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| author | Johan Hedberg <johan.hedberg@intel.com> | 2013-12-02 10:49:03 +0200 |
|---|---|---|
| committer | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2013-12-04 11:09:05 -0200 |
| commit | e84a6b139bdd3af2914f194ff840b1a36fa55598 (patch) | |
| tree | e20caf8fc9d9912e591efd444534758ec9367e57 /net | |
| parent | d2bee8fb6e18f6116aada39851918473761f7ab1 (diff) | |
| download | linux-stable-e84a6b139bdd3af2914f194ff840b1a36fa55598.tar.gz linux-stable-e84a6b139bdd3af2914f194ff840b1a36fa55598.tar.bz2 linux-stable-e84a6b139bdd3af2914f194ff840b1a36fa55598.zip | |
Bluetooth: Remove useless smp_rand function
This function was always just making a single get_random_bytes() call
and always returning the value 0. It's simpler to just call
get_random_bytes() directly where needed.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/smp.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index f99352d1aa43..3bcb765b6a92 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -143,13 +143,6 @@ static int smp_s1(struct crypto_blkcipher *tfm, u8 k[16], u8 r1[16], return err; } -static int smp_rand(u8 *buf) -{ - get_random_bytes(buf, 16); - - return 0; -} - static struct sk_buff *smp_build_cmd(struct l2cap_conn *conn, u8 code, u16 dlen, void *data) { @@ -606,9 +599,7 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) if (check_enc_key_size(conn, key_size)) return SMP_ENC_KEY_SIZE; - ret = smp_rand(smp->prnd); - if (ret) - return SMP_UNSPECIFIED; + get_random_bytes(smp->prnd, sizeof(smp->prnd)); smp->prsp[0] = SMP_CMD_PAIRING_RSP; memcpy(&smp->prsp[1], &rsp, sizeof(rsp)); @@ -644,9 +635,7 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb) if (check_enc_key_size(conn, key_size)) return SMP_ENC_KEY_SIZE; - ret = smp_rand(smp->prnd); - if (ret) - return SMP_UNSPECIFIED; + get_random_bytes(smp->prnd, sizeof(smp->prnd)); smp->prsp[0] = SMP_CMD_PAIRING_RSP; memcpy(&smp->prsp[1], rsp, sizeof(*rsp)); |