[PATCH] PCI: start paying attention to a lot of pci function return values

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 149b13f..2507e89 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -549,7 +549,9 @@
 		hcd->can_wakeup = (port_wake & 1) != 0;
 
 		/* help hc dma work well with cachelines */
-		pci_set_mwi (pdev);
+		retval = pci_set_mwi(pdev);
+		if (retval)
+			ehci_dbg(ehci, "unable to enable MWI - not fatal.\n");
 	}
 #endif