2021-07-24 21:50:11

by Krzysztof Kozlowski

[permalink] [raw]
Subject: [PATCH 07/12] 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 <[email protected]>
---
drivers/nfc/st-nci/vendor_cmds.c | 2 +-
drivers/nfc/st21nfca/vendor_cmds.c | 2 +-
include/net/nfc/hci.h | 2 +-
include/net/nfc/nci_core.h | 2 +-
include/net/nfc/nfc.h | 4 ++--
net/nfc/netlink.c | 2 +-
6 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/nfc/st-nci/vendor_cmds.c b/drivers/nfc/st-nci/vendor_cmds.c
index 94b600029a2a..30d2912d1a05 100644
--- 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 62332ca91554..74882866dbaf 100644
--- a/drivers/nfc/st21nfca/vendor_cmds.c
+++ b/drivers/nfc/st21nfca/vendor_cmds.c
@@ -295,7 +295,7 @@ static int st21nfca_hci_loopback(struct nfc_dev *dev, void *data,
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 b35f37a57686..2daec8036be9 100644
--- 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 e7118e0cc3b1..00f2c60971d7 100644
--- 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 2cd3a261bcbc..31672021d071 100644
--- 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 722f7ef891e1..70467a82be8f 100644
--- 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;
--
2.27.0