diff options
| -rw-r--r-- | drivers/misc/bt-host.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/misc/bt-host.c b/drivers/misc/bt-host.c index 29f3104199e6..bf1e4aca9013 100644 --- a/drivers/misc/bt-host.c +++ b/drivers/misc/bt-host.c @@ -219,11 +219,13 @@ static int bt_host_release(struct inode *inode, struct file *file) static unsigned int bt_host_poll(struct file *file, poll_table *wait) { struct bt_host *bt_host = file_bt_host(file); - uint8_t ctrl = bt_inb(bt_host, BT_CTRL); unsigned int mask = 0; + uint8_t ctrl; poll_wait(file, &bt_host->queue, wait); + ctrl = bt_inb(bt_host, BT_CTRL); + if (ctrl & BT_CTRL_H2B_ATN) mask |= POLLIN; |