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ah6: fix error return code in ah6_input() 

[ Upstream commit a5ebcbdf34b65fcc07f38eaf2d60563b42619a59 ]

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

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Link: https://lore.kernel.org/r/1605581105-35295-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Zhang Changzhong 2020-11-17 10:45:05 +08:00 committed by Greg Kroah-Hartman
parent fc83346191
commit b2f95ff764
1 changed files with 2 additions and 1 deletions
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3
net/ipv6/ah6.c
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@ -588,7 +588,8 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
memset(ah->auth_data, 0, ahp->icv_trunc_len);
if (ipv6_clear_mutable_options(ip6h, hdr_len, XFRM_POLICY_IN))
err = ipv6_clear_mutable_options(ip6h, hdr_len, XFRM_POLICY_IN);
if (err)
goto out_free;
ip6h->priority = 0;