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secure_seq: fix sparse errors

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Fixes following warnings :

net/core/secure_seq.c:125:28: warning: incorrect type in argument 1
(different base types)
net/core/secure_seq.c:125:28:    expected unsigned int const [unsigned]
[usertype] a
net/core/secure_seq.c:125:28:    got restricted __be32 [usertype] saddr
net/core/secure_seq.c:125:35: warning: incorrect type in argument 2
(different base types)
net/core/secure_seq.c:125:35:    expected unsigned int const [unsigned]
[usertype] b
net/core/secure_seq.c:125:35:    got restricted __be32 [usertype] daddr
net/core/secure_seq.c:125:43: warning: cast from restricted __be16
net/core/secure_seq.c:125:61: warning: restricted __be16 degrades to
integer

Fixes: 7cd23e5300c1 ("secure_seq: use SipHash in place of MD5")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2017-01-11 18:10:37 -08:00 committed by David S. Miller
parent a8ac1a55d0
commit c1ce1560a1
1 changed files with 3 additions and 1 deletions
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4
net/core/secure_seq.c
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@ -122,7 +122,9 @@ u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr,
{
u64 seq;
net_secret_init();
seq = siphash_3u32(saddr, daddr, (u32)sport << 16 | dport, &net_secret);
seq = siphash_3u32((__force u32)saddr, (__force u32)daddr,
(__force u32)sport << 16 | (__force u32)dport,
&net_secret);
seq += ktime_get_real_ns();
seq &= (1ull << 48) - 1;
return seq;