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-rw-r--r--drivers/tty/serial/8250/8250_core.c4
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;