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-rw-r--r--drivers/tty/n_tty.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index 0ad3288..c3954fb 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1815,6 +1815,7 @@ do_it_again:
/* FIXME: does n_tty_set_room need locking ? */
n_tty_set_room(tty);
timeout = schedule_timeout(timeout);
+ BUG_ON(!tty->read_buf);
continue;
}
__set_current_state(TASK_RUNNING);
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