xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ipv6: Use ipv6_authlen for len

Browse Source 
The length of AH header is computed manually as (hp->hdrlen+2)<<2.
However, in include/linux/ipv6.h, a macro named ipv6_authlen is
already defined for exactly the same job. This commit replaces
the manual computation code with the macro.

Signed-off-by: yangxingwu <xingwu.yang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
yangxingwu
2019-07-10 21:14:10 +08:00
committed by David S. Miller
parent 311633b604
commit 416e8126a2
7 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
net/ipv6/ah6.c
View File

@@ -464,7 +464,7 @@ static void ah6_input_done(struct crypto_async_request *base, int err)
struct ah_data *ahp = x->data;
struct ip_auth_hdr *ah = ip_auth_hdr(skb);
int hdr_len = skb_network_header_len(skb);
int ah_hlen = (ah->hdrlen + 2) << 2;
int ah_hlen = ipv6_authlen(ah);
if (err)
goto out;
@@ -546,7 +546,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
ahash = ahp->ahash;
nexthdr = ah->nexthdr;
ah_hlen = (ah->hdrlen + 2) << 2;
ah_hlen = ipv6_authlen(ah);
if (ah_hlen != XFRM_ALIGN8(sizeof(*ah) + ahp->icv_full_len) &&
ah_hlen != XFRM_ALIGN8(sizeof(*ah) + ahp->icv_trunc_len))