ath9k: use get_unaligned_{b16, le16, le32} where possible

[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / ath / ath9k / hif_usb.c

diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index 8028fe90f666f7f77e7dac72f4d754cbaa7c90ee..1d11ae101d679e4502c382afc30b8d38c032e477 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -14,6 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <asm/unaligned.h>
 #include "htc.h"
 
 /* identify firmware images */
@@ -557,8 +558,8 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev,
 
                ptr = (u8 *) skb->data;
 
-               pkt_len = ptr[index] + (ptr[index+1] << 8);
-               pkt_tag = ptr[index+2] + (ptr[index+3] << 8);
+               pkt_len = get_unaligned_le16(ptr + index);
+               pkt_tag = get_unaligned_le16(ptr + index + 2);
 
                if (pkt_tag != ATH_USB_RX_STREAM_MODE_TAG) {
                        RX_STAT_INC(skb_dropped);