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author | Joe Lawrence <joe.lawrence@stratus.com> | 2015-04-30 17:16:04 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-06-06 08:19:34 -0700 |
commit | c6526404e92d0057f57bb50f4eef9672b83bbbdb (patch) | |
tree | 5ba3484c184ba1330ad24a78ed9e59a76b62c95f /drivers/usb | |
parent | 697409c7b1b1c9cdfd3997452ea9a601bae5d06e (diff) | |
download | lwn-c6526404e92d0057f57bb50f4eef9672b83bbbdb.tar.gz lwn-c6526404e92d0057f57bb50f4eef9672b83bbbdb.zip |
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/host/xhci-ring.c | 2 |
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; } /* |