[SERIAL] Make port->ops constant
No one should write to the port->ops structure, so make it constant.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 9437704..74142b73 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1870,7 +1870,7 @@
mutex_lock(&state->mutex);
if (state->info && state->info->flags & UIF_INITIALIZED) {
- struct uart_ops *ops = port->ops;
+ const struct uart_ops *ops = port->ops;
spin_lock_irq(&port->lock);
ops->stop_tx(port);
@@ -1932,7 +1932,7 @@
}
if (state->info && state->info->flags & UIF_INITIALIZED) {
- struct uart_ops *ops = port->ops;
+ const struct uart_ops *ops = port->ops;
int ret;
ops->set_mctrl(port, 0);
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index f3af477..b74ff34 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -257,7 +257,7 @@
unsigned int mctrl; /* current modem ctrl settings */
unsigned int timeout; /* character-based timeout */
unsigned int type; /* port type */
- struct uart_ops *ops;
+ const struct uart_ops *ops;
unsigned int custom_divisor;
unsigned int line; /* port index */
unsigned long mapbase; /* for ioremap */