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-rw-r--r--arch/um/drivers/line.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 4bd40bb43ec2..1fb3e51108b9 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -454,7 +454,10 @@ int line_open(struct line *lines, struct tty_struct *tty)
tty->driver_data = line;
line->tty = tty;
- enable_chan(line);
+ err = enable_chan(line);
+ if (err)
+ return err;
+
INIT_DELAYED_WORK(&line->task, line_timer_cb);
if(!line->sigio){