USB: cdc-acm: make bitfields unsigned

Fix usb/class sparse warnings:

drivers/usb/class/cdc-acm.h:128:34: error: dubious one-bit signed bitfield
drivers/usb/class/cdc-acm.h:129:24: error: dubious one-bit signed bitfield

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 4a8e87ec6ce9..5eeb570b9a61 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -124,8 +124,8 @@ struct acm {
         unsigned char clocal;                           /* termios CLOCAL */
         unsigned int ctrl_caps;                         /* control capabilities from the class specific header */
         unsigned int susp_count;                        /* number of suspended interfaces */
-        int combined_interfaces:1;                      /* control and data collapsed */
-        int is_int_ep:1;                                /* interrupt endpoints contrary to spec used */
+        unsigned int combined_interfaces:1;             /* control and data collapsed */
+        unsigned int is_int_ep:1;                       /* interrupt endpoints contrary to spec used */
         u8 bInterval;
         struct acm_wb *delayed_wb;                      /* write queued for a device about to be woken */
 };