rt2x00: Remove data_desc structure
Coverty indicated that data_desc with a single
element array is bad coding style. This removes
the structure and forces everybody to use __le32.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index f2d0feb..8889f6d 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -600,7 +600,7 @@
static void rt2400pci_init_rxring(struct rt2x00_dev *rt2x00dev)
{
struct data_ring *ring = rt2x00dev->rx;
- struct data_desc *rxd;
+ __le32 *rxd;
unsigned int i;
u32 word;
@@ -630,7 +630,7 @@
static void rt2400pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue)
{
struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
- struct data_desc *txd;
+ __le32 *txd;
unsigned int i;
u32 word;
@@ -1017,7 +1017,7 @@
* TX descriptor initialization
*/
static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
- struct data_desc *txd,
+ __le32 *txd,
struct txdata_entry_desc *desc,
struct ieee80211_hdr *ieee80211hdr,
unsigned int length,
@@ -1117,7 +1117,7 @@
static void rt2400pci_fill_rxdone(struct data_entry *entry,
struct rxdata_entry_desc *desc)
{
- struct data_desc *rxd = entry->priv;
+ __le32 *rxd = entry->priv;
u32 word0;
u32 word2;
@@ -1147,7 +1147,7 @@
{
struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
struct data_entry *entry;
- struct data_desc *txd;
+ __le32 *txd;
u32 word;
int tx_status;
int retry;
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.h b/drivers/net/wireless/rt2x00/rt2400pci.h
index ae22501..f5dbde7 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.h
+++ b/drivers/net/wireless/rt2x00/rt2400pci.h
@@ -803,8 +803,8 @@
/*
* DMA descriptor defines.
*/
-#define TXD_DESC_SIZE ( 8 * sizeof(struct data_desc) )
-#define RXD_DESC_SIZE ( 8 * sizeof(struct data_desc) )
+#define TXD_DESC_SIZE ( 8 * sizeof(__le32) )
+#define RXD_DESC_SIZE ( 8 * sizeof(__le32) )
/*
* TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 3d02c0d..1dea9d8 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -691,7 +691,7 @@
static void rt2500pci_init_rxring(struct rt2x00_dev *rt2x00dev)
{
struct data_ring *ring = rt2x00dev->rx;
- struct data_desc *rxd;
+ __le32 *rxd;
unsigned int i;
u32 word;
@@ -716,7 +716,7 @@
static void rt2500pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue)
{
struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
- struct data_desc *txd;
+ __le32 *txd;
unsigned int i;
u32 word;
@@ -1167,7 +1167,7 @@
* TX descriptor initialization
*/
static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
- struct data_desc *txd,
+ __le32 *txd,
struct txdata_entry_desc *desc,
struct ieee80211_hdr *ieee80211hdr,
unsigned int length,
@@ -1251,7 +1251,7 @@
static void rt2500pci_fill_rxdone(struct data_entry *entry,
struct rxdata_entry_desc *desc)
{
- struct data_desc *rxd = entry->priv;
+ __le32 *rxd = entry->priv;
u32 word0;
u32 word2;
@@ -1278,7 +1278,7 @@
{
struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
struct data_entry *entry;
- struct data_desc *txd;
+ __le32 *txd;
u32 word;
int tx_status;
int retry;
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.h b/drivers/net/wireless/rt2x00/rt2500pci.h
index d92aa56..92ba090 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.h
+++ b/drivers/net/wireless/rt2x00/rt2500pci.h
@@ -1082,8 +1082,8 @@
/*
* DMA descriptor defines.
*/
-#define TXD_DESC_SIZE ( 11 * sizeof(struct data_desc) )
-#define RXD_DESC_SIZE ( 11 * sizeof(struct data_desc) )
+#define TXD_DESC_SIZE ( 11 * sizeof(__le32) )
+#define RXD_DESC_SIZE ( 11 * sizeof(__le32) )
/*
* TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 164548f..c891037 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -990,7 +990,7 @@
* TX descriptor initialization
*/
static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
- struct data_desc *txd,
+ __le32 *txd,
struct txdata_entry_desc *desc,
struct ieee80211_hdr *ieee80211hdr,
unsigned int length,
@@ -1082,9 +1082,8 @@
struct rxdata_entry_desc *desc)
{
struct urb *urb = entry->priv;
- struct data_desc *rxd = (struct data_desc *)(entry->skb->data +
- (urb->actual_length -
- entry->ring->desc_size));
+ __le32 *rxd = (__le32 *)(entry->skb->data +
+ (urb->actual_length - entry->ring->desc_size));
u32 word0;
u32 word1;
@@ -1682,7 +1681,7 @@
skb_push(skb, ring->desc_size);
memset(skb->data, 0, ring->desc_size);
- rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data,
+ rt2x00lib_write_tx_desc(rt2x00dev, (__le32 *)skb->data,
(struct ieee80211_hdr *)(skb->data +
ring->desc_size),
skb->len - ring->desc_size, control);
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.h b/drivers/net/wireless/rt2x00/rt2500usb.h
index 2741840..9e04337 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.h
+++ b/drivers/net/wireless/rt2x00/rt2500usb.h
@@ -703,8 +703,8 @@
/*
* DMA descriptor defines.
