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path: root/drivers/tty/ehv_bytechan.c
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Diffstat (limited to 'drivers/tty/ehv_bytechan.c')
-rw-r--r--drivers/tty/ehv_bytechan.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index 3c6dd06ec5fb..445e5ff9b36d 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c
@@ -536,11 +536,11 @@ static void ehv_bc_tty_close(struct tty_struct *ttys, struct file *filp)
* how much write room the driver can guarantee will be sent OR BUFFERED. This
* driver MUST honor the return value.
*/
-static int ehv_bc_tty_write_room(struct tty_struct *ttys)
+static unsigned int ehv_bc_tty_write_room(struct tty_struct *ttys)
{
struct ehv_bc_data *bc = ttys->driver_data;
unsigned long flags;
- int count;
+ unsigned int count;
spin_lock_irqsave(&bc->lock, flags);
count = CIRC_SPACE(bc->head, bc->tail, BUF_SIZE);