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-rw-r--r--arch/um/drivers/line.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 1c70a31e7c5b..2b8810ba5470 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -32,7 +32,7 @@ static irqreturn_t line_interrupt(int irq, void *data)
*
* Should be called while holding line->lock (this does not modify data).
*/
-static int write_room(struct line *line)
+static unsigned int write_room(struct line *line)
{
int n;
@@ -47,11 +47,11 @@ static int write_room(struct line *line)
return n - 1;
}
-int line_write_room(struct tty_struct *tty)
+unsigned int line_write_room(struct tty_struct *tty)
{
struct line *line = tty->driver_data;
unsigned long flags;
- int room;
+ unsigned int room;
spin_lock_irqsave(&line->lock, flags);
room = write_room(line);