USB: core: fix sparse warning for static function
Fix the following sparse warning:
drivers/usb/core/usb.c:1033:15: warning: symbol 'usb_debug_devices' was not declared. Should it be static?
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 99e5458..4e2c6df 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -1067,7 +1067,7 @@
struct dentry *usb_debug_root;
EXPORT_SYMBOL_GPL(usb_debug_root);
-struct dentry *usb_debug_devices;
+static struct dentry *usb_debug_devices;
static int usb_debugfs_init(void)
{