staging: brcm80211: sparse endianness warnings for struct brcmf_proto_cdc_ioctl

Structure that is send/received to/from dongle has been annotated.
Reported-by: NJohannes Berg <johannes@sipsolutions.net>
Reviewed-by: NArend van Spriel <arend@broadcom.com>
Reviewed-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/dhd_cdc.c

@@ -28,11 +28,11 @@
 #include "dhd_dbg.h"
 
 struct brcmf_proto_cdc_ioctl {
-	u32 cmd;	/* ioctl command value */
-	u32 len;	/* lower 16: output buflen;
+	__le32 cmd;	/* ioctl command value */
+	__le32 len;	/* lower 16: output buflen;
 			 * upper 16: input buflen (excludes header) */
-	u32 flags;	/* flag defns given below */
-	u32 status;	/* status code returned from the device */
+	__le32 flags;	/* flag defns given below */
+	__le32 status;	/* status code returned from the device */
 };
 
 /* Max valid buffer size that can be sent to the dongle */
@@ -47,9 +47,6 @@ struct brcmf_proto_cdc_ioctl {
 #define CDCF_IOC_ID_SHIFT	16		/* ID Mask shift bits */
 #define CDC_IOC_ID(flags)	\
 	(((flags) & CDCF_IOC_ID_MASK) >> CDCF_IOC_ID_SHIFT)
-#define CDC_SET_IF_IDX(hdr, idx) \
-	((hdr)->flags = (((hdr)->flags & ~CDCF_IOC_IF_MASK) | \
-	((idx) << CDCF_IOC_IF_SHIFT)))
 
 /*
  * BDC header - Broadcom specific extension of CDC.
@@ -144,7 +141,7 @@ brcmf_proto_cdc_query_ioctl(struct brcmf_pub *drvr, int ifidx, uint cmd,
 	struct brcmf_proto_cdc_ioctl *msg = &prot->msg;
 	void *info;
 	int ret = 0, retries = 0;
-	u32 id, flags = 0;
+	u32 id, flags;
 
 	brcmf_dbg(TRACE, "Enter\n");
 	brcmf_dbg(CTL, "cmd %d len %d\n", cmd, len);
@@ -165,9 +162,9 @@ brcmf_proto_cdc_query_ioctl(struct brcmf_pub *drvr, int ifidx, uint cmd,
 
 	msg->cmd = cpu_to_le32(cmd);
 	msg->len = cpu_to_le32(len);
-	msg->flags = (++prot->reqid << CDCF_IOC_ID_SHIFT);
-	CDC_SET_IF_IDX(msg, ifidx);
-	msg->flags = cpu_to_le32(msg->flags);
+	flags = (++prot->reqid << CDCF_IOC_ID_SHIFT);
+	flags = (flags & ~CDCF_IOC_IF_MASK) | (ifidx << CDCF_IOC_IF_SHIFT);
+	msg->flags = cpu_to_le32(flags);
 
 	if (buf)
 		memcpy(prot->buf, buf, len);
@@ -233,9 +230,9 @@ int brcmf_proto_cdc_set_ioctl(struct brcmf_pub *drvr, int ifidx, uint cmd,
 
 	msg->cmd = cpu_to_le32(cmd);
 	msg->len = cpu_to_le32(len);
-	msg->flags = (++prot->reqid << CDCF_IOC_ID_SHIFT) | CDCF_IOC_SET;
-	CDC_SET_IF_IDX(msg, ifidx);
-	msg->flags = cpu_to_le32(msg->flags);
+	flags = (++prot->reqid << CDCF_IOC_ID_SHIFT) | CDCF_IOC_SET;
+	flags = (flags & ~CDCF_IOC_IF_MASK) | (ifidx << CDCF_IOC_IF_SHIFT);
+	msg->flags = cpu_to_le32(flags);
 
 	if (buf)
 		memcpy(prot->buf, buf, len);