tsm: screen: fix freeing alternate screen buffers on shutdown

We have to free both, main and alternate buffers on shutdown. We only used
to free the currently active buffer.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/src/tsm_screen.c b/src/tsm_screen.c
index 9242caf..1d658a5 100644
--- a/src/tsm_screen.c
+++ b/src/tsm_screen.c
@@ -460,7 +460,8 @@ err_timer:
 		line_free(con->main_lines[i]);
 		line_free(con->alt_lines[i]);
 	}
-	free(con->lines);
+	free(con->main_lines);
+	free(con->alt_lines);
 	free(con->tab_ruler);
 err_free:
 	free(con);
@@ -488,7 +489,8 @@ void tsm_screen_unref(struct tsm_screen *con)
 		line_free(con->main_lines[i]);
 		line_free(con->alt_lines[i]);
 	}
-	free(con->lines);
+	free(con->main_lines);
+	free(con->alt_lines);
 	free(con->tab_ruler);
 	shl_timer_free(con->timer);
 	free(con);