*/
-#define TXD_DESC_SIZE ( 5 * sizeof(struct data_desc) )
-#define RXD_DESC_SIZE ( 4 * sizeof(struct data_desc) )
+#define TXD_DESC_SIZE ( 5 * sizeof(__le32) )
+#define RXD_DESC_SIZE ( 4 * sizeof(__le32) )
/*
* TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index d18cca8..2cd2c9f 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -488,7 +488,7 @@
* TX control handlers
*/
void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
- struct data_desc *txd,
+ __le32 *txd,
struct txdata_entry_desc *desc,
struct ieee80211_hdr *ieee80211hdr,
unsigned int length,
@@ -889,7 +889,7 @@
* TX descriptor initializer
*/
void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
- struct data_desc *txd,
+ __le32 *txd,
struct ieee80211_hdr *ieee80211hdr,
unsigned int length,
struct ieee80211_tx_control *control);
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 360f03a..304830b 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -578,7 +578,7 @@
* TX descriptor initializer
*/
void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
- struct data_desc *txd,
+ __le32 *txd,
struct ieee80211_hdr *ieee80211hdr,
unsigned int length,
struct ieee80211_tx_control *control)
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index 04663eb..fa85771 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -80,7 +80,7 @@
{
struct ieee80211_hdr *ieee80211hdr = (struct ieee80211_hdr *)skb->data;
struct data_entry *entry = rt2x00_get_data_entry(ring);
- struct data_desc *txd = entry->priv;
+ __le32 *txd = entry->priv;
u32 word;
if (rt2x00_ring_full(ring)) {
@@ -122,11 +122,11 @@
{
struct data_ring *ring = rt2x00dev->rx;
struct data_entry *entry;
- struct data_desc *rxd;
struct sk_buff *skb;
struct ieee80211_hdr *hdr;
struct rxdata_entry_desc desc;
int header_size;
+ __le32 *rxd;
int align;
u32 word;
diff --git a/drivers/net/wireless/rt2x00/rt2x00ring.h b/drivers/net/wireless/rt2x00/rt2x00ring.h
index 1a864d3..ee6c423 100644
--- a/drivers/net/wireless/rt2x00/rt2x00ring.h
+++ b/drivers/net/wireless/rt2x00/rt2x00ring.h
@@ -27,20 +27,6 @@
#define RT2X00RING_H
/*
- * data_desc
- * Each data entry also contains a descriptor which is used by the
- * device to determine what should be done with the packet and
- * what the current status is.
- * This structure is greatly simplified, but the descriptors
- * are basically a list of little endian 32 bit values.
- * Make the array by default 1 word big, this will allow us
- * to use sizeof() correctly.
- */
-struct data_desc {
- __le32 word[1];
-};
-
-/*
* rxdata_entry_desc
* Summary of information that has been read from the
* RX frame descriptor.
@@ -253,16 +239,16 @@
/*
* TX/RX Descriptor access functions.
