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-rw-r--r--drivers/usb/class/cdc-acm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 0725b1871f2..a92395bf5f5 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -512,7 +512,7 @@ static void acm_softint(struct work_struct *work)
static void acm_waker(struct work_struct *waker)
{
struct acm *acm = container_of(waker, struct acm, waker);
- long flags;
+ unsigned long flags;
int rv;
rv = usb_autopm_get_interface(acm->control);