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path: root/drivers/net/wireless/ath/ath10k/usb.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/usb.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/usb.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/usb.c b/drivers/net/wireless/ath/ath10k/usb.c
index e1420f67f776..1e0343081be9 100644
--- a/drivers/net/wireless/ath/ath10k/usb.c
+++ b/drivers/net/wireless/ath/ath10k/usb.c
@@ -38,6 +38,10 @@ ath10k_usb_alloc_urb_from_pipe(struct ath10k_usb_pipe *pipe)
struct ath10k_urb_context *urb_context = NULL;
unsigned long flags;
+ /* bail if this pipe is not initialized */
+ if (!pipe->ar_usb)
+ return NULL;
+
spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags);
if (!list_empty(&pipe->urb_list_head)) {
urb_context = list_first_entry(&pipe->urb_list_head,
@@ -55,6 +59,10 @@ static void ath10k_usb_free_urb_to_pipe(struct ath10k_usb_pipe *pipe,
{
unsigned long flags;
+ /* bail if this pipe is not initialized */
+ if (!pipe->ar_usb)
+ return;
+
spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags);
pipe->urb_cnt++;
@@ -435,6 +443,7 @@ static int ath10k_usb_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
ath10k_dbg(ar, ATH10K_DBG_USB_BULK,
"usb bulk transmit failed: %d\n", ret);
usb_unanchor_urb(urb);
+ usb_free_urb(urb);
ret = -EINVAL;
goto err_free_urb_to_pipe;
}