net/smc: fix error return code in smc_setsockopt()
Fix to return error code -EINVAL instead of 0 if optlen is invalid.
Fixes: 01d2f7e2cd
("net/smc: sockopts TCP_NODELAY and TCP_CORK")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1420,7 +1420,7 @@ static int smc_setsockopt(struct socket *sock, int level, int optname,
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return rc;
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if (optlen < sizeof(int))
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return rc;
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return -EINVAL;
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get_user(val, (int __user *)optval);
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lock_sock(sk);
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