1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 78f0f85bebdc..fada988512a1 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -932,8 +932,6 @@ static int wait_serial_change(struct acm *acm, unsigned long arg)
         DECLARE_WAITQUEUE(wait, current);
         struct async_icount old, new;
 
-        if (arg & (TIOCM_DSR | TIOCM_RI | TIOCM_CD))
-                return -EINVAL;
         do {
                 spin_lock_irq(&acm->read_lock);
                 old = acm->oldcount;
@@ -1161,6 +1159,8 @@ static int acm_probe(struct usb_interface *intf,
         if (quirks == IGNORE_DEVICE)
                 return -ENODEV;
 
+        memset(&h, 0x00, sizeof(struct usb_cdc_parsed_header));
+
         num_rx_buf = (quirks == SINGLE_RX_URB) ? 1 : ACM_NR;
 
         /* handle quirks deadly to normal probing*/