wl12xx: fix rx descriptor use
Rx descriptor was incorrectly allocated from stack, use struct wl12xx
instead. Needed for DMA transfers.
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/rx.c b/drivers/net/wireless/wl12xx/rx.c
index 5fd916a..7ac26ef 100644
--- a/drivers/net/wireless/wl12xx/rx.c
+++ b/drivers/net/wireless/wl12xx/rx.c
@@ -39,8 +39,7 @@
if (wl->rx_current_buffer)
rx_packet_ring_addr += wl->data_path->rx_packet_ring_chunk_size;
- wl12xx_spi_mem_read(wl, rx_packet_ring_addr, desc,
- sizeof(struct wl12xx_rx_descriptor));
+ wl12xx_spi_mem_read(wl, rx_packet_ring_addr, desc, sizeof(*desc));
}
static void wl12xx_rx_status(struct wl12xx *wl,
@@ -175,16 +174,18 @@
void wl12xx_rx(struct wl12xx *wl)
{
- struct wl12xx_rx_descriptor rx_desc;
+ struct wl12xx_rx_descriptor *rx_desc;
if (wl->state != WL12XX_STATE_ON)
return;
+ rx_desc = wl->rx_descriptor;
+
/* We first read the frame's header */
- wl12xx_rx_header(wl, &rx_desc);
+ wl12xx_rx_header(wl, rx_desc);
/* Now we can read the body */
- wl12xx_rx_body(wl, &rx_desc);
+ wl12xx_rx_body(wl, rx_desc);
/* Finally, we need to ACK the RX */
wl12xx_rx_ack(wl);
