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Bluetooth: Fix missing const declarations in SMP functions

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Several SMP functions take read-only data. This patch fixes the
declaration of these parameters to use the const specifier as
appropriate.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-12-02 13:37:41 +02:00 committed by Marcel Holtmann
parent c7a3d57db6
commit cd08279762
2 changed files with 13 additions and 10 deletions
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18
net/bluetooth/smp.c
View File

@ -380,7 +380,8 @@ static int smp_h6(struct crypto_hash *tfm_cmac, const u8 w[16],
return err;
}
static int smp_ah(struct crypto_blkcipher *tfm, u8 irk[16], u8 r[3], u8 res[3])
static int smp_ah(struct crypto_blkcipher *tfm, const u8 irk[16],
const u8 r[3], u8 res[3])
{
u8 _res[16];
int err;
@ -406,7 +407,8 @@ static int smp_ah(struct crypto_blkcipher *tfm, u8 irk[16], u8 r[3], u8 res[3])
return 0;
}
bool smp_irk_matches(struct hci_dev *hdev, u8 irk[16], bdaddr_t *bdaddr)
bool smp_irk_matches(struct hci_dev *hdev, const u8 irk[16],
const bdaddr_t *bdaddr)
{
struct l2cap_chan *chan = hdev->smp_data;
struct crypto_blkcipher *tfm;
@ -427,7 +429,7 @@ bool smp_irk_matches(struct hci_dev *hdev, u8 irk[16], bdaddr_t *bdaddr)
return !memcmp(bdaddr->b, hash, 3);
}
int smp_generate_rpa(struct hci_dev *hdev, u8 irk[16], bdaddr_t *rpa)
int smp_generate_rpa(struct hci_dev *hdev, const u8 irk[16], bdaddr_t *rpa)
{
struct l2cap_chan *chan = hdev->smp_data;
struct crypto_blkcipher *tfm;
@ -452,9 +454,9 @@ int smp_generate_rpa(struct hci_dev *hdev, u8 irk[16], bdaddr_t *rpa)
return 0;
}
static int smp_c1(struct crypto_blkcipher *tfm_aes, u8 k[16], u8 r[16],
u8 preq[7], u8 pres[7], u8 _iat, bdaddr_t *ia, u8 _rat,
bdaddr_t *ra, u8 res[16])
static int smp_c1(struct crypto_blkcipher *tfm_aes, const u8 k[16],
const u8 r[16], const u8 preq[7], const u8 pres[7], u8 _iat,
const bdaddr_t *ia, u8 _rat, const bdaddr_t *ra, u8 res[16])
{
u8 p1[16], p2[16];
int err;
@ -493,8 +495,8 @@ static int smp_c1(struct crypto_blkcipher *tfm_aes, u8 k[16], u8 r[16],
return err;
}
static int smp_s1(struct crypto_blkcipher *tfm_aes, u8 k[16], u8 r1[16],
u8 r2[16], u8 _r[16])
static int smp_s1(struct crypto_blkcipher *tfm_aes, const u8 k[16],
const u8 r1[16], const u8 r2[16], u8 _r[16])
{
int err;

5
net/bluetooth/smp.h
View File

@ -185,8 +185,9 @@ bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level,
int smp_conn_security(struct hci_conn *hcon, __u8 sec_level);
int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey);
bool smp_irk_matches(struct hci_dev *hdev, u8 irk[16], bdaddr_t *bdaddr);
int smp_generate_rpa(struct hci_dev *hdev, u8 irk[16], bdaddr_t *rpa);
bool smp_irk_matches(struct hci_dev *hdev, const u8 irk[16],
const bdaddr_t *bdaddr);
int smp_generate_rpa(struct hci_dev *hdev, const u8 irk[16], bdaddr_t *rpa);
int smp_register(struct hci_dev *hdev);
void smp_unregister(struct hci_dev *hdev);