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path: root/drivers/tty/amiserial.c
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Diffstat (limited to 'drivers/tty/amiserial.c')
-rw-r--r--drivers/tty/amiserial.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index 24145c3..6cc4358 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -1073,8 +1073,10 @@ static int set_serial_info(struct tty_struct *tty, struct serial_state *state,
(new_serial.close_delay != port->close_delay) ||
(new_serial.xmit_fifo_size != state->xmit_fifo_size) ||
((new_serial.flags & ~ASYNC_USR_MASK) !=
- (port->flags & ~ASYNC_USR_MASK)))
+ (port->flags & ~ASYNC_USR_MASK))) {
+ tty_unlock();
return -EPERM;
+ }
port->flags = ((port->flags & ~ASYNC_USR_MASK) |
(new_serial.flags & ASYNC_USR_MASK));
state->custom_divisor = new_serial.custom_divisor;
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