[PATCH 4.14 191/267] rtlwifi: rtl8192de: Fix missing code to retrieve RX buffer address

[Greg Kroah-Hartman]

From: Larry Finger <Larry.Finger@xxxxxxxxxxxx>

commit 0e531cc575c4e9e3dd52ad287b49d3c2dc74c810 upstream.

In commit 38506ecefab9 ("rtlwifi: rtl_pci: Start modification for
new drivers"), a callback to get the RX buffer address was added to
the PCI driver. Unfortunately, driver rtl8192de was not modified
appropriately and the code runs into a WARN_ONCE() call. The use
of an incorrect array is also fixed.

Fixes: 38506ecefab9 ("rtlwifi: rtl_pci: Start modification for new drivers")
Cc: Stable <stable@xxxxxxxxxxxxxxx> # 3.18+
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c
@@ -839,13 +839,15 @@ u32 rtl92de_get_desc(u8 *p_desc, bool is
 			break;
 		}
 	} else {
-		struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
 		switch (desc_name) {
 		case HW_DESC_OWN:
-			ret = GET_RX_DESC_OWN(pdesc);
+			ret = GET_RX_DESC_OWN(p_desc);
 			break;
 		case HW_DESC_RXPKT_LEN:
-			ret = GET_RX_DESC_PKT_LEN(pdesc);
+			ret = GET_RX_DESC_PKT_LEN(p_desc);
+			break;
+		case HW_DESC_RXBUFF_ADDR:
+			ret = GET_RX_DESC_BUFF_ADDR(p_desc);
 			break;
 		default:
 			WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n",