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-rw-r--r--drivers/tty/serial/8250/8250_core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 46c1f5fc44d..b597e730b9e 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1463,6 +1463,7 @@ void serial8250_tx_chars(struct uart_8250_port *up)
}
EXPORT_SYMBOL_GPL(serial8250_tx_chars);
+/* Caller holds uart port lock */
unsigned int serial8250_modem_status(struct uart_8250_port *up)
{
struct uart_port *port = &up->port;