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authorJoe Lawrence <joe.lawrence@stratus.com>2015-04-30 17:16:04 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-06-06 08:19:34 -0700
commitc6526404e92d0057f57bb50f4eef9672b83bbbdb (patch)
tree5ba3484c184ba1330ad24a78ed9e59a76b62c95f
parent697409c7b1b1c9cdfd3997452ea9a601bae5d06e (diff)
xhci: gracefully handle xhci_irq dead device
commit 948fa13504f80b9765d2b753691ab94c83a10341 upstream. If the xHCI host controller has died (ie, device removed) or suffered other serious fatal error (STS_FATAL), then xhci_irq should handle this condition with IRQ_HANDLED instead of -ESHUTDOWN. Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/host/xhci-ring.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index cc54a45833ff..f615712e8251 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2827,7 +2827,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
xhci_halt(xhci);
hw_died:
spin_unlock(&xhci->lock);
- return -ESHUTDOWN;
+ return IRQ_HANDLED;
}
/*