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-rw-r--r--drivers/usb/class/cdc-acm.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 4ad4ca44058b..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;