Bluetooth: hci_uart: Make struct hci_uart_proto always const

The usage of struct hci_uart_proto should always be const. Change the
function headers and individual protocol drivers.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --git a/drivers/bluetooth/hci_ath.c b/drivers/bluetooth/hci_ath.c
index 15beb97..c1c0b0c 100644 (file)
--- a/drivers/bluetooth/hci_ath.c
+++ b/drivers/bluetooth/hci_ath.c
@@ -205,7 +205,7 @@ static int ath_recv(struct hci_uart *hu, const void *data, int count)
        return count;
 }
 
-static struct hci_uart_proto athp = {
+static const struct hci_uart_proto athp = {
        .id = HCI_UART_ATH3K,
        .open = ath_open,
        .close = ath_close,

diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
index 50ef2e6..7d30e05 100644 (file)
--- a/drivers/bluetooth/hci_bcsp.c
+++ b/drivers/bluetooth/hci_bcsp.c
@@ -735,7 +735,7 @@ static int bcsp_close(struct hci_uart *hu)
        return 0;
 }
 
-static struct hci_uart_proto bcsp = {
+static const struct hci_uart_proto bcsp = {
        .id             = HCI_UART_BCSP,
        .open           = bcsp_open,
        .close          = bcsp_close,

diff --git a/drivers/bluetooth/hci_h4.c b/drivers/bluetooth/hci_h4.c
index d841454..fc78310 100644 (file)
--- a/drivers/bluetooth/hci_h4.c
+++ b/drivers/bluetooth/hci_h4.c
@@ -139,7 +139,7 @@ static struct sk_buff *h4_dequeue(struct hci_uart *hu)
        return skb_dequeue(&h4->txq);
 }
 
-static struct hci_uart_proto h4p = {
+static const struct hci_uart_proto h4p = {
        .id             = HCI_UART_H4,
        .open           = h4_open,
        .close          = h4_close,

diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index 0f681cc..aac0e8f 100644 (file)
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -743,7 +743,7 @@ static int h5_flush(struct hci_uart *hu)
        return 0;
 }
 
-static struct hci_uart_proto h5p = {
+static const struct hci_uart_proto h5p = {
        .id             = HCI_UART_3WIRE,
        .open           = h5_open,
        .close          = h5_close,

diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 50dbaf3..ba3b988 100644 (file)
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -48,9 +48,9 @@
 
 #define VERSION "2.2"
 
-static struct hci_uart_proto *hup[HCI_UART_MAX_PROTO];
+static const struct hci_uart_proto *hup[HCI_UART_MAX_PROTO];
 
-int hci_uart_register_proto(struct hci_uart_proto *p)
+int hci_uart_register_proto(const struct hci_uart_proto *p)
 {
        if (p->id >= HCI_UART_MAX_PROTO)
                return -EINVAL;
@@ -63,7 +63,7 @@ int hci_uart_register_proto(struct hci_uart_proto *p)
        return 0;
 }
 
-int hci_uart_unregister_proto(struct hci_uart_proto *p)
+int hci_uart_unregister_proto(const struct hci_uart_proto *p)
 {
        if (p->id >= HCI_UART_MAX_PROTO)
                return -EINVAL;
@@ -76,7 +76,7 @@ int hci_uart_unregister_proto(struct hci_uart_proto *p)
        return 0;
 }
 
-static struct hci_uart_proto *hci_uart_get_proto(unsigned int id)
+static const struct hci_uart_proto *hci_uart_get_proto(unsigned int id)
 {
        if (id >= HCI_UART_MAX_PROTO)
                return NULL;
@@ -506,7 +506,7 @@ static int hci_uart_register_dev(struct hci_uart *hu)
 
 static int hci_uart_set_proto(struct hci_uart *hu, int id)
 {
-       struct hci_uart_proto *p;
+       const struct hci_uart_proto *p;
        int err;
 
        p = hci_uart_get_proto(id);

diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index 79eea1c..e66f0fa 100644 (file)
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -505,7 +505,7 @@ static struct sk_buff *ll_dequeue(struct hci_uart *hu)
        return skb_dequeue(&ll->txq);
 }
 
-static struct hci_uart_proto llp = {
+static const struct hci_uart_proto llp = {
        .id             = HCI_UART_LL,
        .open           = ll_open,
        .close          = ll_close,

diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 53b3292..683153d 100644 (file)
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -75,7 +75,7 @@ struct hci_uart {
        struct work_struct      init_ready;
        struct work_struct      write_work;
 
-       struct hci_uart_proto   *proto;
+       const struct hci_uart_proto *proto;
        void                    *priv;
 
        struct sk_buff          *tx_skb;
@@ -91,8 +91,8 @@ struct hci_uart {
 #define HCI_UART_SENDING       1
 #define HCI_UART_TX_WAKEUP     2
 
-int hci_uart_register_proto(struct hci_uart_proto *p);
-int hci_uart_unregister_proto(struct hci_uart_proto *p);
+int hci_uart_register_proto(const struct hci_uart_proto *p);
+int hci_uart_unregister_proto(const struct hci_uart_proto *p);
 int hci_uart_tx_wakeup(struct hci_uart *hu);
 int hci_uart_init_ready(struct hci_uart *hu);