usb: Auto-load cdc_acm module when device opened.

The cdc_acm module is missing the char-major-166-* alias that would
cause it to be auto-loaded when a device of that type is opened.  This
patch adds the alias.

Signed-off-by: Scott James Remnant <[email protected]>
Signed-off-by: Tim Gardner <[email protected]>
Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index b3d5a23ab56fbf5c3832aa76d69e27caf15a9ff4..85f22c6da56712b4b709560fbea6b6691bb4c33d 100644 (file)
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1493,4 +1493,4 @@ module_exit(acm_exit);
 MODULE_AUTHOR( DRIVER_AUTHOR );
 MODULE_DESCRIPTION( DRIVER_DESC );
 MODULE_LICENSE("GPL");
-
+MODULE_ALIAS_CHARDEV_MAJOR(ACM_TTY_MAJOR);