*/
-static inline void rt2x00_desc_read(struct data_desc *desc,
+static inline void rt2x00_desc_read(__le32 *desc,
const u8 word, u32 *value)
{
- *value = le32_to_cpu(desc->word[word]);
+ *value = le32_to_cpu(desc[word]);
}
-static inline void rt2x00_desc_write(struct data_desc *desc,
+static inline void rt2x00_desc_write(__le32 *desc,
const u8 word, const u32 value)
{
- desc->word[word] = cpu_to_le32(value);
+ desc[word] = cpu_to_le32(value);
}
#endif /* RT2X00RING_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index d16f0a7..ab97b06 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -113,7 +113,7 @@
struct data_entry *entry = (struct data_entry *)urb->context;
struct data_ring *ring = entry->ring;
struct rt2x00_dev *rt2x00dev = ring->rt2x00dev;
- struct data_desc *txd = (struct data_desc *)entry->skb->data;
+ __le32 *txd = (__le32 *)entry->skb->data;
u32 word;
int tx_status;
@@ -181,7 +181,7 @@
skb_push(skb, ring->desc_size);
memset(skb->data, 0, ring->desc_size);
- rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data,
+ rt2x00lib_write_tx_desc(rt2x00dev, (__le32 *)skb->data,
(struct ieee80211_hdr *)(skb->data +
ring->desc_size),
skb->len - ring->desc_size, control);
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index a38a962..f3c4cbe 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -996,7 +996,7 @@
static void rt61pci_init_rxring(struct rt2x00_dev *rt2x00dev)
{
struct data_ring *ring = rt2x00dev->rx;
- struct data_desc *rxd;
+ __le32 *rxd;
unsigned int i;
u32 word;
@@ -1021,7 +1021,7 @@
static void rt61pci_init_txring(struct rt2x00_dev *rt2x00dev, const int queue)
{
struct data_ring *ring = rt2x00lib_get_ring(rt2x00dev, queue);
- struct data_desc *txd;
+ __le32 *txd;
unsigned int i;
u32 word;
@@ -1535,7 +1535,7 @@
* TX descriptor initialization
*/
static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
- struct data_desc *txd,
+ __le32 *txd,
struct txdata_entry_desc *desc,
struct ieee80211_hdr *ieee80211hdr,
unsigned int length,
@@ -1679,7 +1679,7 @@
static void rt61pci_fill_rxdone(struct data_entry *entry,
struct rxdata_entry_desc *desc)
{
- struct data_desc *rxd = entry->priv;
+ __le32 *rxd = entry->priv;
u32 word0;
u32 word1;
@@ -1709,7 +1709,7 @@
struct data_ring *ring;
struct data_entry *entry;
struct data_entry *entry_done;
- struct data_desc *txd;
+ __le32 *txd;
u32 word;
u32 reg;
u32 old_reg;
@@ -2455,7 +2455,7 @@
skb_push(skb, TXD_DESC_SIZE);
memset(skb->data, 0, TXD_DESC_SIZE);
- rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data,
+ rt2x00lib_write_tx_desc(rt2x00dev, (__le32 *)skb->data,
(struct ieee80211_hdr *)(skb->data +
TXD_DESC_SIZE),
skb->len - TXD_DESC_SIZE, control);
diff --git a/drivers/net/wireless/rt2x00/rt61pci.h b/drivers/net/wireless/rt2x00/rt61pci.h
index 50d9f6a..4c6524e 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.h
+++ b/drivers/net/wireless/rt2x00/rt61pci.h
@@ -1246,8 +1246,8 @@
/*
* DMA descriptor defines.
*/
-#define TXD_DESC_SIZE ( 16 * sizeof(struct data_desc) )
-#define RXD_DESC_SIZE ( 16 * sizeof(struct data_desc) )
+#define TXD_DESC_SIZE ( 16 * sizeof(__le32) )
+#define RXD_DESC_SIZE ( 16 * sizeof(__le32) )
/*
* TX descriptor format for TX, PRIO and Beacon Ring.
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 0cc8150..d89db26 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1203,7 +1203,7 @@
* TX descriptor initialization
*/
static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
- struct data_desc *txd,
+ __le32 *txd,
struct txdata_entry_desc *desc,
struct ieee80211_hdr *ieee80211hdr,
unsigned int length,
@@ -1350,7 +1350,7 @@
static void rt73usb_fill_rxdone(struct data_entry *entry,
struct rxdata_entry_desc *desc)
{
- struct data_desc *rxd = (struct data_desc *)entry->skb->data;
+ __le32 *rxd = (__le32 *)entry->skb->data;
u32 word0;
u32 word1;
@@ -1953,7 +1953,7 @@
skb_push(skb, TXD_DESC_SIZE);
memset(skb->data, 0, TXD_DESC_SIZE);
- rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data,
+ rt2x00lib_write_tx_desc(rt2x00dev, (__le32 *)skb->data,
(struct ieee80211_hdr *)(skb->data +
TXD_DESC_SIZE),
skb->len - TXD_DESC_SIZE, control);
diff --git a/drivers/net/wireless/rt2x00/rt73usb.h b/drivers/net/wireless/rt2x00/rt73usb.h
index b967df2..d49dcaa 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.h
+++ b/drivers/net/wireless/rt2x00/rt73usb.h
@@ -866,8 +866,8 @@
/*
* DMA descriptor defines.
*/
-#define TXD_DESC_SIZE ( 6 * sizeof(struct data_desc) )
-#define RXD_DESC_SIZE ( 6 * sizeof(struct data_desc) )
+#define TXD_DESC_SIZE ( 6 * sizeof(__le32) )
+#define RXD_DESC_SIZE ( 6 * sizeof(__le32) )
/*
* TX descriptor format for TX, PRIO and Beacon Ring.
