diff --git a/[refs] b/[refs]
index 9093e46cbf13..b83ad78e9fbf 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f71f94845e0126884eca8ce57a92e30b189c8e71
+refs/heads/master: 45cd5e2d4e632f55af1d6131f33b554c98f8b929
diff --git a/trunk/arch/um/drivers/line.c b/trunk/arch/um/drivers/line.c
index c5bff1ddeabc..91bf18941ca4 100644
--- a/trunk/arch/um/drivers/line.c
+++ b/trunk/arch/um/drivers/line.c
@@ -725,6 +725,8 @@ struct winch {
 
 static void free_winch(struct winch *winch, int free_irq_ok)
 {
+	int fd = winch->fd;
+	winch->fd = -1;
 	if (free_irq_ok)
 		free_irq(WINCH_IRQ, winch);
 
@@ -732,8 +734,8 @@ static void free_winch(struct winch *winch, int free_irq_ok)
 
 	if (winch->pid != -1)
 		os_kill_process(winch->pid, 1);
-	if (winch->fd != -1)
-		os_close_file(winch->fd);
+	if (fd != -1)
+		os_close_file(fd);
 	if (winch->stack != 0)
 		free_stack(winch->stack, 0);
 	kfree(winch);