usb_bus_list_lock is used by usbfs, but that's in the same module as
hcd.c, so there's no need to export it. Update the comment to show
that it protects the set of root hubs as well as the list of buses.
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
drivers/usb/core/hcd.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 014dc99..e9a7d81 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -97,9 +97,8 @@ struct usb_busmap {
};
static struct usb_busmap busmap;
-/* used when updating list of hcds */
-DEFINE_MUTEX(usb_bus_list_lock); /* exported only for usbfs */
-EXPORT_SYMBOL_GPL (usb_bus_list_lock);
+/* protects both usb_bus_list and the set of root hubs */
+DEFINE_MUTEX(usb_bus_list_lock);
/* used for controlling access to virtual root hubs */
static DEFINE_SPINLOCK(hcd_root_hub_lock);
--
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