After c11d8f89d3b7: "ath9k_htc: Simplify TX URB management" we no longer
assume that tx_buf is a non-null pointer.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index 46dc41a..ac82911 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -107,12 +107,14 @@ static inline void ath9k_skb_queue_purge(struct hif_device_usb *hif_dev,
static void hif_usb_tx_cb(struct urb *urb)
{
struct tx_buf *tx_buf = (struct tx_buf *) urb->context;
- struct hif_device_usb *hif_dev = tx_buf->hif_dev;
+ struct hif_device_usb *hif_dev;
struct sk_buff *skb;
- if (!hif_dev || !tx_buf)
+ if (!tx_buf || !tx_buf->hif_dev)
return;
+ hif_dev = tx_buf->hif_dev;
+
switch (urb->status) {
case 0:
break;
--
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