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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>
This commit is contained in:
Wei Yongjun 2018-05-31 02:31:22 +00:00 committed by David S. Miller
parent 8cb77149e8
commit 3dc9f558cd
1 changed files with 1 additions and 1 deletions
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2
net/smc/af_smc.c
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@ -1420,7 +1420,7 @@ static int smc_setsockopt(struct socket *sock, int level, int optname,
return rc;
if (optlen < sizeof(int))
return rc;
return -EINVAL;
get_user(val, (int __user *)optval);
lock_sock(sk);