[PATCH 1/2] Fix sparse warnings by using appropriate endian types

Adrien Descamps adrien.descamps at gmail.com
Thu Mar 2 20:30:11 UTC 2017


Fix some sparse warning by using correct endian types in structs and
local variables.
This patch only fix sparse warnings and do not change the logic.
Compile tested only.

Signed-off-by: Adrien Descamps <adrien.descamps at gmail.com>
---
 drivers/staging/wlan-ng/hfa384x.h     | 58 +++++++++++++++++------------------
 drivers/staging/wlan-ng/hfa384x_usb.c |  2 +-
 drivers/staging/wlan-ng/p80211conv.h  | 28 ++++++++---------
 3 files changed, 44 insertions(+), 44 deletions(-)

diff --git a/drivers/staging/wlan-ng/hfa384x.h b/drivers/staging/wlan-ng/hfa384x.h
index 60caf9c..7bcc0db 100644
--- a/drivers/staging/wlan-ng/hfa384x.h
+++ b/drivers/staging/wlan-ng/hfa384x.h
@@ -482,7 +482,7 @@ struct hfa384x_tx_frame {
 	u8 address3[6];
 	u16 sequence_control;
 	u8 address4[6];
-	u16 data_len;		/* little endian format */
+	__le16 data_len;		/* little endian format */
 
 	/*-- 802.3 Header Information --*/
 
@@ -801,41 +801,41 @@ struct hfa384x_usb_txfrm {
 } __packed;
 
 struct hfa384x_usb_cmdreq {
-	u16 type;
-	u16 cmd;
-	u16 parm0;
-	u16 parm1;
-	u16 parm2;
+	__le16 type;
+	__le16 cmd;
+	__le16 parm0;
+	__le16 parm1;
+	__le16 parm2;
 	u8 pad[54];
 } __packed;
 
 struct hfa384x_usb_wridreq {
-	u16 type;
-	u16 frmlen;
-	u16 rid;
+	__le16 type;
+	__le16 frmlen;
+	__le16 rid;
 	u8 data[HFA384x_RIDDATA_MAXLEN];
 } __packed;
 
 struct hfa384x_usb_rridreq {
-	u16 type;
-	u16 frmlen;
-	u16 rid;
+	__le16 type;
+	__le16 frmlen;
+	__le16 rid;
 	u8 pad[58];
 } __packed;
 
 struct hfa384x_usb_wmemreq {
-	u16 type;
-	u16 frmlen;
-	u16 offset;
-	u16 page;
+	__le16 type;
+	__le16 frmlen;
+	__le16 offset;
+	__le16 page;
 	u8 data[HFA384x_USB_RWMEM_MAXLEN];
 } __packed;
 
 struct hfa384x_usb_rmemreq {
-	u16 type;
-	u16 frmlen;
-	u16 offset;
-	u16 page;
+	__le16 type;
+	__le16 frmlen;
+	__le16 offset;
+	__le16 page;
 	u8 pad[56];
 } __packed;
 
@@ -854,16 +854,16 @@ struct hfa384x_usb_infofrm {
 
 struct hfa384x_usb_statusresp {
 	u16 type;
-	u16 status;
-	u16 resp0;
-	u16 resp1;
-	u16 resp2;
+	__le16 status;
+	__le16 resp0;
+	__le16 resp1;
+	__le16 resp2;
 } __packed;
 
 struct hfa384x_usb_rridresp {
 	u16 type;
-	u16 frmlen;
-	u16 rid;
+	__le16 frmlen;
+	__le16 rid;
 	u8 data[HFA384x_RIDDATA_MAXLEN];
 } __packed;
 
@@ -1388,13 +1388,13 @@ static inline int hfa384x_drvr_getconfig16(struct hfa384x *hw, u16 rid, void *va
 
 	result = hfa384x_drvr_getconfig(hw, rid, val, sizeof(u16));
 	if (result == 0)
-		*((u16 *)val) = le16_to_cpu(*((u16 *)val));
+		*((u16 *)val) = le16_to_cpu(*((__le16 *)val));
 	return result;
 }
 
 static inline int hfa384x_drvr_setconfig16(struct hfa384x *hw, u16 rid, u16 val)
 {
-	u16 value = cpu_to_le16(val);
+	__le16 value = cpu_to_le16(val);
 
 	return hfa384x_drvr_setconfig(hw, rid, &value, sizeof(value));
 }
@@ -1408,7 +1408,7 @@ hfa384x_drvr_setconfig_async(struct hfa384x *hw,
 static inline int
 hfa384x_drvr_setconfig16_async(struct hfa384x *hw, u16 rid, u16 val)
 {
-	u16 value = cpu_to_le16(val);
+	__le16 value = cpu_to_le16(val);
 
 	return hfa384x_drvr_setconfig_async(hw, rid, &value, sizeof(value),
 					    NULL, NULL);
diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index 4fe037a..f26cc19 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -2316,7 +2316,7 @@ int hfa384x_drvr_ramdl_write(struct hfa384x *hw, u32 daddr, void *buf, u32 len)
 int hfa384x_drvr_readpda(struct hfa384x *hw, void *buf, unsigned int len)
 {
 	int result = 0;
-	u16 *pda = buf;
+	__le16 *pda = buf;
 	int pdaok = 0;
 	int morepdrs = 1;
 	int currpdr = 0;	/* word offset of the current pdr */
diff --git a/drivers/staging/wlan-ng/p80211conv.h b/drivers/staging/wlan-ng/p80211conv.h
index ed70d98..bd66826 100644
--- a/drivers/staging/wlan-ng/p80211conv.h
+++ b/drivers/staging/wlan-ng/p80211conv.h
@@ -101,20 +101,20 @@ void p80211skb_rxmeta_detach(struct sk_buff *skb);
  * Frame capture header.  (See doc/capturefrm.txt)
  */
 struct p80211_caphdr {
-	u32 version;
-	u32 length;
-	u64 mactime;
-	u64 hosttime;
-	u32 phytype;
-	u32 channel;
-	u32 datarate;
-	u32 antenna;
-	u32 priority;
-	u32 ssi_type;
-	s32 ssi_signal;
-	s32 ssi_noise;
-	u32 preamble;
-	u32 encoding;
+	__be32 version;
+	__be32 length;
+	__be64 mactime;
+	__be64 hosttime;
+	__be32 phytype;
+	__be32 channel;
+	__be32 datarate;
+	__be32 antenna;
+	__be32 priority;
+	__be32 ssi_type;
+	__be32 ssi_signal;
+	__be32 ssi_noise;
+	__be32 preamble;
+	__be32 encoding;
 };
 
 /* buffer free method pointer type */
-- 
2.1.4



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