Bluetooth: Remove pointless endian conversion helpers

The Bluetooth source uses some endian conversion helpers, that in the end
translate to kernel standard routines. So remove this obfuscation since it
is fully pointless.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

3 files changed, 16 insertions, 21 deletions

diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 3ad5390a4dd5..cf8bcb255333 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -81,12 +81,6 @@ enum {
         BT_CLOSED
 };
 
-/* Endianness conversions */
-#define htobs(a)        __cpu_to_le16(a)
-#define htobl(a)        __cpu_to_le32(a)
-#define btohs(a)        __le16_to_cpu(a)
-#define btohl(a)        __le32_to_cpu(a)
-
 /* BD Address */
 typedef struct {
         __u8 b[6];
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 338295007c4b..bd0a4c1bced0 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -812,7 +812,7 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
                 goto done;
         }
 
-        if (la.l2_psm && btohs(la.l2_psm) < 0x1001 &&
+        if (la.l2_psm && __le16_to_cpu(la.l2_psm) < 0x1001 &&
                                 !capable(CAP_NET_BIND_SERVICE)) {
                 err = -EACCES;
                 goto done;
@@ -829,7 +829,8 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
                 l2cap_pi(sk)->sport = la.l2_psm;
                 sk->sk_state = BT_BOUND;
 
-                if (btohs(la.l2_psm) == 0x0001 || btohs(la.l2_psm) == 0x0003)
+                if (__le16_to_cpu(la.l2_psm) == 0x0001 ||
+                                        __le16_to_cpu(la.l2_psm) == 0x0003)
                         l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
         }
 
@@ -1015,9 +1016,9 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
                 write_lock_bh(&l2cap_sk_list.lock);
 
                 for (psm = 0x1001; psm < 0x1100; psm += 2)
-                        if (!__l2cap_get_sock_by_addr(htobs(psm), src)) {
-                                l2cap_pi(sk)->psm   = htobs(psm);
-                                l2cap_pi(sk)->sport = htobs(psm);
+                        if (!__l2cap_get_sock_by_addr(cpu_to_le16(psm), src)) {
+                                l2cap_pi(sk)->psm   = cpu_to_le16(psm);
+                                l2cap_pi(sk)->sport = cpu_to_le16(psm);
                                 err = 0;
                                 break;
                         }
@@ -1106,11 +1107,11 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l
         if (peer) {
                 la->l2_psm = l2cap_pi(sk)->psm;
                 bacpy(&la->l2_bdaddr, &bt_sk(sk)->dst);
-                la->l2_cid = htobs(l2cap_pi(sk)->dcid);
+                la->l2_cid = cpu_to_le16(l2cap_pi(sk)->dcid);
         } else {
                 la->l2_psm = l2cap_pi(sk)->sport;
                 bacpy(&la->l2_bdaddr, &bt_sk(sk)->src);
-                la->l2_cid = htobs(l2cap_pi(sk)->scid);
+                la->l2_cid = cpu_to_le16(l2cap_pi(sk)->scid);
         }
 
         return 0;
@@ -2720,8 +2721,8 @@ static ssize_t l2cap_sysfs_show(struct class *dev, char *buf)
 
                 str += sprintf(str, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
                                 batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
-                                sk->sk_state, btohs(pi->psm), pi->scid, pi->dcid,
-                                pi->imtu, pi->omtu, pi->sec_level);
+                                sk->sk_state, __le16_to_cpu(pi->psm), pi->scid,
+                                pi->dcid, pi->imtu, pi->omtu, pi->sec_level);
         }
 
         read_unlock_bh(&l2cap_sk_list.lock);
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 374536e050aa..e50566ebf9f9 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -679,7 +679,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
 
         bacpy(&addr.l2_bdaddr, dst);
         addr.l2_family = AF_BLUETOOTH;
-        addr.l2_psm    = htobs(RFCOMM_PSM);
+        addr.l2_psm    = cpu_to_le16(RFCOMM_PSM);
         addr.l2_cid    = 0;
         *err = kernel_connect(sock, (struct sockaddr *) &addr, sizeof(addr), O_NONBLOCK);
         if (*err == 0 || *err == -EINPROGRESS)
@@ -852,9 +852,9 @@ static int rfcomm_send_pn(struct rfcomm_session *s, int cr, struct rfcomm_dlc *d
         }
 
         if (cr && channel_mtu >= 0)
-                pn->mtu = htobs(channel_mtu);
+                pn->mtu = cpu_to_le16(channel_mtu);
         else
-                pn->mtu = htobs(d->mtu);
+                pn->mtu = cpu_to_le16(d->mtu);
 
         *ptr = __fcs(buf); ptr++;
 
@@ -1056,7 +1056,7 @@ static void rfcomm_make_uih(struct sk_buff *skb, u8 addr)
 
         if (len > 127) {
                 hdr = (void *) skb_push(skb, 4);
-                put_unaligned(htobs(__len16(len)), (__le16 *) &hdr->len);
+                put_unaligned(cpu_to_le16(__len16(len)), (__le16 *) &hdr->len);
         } else {
                 hdr = (void *) skb_push(skb, 3);
                 hdr->len = __len8(len);
@@ -1289,7 +1289,7 @@ static int rfcomm_apply_pn(struct rfcomm_dlc *d, int cr, struct rfcomm_pn *pn)
 
         d->priority = pn->priority;
 
-        d->mtu = btohs(pn->mtu);
+        d->mtu = __le16_to_cpu(pn->mtu);
 
         if (cr && d->mtu > s->mtu)
                 d->mtu = s->mtu;
@@ -1922,7 +1922,7 @@ static int rfcomm_add_listener(bdaddr_t *ba)
         /* Bind socket */
         bacpy(&addr.l2_bdaddr, ba);
         addr.l2_family = AF_BLUETOOTH;
-        addr.l2_psm    = htobs(RFCOMM_PSM);
+        addr.l2_psm    = cpu_to_le16(RFCOMM_PSM);
         addr.l2_cid    = 0;
         err = kernel_bind(sock, (struct sockaddr *) &addr, sizeof(addr));
         if (err < 0) {