1 files changed, 3 insertions, 2 deletions

diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index cf8a97f34518..7a656bd8bd3c 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -6,6 +6,7 @@
 #include "linux/irqreturn.h"
 #include "linux/kd.h"
 #include "linux/sched.h"
+#include "linux/slab.h"
 #include "chan_kern.h"
 #include "irq_kern.h"
 #include "irq_user.h"
@@ -18,10 +19,10 @@ static irqreturn_t line_interrupt(int irq, void *data)
 {
         struct chan *chan = data;
         struct line *line = chan->line;
-        struct tty_struct *tty = line->tty;
+        struct tty_struct *tty;
 
         if (line)
-                chan_interrupt(&line->chan_list, &line->task, tty, irq);
+                chan_interrupt(&line->chan_list, &line->task, line->tty, irq);
         return IRQ_HANDLED;
 }