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path: root/drivers/usb/class/cdc-acm.c
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Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
-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 ca7a61190dd9..76b7fd234238 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -838,7 +838,7 @@ static int acm_tty_write(struct tty_struct *tty,
return count;
}
-static int acm_tty_write_room(struct tty_struct *tty)
+static unsigned int acm_tty_write_room(struct tty_struct *tty)
{
struct acm *acm = tty->driver_data;
/*