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nfc: constify nci_driver_ops (prop_ops and core_ops)

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Neither the core nor the drivers modify the passed pointer to struct
nci_driver_ops (consisting of function pointers), 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>
This commit is contained in:
Krzysztof Kozlowski 2021-07-24 23:47:35 +02:00 committed by David S. Miller
parent d08ba0fdea
commit cb8caa3c6c
6 changed files with 15 additions and 15 deletions
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4
drivers/nfc/fdp/fdp.c
View file

@ -651,7 +651,7 @@ static int fdp_nci_core_get_config_rsp_packet(struct nci_dev *ndev,
return 0;
}
static struct nci_driver_ops fdp_core_ops[] = {
static const struct nci_driver_ops fdp_core_ops[] = {
{
.opcode = NCI_OP_CORE_GET_CONFIG_RSP,
.rsp = fdp_nci_core_get_config_rsp_packet,
@ -662,7 +662,7 @@ static struct nci_driver_ops fdp_core_ops[] = {
},
};
static struct nci_driver_ops fdp_prop_ops[] = {
static const struct nci_driver_ops fdp_prop_ops[] = {
{
.opcode = nci_opcode_pack(NCI_GID_PROP, NCI_OP_PROP_PATCH_OID),
.rsp = fdp_nci_prop_patch_rsp_packet,

2
drivers/nfc/s3fwrn5/nci.c
View file

@ -20,7 +20,7 @@ static int s3fwrn5_nci_prop_rsp(struct nci_dev *ndev, struct sk_buff *skb)
return 0;
}
struct nci_driver_ops s3fwrn5_nci_prop_ops[4] = {
const struct nci_driver_ops s3fwrn5_nci_prop_ops[4] = {
{
.opcode = nci_opcode_pack(NCI_GID_PROPRIETARY,
NCI_PROP_SET_RFREG),

2
drivers/nfc/s3fwrn5/nci.h
View file

@ -50,7 +50,7 @@ struct nci_prop_fw_cfg_rsp {
__u8 status;
};
extern struct nci_driver_ops s3fwrn5_nci_prop_ops[4];
extern const struct nci_driver_ops s3fwrn5_nci_prop_ops[4];
int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name);
#endif /* __LOCAL_S3FWRN5_NCI_H_ */

2
drivers/nfc/st-nci/core.c
View file

@ -86,7 +86,7 @@ static int st_nci_prop_rsp_packet(struct nci_dev *ndev,
return 0;
}
static struct nci_driver_ops st_nci_prop_ops[] = {
static const struct nci_driver_ops st_nci_prop_ops[] = {
{
.opcode = nci_opcode_pack(NCI_GID_PROPRIETARY,
ST_NCI_CORE_PROP),

4
include/net/nfc/nci_core.h
View file

@ -82,10 +82,10 @@ struct nci_ops {
void (*hci_cmd_received)(struct nci_dev *ndev, u8 pipe, u8 cmd,
struct sk_buff *skb);
struct nci_driver_ops *prop_ops;
const struct nci_driver_ops *prop_ops;
size_t n_prop_ops;
struct nci_driver_ops *core_ops;
const struct nci_driver_ops *core_ops;
size_t n_core_ops;
};

16
net/nfc/nci/core.c
View file

@ -1363,12 +1363,12 @@ int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, const void *payl
EXPORT_SYMBOL(nci_send_cmd);
/* Proprietary commands API */
static struct nci_driver_ops *ops_cmd_lookup(struct nci_driver_ops *ops,
size_t n_ops,
__u16 opcode)
static const struct nci_driver_ops *ops_cmd_lookup(const struct nci_driver_ops *ops,
size_t n_ops,
__u16 opcode)
{
size_t i;
struct nci_driver_ops *op;
const struct nci_driver_ops *op;
if (!ops || !n_ops)
return NULL;
@ -1383,10 +1383,10 @@ static struct nci_driver_ops *ops_cmd_lookup(struct nci_driver_ops *ops,
}
static int nci_op_rsp_packet(struct nci_dev *ndev, __u16 rsp_opcode,
struct sk_buff *skb, struct nci_driver_ops *ops,
struct sk_buff *skb, const struct nci_driver_ops *ops,
size_t n_ops)
{
struct nci_driver_ops *op;
const struct nci_driver_ops *op;
op = ops_cmd_lookup(ops, n_ops, rsp_opcode);
if (!op || !op->rsp)
@ -1396,10 +1396,10 @@ static int nci_op_rsp_packet(struct nci_dev *ndev, __u16 rsp_opcode,
}
static int nci_op_ntf_packet(struct nci_dev *ndev, __u16 ntf_opcode,
struct sk_buff *skb, struct nci_driver_ops *ops,
struct sk_buff *skb, const struct nci_driver_ops *ops,
size_t n_ops)
{
struct nci_driver_ops *op;
const struct nci_driver_ops *op;
op = ops_cmd_lookup(ops, n_ops, ntf_opcode);
if (!op || !op->ntf)