]> git.baikalelectronics.ru Git - kernel.git/commitdiff
net: hso: fix control-request directions
authorJohan Hovold <johan@kernel.org>
Mon, 24 May 2021 09:25:11 +0000 (11:25 +0200)
committerDavid S. Miller <davem@davemloft.net>
Mon, 24 May 2021 20:16:58 +0000 (13:16 -0700)
The direction of the pipe argument must match the request-type direction
bit or control requests may fail depending on the host-controller-driver
implementation.

Fix the tiocmset and rfkill requests which erroneously used
usb_rcvctrlpipe().

Fixes: 72dc1c096c70 ("HSO: add option hso driver")
Cc: stable@vger.kernel.org # 2.6.27
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/usb/hso.c

index b48b2a25210cd8668bb4dfd4eec5d86512b5b92c..5c779cc0ea1124463808db677337b9d8ea792803 100644 (file)
@@ -1689,7 +1689,7 @@ static int hso_serial_tiocmset(struct tty_struct *tty,
        spin_unlock_irqrestore(&serial->serial_lock, flags);
 
        return usb_control_msg(serial->parent->usb,
-                              usb_rcvctrlpipe(serial->parent->usb, 0), 0x22,
+                              usb_sndctrlpipe(serial->parent->usb, 0), 0x22,
                               0x21, val, if_num, NULL, 0,
                               USB_CTRL_SET_TIMEOUT);
 }
@@ -2436,7 +2436,7 @@ static int hso_rfkill_set_block(void *data, bool blocked)
        if (hso_dev->usb_gone)
                rv = 0;
        else
-               rv = usb_control_msg(hso_dev->usb, usb_rcvctrlpipe(hso_dev->usb, 0),
+               rv = usb_control_msg(hso_dev->usb, usb_sndctrlpipe(hso_dev->usb, 0),
                                       enabled ? 0x82 : 0x81, 0x40, 0, 0, NULL, 0,
                                       USB_CTRL_SET_TIMEOUT);
        mutex_unlock(&hso_dev->mutex);