1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 69932b7556cf..747073b8c38a 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1694,6 +1694,10 @@ static int serial_link_irq_chain(struct uart_8250_port *up)
 
 static void serial_unlink_irq_chain(struct uart_8250_port *up)
 {
+        /*
+         * yes, some broken gcc emit "warning: 'i' may be used uninitialized"
+         * but no, we are not going to take a patch that assigns NULL below.
+         */
         struct irq_info *i;
         struct hlist_node *n;
         struct hlist_head *h;