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| author | Joe Lawrence <joe.lawrence@stratus.com> | 2015-04-30 17:16:04 +0300 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2015-08-07 00:32:10 +0100 |
| commit | 645d64a5b0ab2eae42c1280029ad2b13e7509308 (patch) | |
| tree | ed92e9b38335a7c627c07812e67364bbd86f58ea | |
| parent | f810a6a0e02c9651bd2cb3a3c2a076dcdef88d13 (diff) | |
| download | lwn-645d64a5b0ab2eae42c1280029ad2b13e7509308.tar.gz lwn-645d64a5b0ab2eae42c1280029ad2b13e7509308.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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -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 672c084b05d1..a47e29a9bc36 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2651,7 +2651,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) xhci_halt(xhci); hw_died: spin_unlock(&xhci->lock); - return -ESHUTDOWN; + return IRQ_HANDLED; } /* |