nfc: constify pointer to nfc_vendor_cmd

Neither the core nor the drivers modify the passed pointer to struct
nfc_vendor_cmd, so make it a pointer to const for correctness and
safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/nfc/st-nci/vendor_cmds.c b/drivers/nfc/st-nci/vendor_cmds.c
index 94b6000..30d2912 100644 (file)
--- a/drivers/nfc/st-nci/vendor_cmds.c
+++ b/drivers/nfc/st-nci/vendor_cmds.c
@@ -371,7 +371,7 @@ static int st_nci_manufacturer_specific(struct nfc_dev *dev, void *data,
        return nfc_vendor_cmd_reply(msg);
 }
 
-static struct nfc_vendor_cmd st_nci_vendor_cmds[] = {
+static const struct nfc_vendor_cmd st_nci_vendor_cmds[] = {
        {
                .vendor_id = ST_NCI_VENDOR_OUI,
                .subcmd = FACTORY_MODE,

diff --git a/drivers/nfc/st21nfca/vendor_cmds.c b/drivers/nfc/st21nfca/vendor_cmds.c
index 62332ca..7488286 100644 (file)
--- a/drivers/nfc/st21nfca/vendor_cmds.c
+++ b/drivers/nfc/st21nfca/vendor_cmds.c
@@ -295,7 +295,7 @@ exit:
        return r;
 }
 
-static struct nfc_vendor_cmd st21nfca_vendor_cmds[] = {
+static const struct nfc_vendor_cmd st21nfca_vendor_cmds[] = {
        {
                .vendor_id = ST21NFCA_VENDOR_OUI,
                .subcmd = FACTORY_MODE,

diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
index b35f37a..2daec80 100644 (file)
--- a/include/net/nfc/hci.h
+++ b/include/net/nfc/hci.h
@@ -168,7 +168,7 @@ void nfc_hci_set_clientdata(struct nfc_hci_dev *hdev, void *clientdata);
 void *nfc_hci_get_clientdata(struct nfc_hci_dev *hdev);
 
 static inline int nfc_hci_set_vendor_cmds(struct nfc_hci_dev *hdev,
-                                         struct nfc_vendor_cmd *cmds,
+                                         const struct nfc_vendor_cmd *cmds,
                                          int n_cmds)
 {
        return nfc_set_vendor_cmds(hdev->ndev, cmds, n_cmds);

diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index e7118e0..00f2c60 100644 (file)
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -343,7 +343,7 @@ static inline void *nci_get_drvdata(struct nci_dev *ndev)
 }
 
 static inline int nci_set_vendor_cmds(struct nci_dev *ndev,
-                                     struct nfc_vendor_cmd *cmds,
+                                     const struct nfc_vendor_cmd *cmds,
                                      int n_cmds)
 {
        return nfc_set_vendor_cmds(ndev->nfc_dev, cmds, n_cmds);

diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index 2cd3a26..3167202 100644 (file)
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -188,7 +188,7 @@ struct nfc_dev {
 
        struct rfkill *rfkill;
 
-       struct nfc_vendor_cmd *vendor_cmds;
+       const struct nfc_vendor_cmd *vendor_cmds;
        int n_vendor_cmds;
 
        struct nfc_ops *ops;
@@ -297,7 +297,7 @@ void nfc_send_to_raw_sock(struct nfc_dev *dev, struct sk_buff *skb,
                          u8 payload_type, u8 direction);
 
 static inline int nfc_set_vendor_cmds(struct nfc_dev *dev,
-                                     struct nfc_vendor_cmd *cmds,
+                                     const struct nfc_vendor_cmd *cmds,
                                      int n_cmds)
 {
        if (dev->vendor_cmds || dev->n_vendor_cmds)

diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 722f7ef..70467a8 100644 (file)
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -1531,7 +1531,7 @@ static int nfc_genl_vendor_cmd(struct sk_buff *skb,
                               struct genl_info *info)
 {
        struct nfc_dev *dev;
-       struct nfc_vendor_cmd *cmd;
+       const struct nfc_vendor_cmd *cmd;
        u32 dev_idx, vid, subcmd;
        u8 *data;
        size_t data_len;