From 3a797f364fe98a004515deaa6880c9cf75422b59 Mon Sep 17 00:00:00 2001 From: Philipp Hortmann Date: Thu, 3 Feb 2022 20:22:01 +0100 Subject: [PATCH] staging: vt6656: Fix crash when WLAN is turned off Stop submitting urbs before calling usb_kill_urb() and usb_free_urb(). Signed-off-by: Philipp Hortmann Link: https://lore.kernel.org/r/20220203192201.GA18509@matrix-ESPRIMO-P710 Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vt6656/usbpipe.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c index 7f45734390f6..d505b4b69ba4 100644 --- a/drivers/staging/vt6656/usbpipe.c +++ b/drivers/staging/vt6656/usbpipe.c @@ -230,7 +230,9 @@ static void vnt_start_interrupt_urb_complete(struct urb *urb) else vnt_int_process_data(priv); - status = usb_submit_urb(priv->interrupt_urb, GFP_ATOMIC); + if (!test_bit(DEVICE_FLAGS_DISCONNECTED, &priv->flags)) + status = usb_submit_urb(priv->interrupt_urb, GFP_ATOMIC); + if (status) dev_dbg(&priv->usb->dev, "Submit int URB failed %d\n", status); }