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authorHans de Goede <hdegoede@redhat.com>2014-08-19 15:17:56 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-08-19 11:16:08 -0500
commit9a54886342e227433aebc9d374f8ae268a836475 (patch)
treef216879634f26591754d3c8ad162b7ef4d67deb9 /drivers/usb/host/xhci-ring.c
parentdd5f5006d1035547559c8a90781a7e249787a7a2 (diff)
xhci: Treat not finding the event_seg on COMP_STOP the same as COMP_STOP_INVAL
When using a Renesas uPD720231 chipset usb-3 uas to sata bridge with a 120G Crucial M500 ssd, model string: Crucial_ CT120M500SSD1, together with a the integrated Intel xhci controller on a Haswell laptop: 00:14.0 USB controller [0c03]: Intel Corporation 8 Series USB xHCI HC [8086:9c31] (rev 04) The following error gets logged to dmesg: xhci error: Transfer event TRB DMA ptr not part of current TD Treating COMP_STOP the same as COMP_STOP_INVAL when no event_seg gets found fixes this. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 60fb52ae864b..ac8cf2374046 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2487,7 +2487,8 @@ static int handle_tx_event(struct xhci_hcd *xhci,
* last TRB of the previous TD. The command completion handle
* will take care the rest.
*/
- if (!event_seg && trb_comp_code == COMP_STOP_INVAL) {
+ if (!event_seg && (trb_comp_code == COMP_STOP ||
+ trb_comp_code == COMP_STOP_INVAL)) {
ret = 0;
goto cleanup;
}