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authorAl Viro <viro@zeniv.linux.org.uk>2016-05-17 02:17:59 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2016-05-17 02:17:59 -0400
commit0e0162bb8c008fa7742f69d4d4982c8a37b88f95 (patch)
tree4b230ab63b5698a44d2948e70a6cc22405c351e9 /drivers/usb/core/hcd-pci.c
parentae05327a00fd47c34dfe25294b359a3f3fef96e8 (diff)
parent38b78a5f18584db6fa7441e0f4531b283b0e6725 (diff)
downloadtalos-op-linux-0e0162bb8c008fa7742f69d4d4982c8a37b88f95.tar.gz
talos-op-linux-0e0162bb8c008fa7742f69d4d4982c8a37b88f95.zip
Merge branch 'ovl-fixes' into for-linus
Backmerge to resolve a conflict in ovl_lookup_real(); "ovl_lookup_real(): use lookup_one_len_unlocked()" instead, but it was too late in the cycle to rebase.
Diffstat (limited to 'drivers/usb/core/hcd-pci.c')
-rw-r--r--drivers/usb/core/hcd-pci.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index f9d42cf23e55..7859d738df41 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -73,6 +73,15 @@ static void for_each_companion(struct pci_dev *pdev, struct usb_hcd *hcd,
if (companion->bus != pdev->bus ||
PCI_SLOT(companion->devfn) != slot)
continue;
+
+ /*
+ * Companion device should be either UHCI,OHCI or EHCI host
+ * controller, otherwise skip.
+ */
+ if (companion->class != CL_UHCI && companion->class != CL_OHCI &&
+ companion->class != CL_EHCI)
+ continue;
+
companion_hcd = pci_get_drvdata(companion);
if (!companion_hcd || !companion_hcd->self.root_hub)
continue;
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