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esp4: fix error return code in esp_output()

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Fix to return a negative error code from the error handling
case instead of 0, as returned elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2013-04-13 15:49:03 +00:00 committed by David S. Miller
parent 8f3359bdc8
commit 06848c10f7
1 changed files with 3 additions and 3 deletions
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6
net/ipv4/esp4.c
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@ -139,8 +139,6 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
/* skb is pure payload to encrypt */
err = -ENOMEM;
esp = x->data;
aead = esp->aead;
alen = crypto_aead_authsize(aead);
@ -176,8 +174,10 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
}
tmp = esp_alloc_tmp(aead, nfrags + sglists, seqhilen);
if (!tmp)
if (!tmp) {
err = -ENOMEM;
goto error;
}
seqhi = esp_tmp_seqhi(tmp);
iv = esp_tmp_iv(aead, tmp, seqhilen);