diff options
| author | Eric Biggers <ebiggers@google.com> | 2023-10-22 01:10:49 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-10-27 18:04:29 +0800 |
| commit | 0a6bfaa0e695facb072f2fedfb55df37c4483b50 (patch) | |
| tree | e8271c68e8bf807ba5076ef348ba91fffa6ce8a2 /net/ipv6 | |
| parent | e77f5dd701381cef35b9ea8b6dea6e62c8a7f9f3 (diff) | |
net: ipv6: stop checking crypto_ahash_alignmask
Now that the alignmask for ahash and shash algorithms is always 0,
crypto_ahash_alignmask() always returns 0 and will be removed. In
preparation for this, stop checking crypto_ahash_alignmask() in ah6.c.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/ah6.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index 56f9282ec5df..2016e90e6e1d 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -51,9 +51,7 @@ static void *ah_alloc_tmp(struct crypto_ahash *ahash, int nfrags, { unsigned int len; - len = size + crypto_ahash_digestsize(ahash) + - (crypto_ahash_alignmask(ahash) & - ~(crypto_tfm_ctx_alignment() - 1)); + len = size + crypto_ahash_digestsize(ahash); len = ALIGN(len, crypto_tfm_ctx_alignment()); @@ -75,10 +73,9 @@ static inline u8 *ah_tmp_auth(u8 *tmp, unsigned int offset) return tmp + offset; } -static inline u8 *ah_tmp_icv(struct crypto_ahash *ahash, void *tmp, - unsigned int offset) +static inline u8 *ah_tmp_icv(void *tmp, unsigned int offset) { - return PTR_ALIGN((u8 *)tmp + offset, crypto_ahash_alignmask(ahash) + 1); + return tmp + offset; } static inline struct ahash_request *ah_tmp_req(struct crypto_ahash *ahash, @@ -299,7 +296,7 @@ static void ah6_output_done(void *data, int err) iph_base = AH_SKB_CB(skb)->tmp; iph_ext = ah_tmp_ext(iph_base); - icv = ah_tmp_icv(ahp->ahash, iph_ext, extlen); + icv = ah_tmp_icv(iph_ext, extlen); memcpy(ah->auth_data, icv, ahp->icv_trunc_len); memcpy(top_iph, iph_base, IPV6HDR_BASELEN); @@ -362,7 +359,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb) iph_ext = ah_tmp_ext(iph_base); seqhi = (__be32 *)((char *)iph_ext + extlen); - icv = ah_tmp_icv(ahash, seqhi, seqhi_len); + icv = ah_tmp_icv(seqhi, seqhi_len); req = ah_tmp_req(ahash, icv); sg = ah_req_sg(ahash, req); seqhisg = sg + nfrags; @@ -468,7 +465,7 @@ static void ah6_input_done(void *data, int err) work_iph = AH_SKB_CB(skb)->tmp; auth_data = ah_tmp_auth(work_iph, hdr_len); - icv = ah_tmp_icv(ahp->ahash, auth_data, ahp->icv_trunc_len); + icv = ah_tmp_icv(auth_data, ahp->icv_trunc_len); err = crypto_memneq(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG : 0; if (err) @@ -576,7 +573,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) auth_data = ah_tmp_auth((u8 *)work_iph, hdr_len); seqhi = (__be32 *)(auth_data + ahp->icv_trunc_len); - icv = ah_tmp_icv(ahash, seqhi, seqhi_len); + icv = ah_tmp_icv(seqhi, seqhi_len); req = ah_tmp_req(ahash, icv); sg = ah_req_sg(ahash, req); seqhisg = sg + nfrags; |