On 2016-5-6 23:31, Amitkumar Karwar wrote:
From: Ganapathi Bhat <gbhat@xxxxxxxxxxx>
The hdev struct might not have initialized in protocol receive handler.
This patch adds necessary checks.
Signed-off-by: Ganapathi Bhat <gbhat@xxxxxxxxxxx>
Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
---
drivers/bluetooth/hci_ldisc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index b4ee682..047e786 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -154,7 +154,9 @@ restart:
set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
len = tty->ops->write(tty, skb->data, skb->len);
- hdev->stat.byte_tx += len;
+
+ if (hdev)
+ hdev->stat.byte_tx += len;
skb_pull(skb, len);
if (skb->len) {
@@ -349,7 +351,7 @@ void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed)
/* tty_set_termios() return not checked as it is always 0 */
tty_set_termios(tty, &ktermios);
- BT_DBG("%s: New tty speeds: %d/%d", hu->hdev->name,
+ BT_DBG("%s: New tty speeds: %d/%d", hu->hdev ? hu->hdev->name : "",
tty->termios.c_ispeed, tty->termios.c_ospeed);
}
This serial of patches work well on my device...
Tested-by: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx>
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