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tcp: correctly crypto_alloc_hash return check 

crypto_alloc_hash never returns NULL

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Insu Yun 2016-02-15 21:30:33 -05:00 committed by David S. Miller
parent 73dcb55653
commit 1eea84b74c
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/tcp.c
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@ -2950,7 +2950,7 @@ static void __tcp_alloc_md5sig_pool(void)
struct crypto_hash *hash;
hash = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR_OR_NULL(hash))
if (IS_ERR(hash))
return;
per_cpu(tcp_md5sig_pool, cpu).md5_desc.tfm = hash;
}