aa22a569fade5e6ca971f8af Mon Sep 17 00:00:00 2001
From: Sandeep Singh sandeep.singh@amd.com Date: Fri, 9 Nov 2018 17:21:19 +0200 Subject: xhci: Add check for invalid byte size error when UAS devices are connected.
Observed "TRB completion code (27)" error which corresponds to Stopped - Length Invalid error(xhci spec section 4.17.4) while connecting USB to SATA bridge.
Looks like this case was not considered when the following patch[1] was committed. Hence adding this new check which can prevent the invalid byte size error.
[1] ade2e3a xhci: handle transfer events without TRB pointer
Cc: stable@vger.kernel.org Signed-off-by: Sandeep Singh sandeep.singh@amd.com cc: Nehal Shah Nehal-bakulchandra.Shah@amd.com cc: Shyam Sundar S K Shyam-sundar.S-k@amd.com Signed-off-by: Mathias Nyman mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/host/xhci-ring.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 80d464ea5a9a..730a6ecd85fc 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2273,6 +2273,7 @@ static int handle_tx_event(struct xhci_hcd *xhci, goto cleanup; case COMP_RING_UNDERRUN: case COMP_RING_OVERRUN: + case COMP_STOPPED_LENGTH_INVALID: goto cleanup; default: xhci_err(xhci, "ERROR Transfer event for unknown stream ring slot %u ep %u\n",