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| author | Hans de Goede <hdegoede@redhat.com> | 2017-10-04 21:43:35 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2017-10-06 21:35:47 +0300 |
| commit | 7841d554809b518a22349e7e39b6b63f8a48d0fb (patch) | |
| tree | 6d80901eff8d18023150c01bd564990d8a1f7c3e | |
| parent | c0153b0b901a16663ff91504fea25fb51d57cc29 (diff) | |
| download | linux-7841d554809b518a22349e7e39b6b63f8a48d0fb.tar.xz | |
Bluetooth: hci_uart_set_flow_control: Fix NULL deref when using serdev
Fix a NULL pointer deref (hu->tty) when calling hci_uart_set_flow_control
on hci_uart-s using serdev.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
| -rw-r--r-- | drivers/bluetooth/hci_ldisc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index a746627e784e..eec95019f15c 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -41,6 +41,7 @@ #include <linux/ioctl.h> #include <linux/skbuff.h> #include <linux/firmware.h> +#include <linux/serdev.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> @@ -298,6 +299,12 @@ void hci_uart_set_flow_control(struct hci_uart *hu, bool enable) unsigned int set = 0; unsigned int clear = 0; + if (hu->serdev) { + serdev_device_set_flow_control(hu->serdev, !enable); + serdev_device_set_rts(hu->serdev, !enable); + return; + } + if (enable) { /* Disable hardware flow control */ ktermios = tty->termios; |