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-rw-r--r--drivers/net/wireless/wl12xx/main.c14
-rw-r--r--drivers/net/wireless/wl12xx/rx.c11
-rw-r--r--drivers/net/wireless/wl12xx/wl12xx.h1
3 files changed, 21 insertions, 5 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 6d27cd68767..3c6cd774192 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -1261,6 +1261,13 @@ static int __devinit wl12xx_probe(struct spi_device *spi)
wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE;
wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE;
+ wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL);
+ if (!wl->rx_descriptor) {
+ wl12xx_error("could not allocate memory for rx descriptor");
+ ret = -ENOMEM;
+ goto out_free;
+ }
+
/* This is the only SPI value that we need to set here, the rest
* comes from the board-peripherals file */
spi->bits_per_word = 32;
@@ -1313,6 +1320,9 @@ static int __devinit wl12xx_probe(struct spi_device *spi)
free_irq(wl->irq, wl);
out_free:
+ kfree(wl->rx_descriptor);
+ wl->rx_descriptor = NULL;
+
ieee80211_free_hw(hw);
return ret;
@@ -1333,6 +1343,10 @@ static int __devexit wl12xx_remove(struct spi_device *spi)
wl->fw = NULL;
kfree(wl->nvs);
wl->nvs = NULL;
+
+ kfree(wl->rx_descriptor);
+ wl->rx_descriptor = NULL;
+
ieee80211_free_hw(wl->hw);
return 0;
diff --git a/drivers/net/wireless/wl12xx/rx.c b/drivers/net/wireless/wl12xx/rx.c
index 5fd916a0b25..7ac26ef209b 100644
--- a/drivers/net/wireless/wl12xx/rx.c
+++ b/drivers/net/wireless/wl12xx/rx.c
@@ -39,8 +39,7 @@ static void wl12xx_rx_header(struct wl12xx *wl,
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 @@ static void wl12xx_rx_ack(struct wl12xx *wl)
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);
diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h
index b81102098c7..b87421461a7 100644
--- a/drivers/net/wireless/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -387,6 +387,7 @@ struct wl12xx {
u32 buffer_32;
u32 buffer_cmd;
u8 buffer_busyword[WL12XX_BUSY_WORD_LEN];
+ struct wl12xx_rx_descriptor *rx_descriptor;
};
int wl12xx_plt_start(struct wl12xx *wl);