rtl8xxxu: byteswap the entire RX descriptor for 24 byte RX descriptors
authorJes Sorensen <Jes.Sorensen@redhat.com>
Thu, 14 Apr 2016 18:58:51 +0000 (14:58 -0400)
committerKalle Valo <kvalo@codeaurora.org>
Fri, 15 Apr 2016 18:36:32 +0000 (21:36 +0300)
This shouldn't affect little endian system, but may have prevented the
driver working on big endian systems for devices with the larger 24
byte RX descriptors.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c

index 8b0b6c9..6545012 100644 (file)
@@ -8832,7 +8832,13 @@ static int rtl8723au_parse_rx_desc(struct rtl8xxxu_priv *priv,
 {
        struct rtl8xxxu_rx_desc *rx_desc = (struct rtl8xxxu_rx_desc *)skb->data;
        struct rtl8723au_phy_stats *phy_stats;
+       __le32 *_rx_desc_le = (__le32 *)skb->data;
+       u32 *_rx_desc = (u32 *)skb->data;
        int drvinfo_sz, desc_shift;
+       int i;
+
+       for (i = 0; i < (sizeof(struct rtl8xxxu_rx_desc) / sizeof(u32)); i++)
+               _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]);
 
        skb_pull(skb, sizeof(struct rtl8xxxu_rx_desc));
 
@@ -8873,7 +8879,13 @@ static int rtl8723bu_parse_rx_desc(struct rtl8xxxu_priv *priv,
        struct rtl8723bu_rx_desc *rx_desc =
                (struct rtl8723bu_rx_desc *)skb->data;
        struct rtl8723au_phy_stats *phy_stats;
+       __le32 *_rx_desc_le = (__le32 *)skb->data;
+       u32 *_rx_desc = (u32 *)skb->data;
        int drvinfo_sz, desc_shift;
+       int i;
+
+       for (i = 0; i < (sizeof(struct rtl8723bu_rx_desc) / sizeof(u32)); i++)
+               _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]);
 
        skb_pull(skb, sizeof(struct rtl8723bu_rx_desc));
 
@@ -8967,12 +8979,7 @@ static void rtl8xxxu_rx_complete(struct urb *urb)
        struct sk_buff *skb = (struct sk_buff *)urb->context;
        struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
        struct device *dev = &priv->udev->dev;
-       __le32 *_rx_desc_le = (__le32 *)skb->data;
-       u32 *_rx_desc = (u32 *)skb->data;
-       int rx_type, i;
-
-       for (i = 0; i < (sizeof(struct rtl8xxxu_rx_desc) / sizeof(u32)); i++)
-               _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]);
+       int rx_type;
 
        skb_put(skb, urb->actual_length);