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Diffstat (limited to 'arch/um/drivers/line.h')
-rw-r--r--arch/um/drivers/line.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h
index 01d21e76144f..861edf329569 100644
--- a/arch/um/drivers/line.h
+++ b/arch/um/drivers/line.h
@@ -70,7 +70,7 @@ extern void line_set_termios(struct tty_struct *tty, struct ktermios * old);
extern int line_chars_in_buffer(struct tty_struct *tty);
extern void line_flush_buffer(struct tty_struct *tty);
extern void line_flush_chars(struct tty_struct *tty);
-extern int line_write_room(struct tty_struct *tty);
+extern unsigned int line_write_room(struct tty_struct *tty);
extern void line_throttle(struct tty_struct *tty);
extern void line_unthrottle(struct tty_struct *tty);