From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
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@xxxxxxxxx>
---
net/bluetooth/smp.c | 15 ++-------------
1 file 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));
--
1.8.4.2
--
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