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esp: remove redundant define esph

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The pointer 'esph' is defined but is never used hence it is redundant
and canbe removed.

Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Haishuang Yan 2018-08-17 15:51:00 +08:00 committed by Steffen Klassert
parent 211d6f2dc8
commit 0c05f98376
2 changed files with 6 additions and 8 deletions
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7
net/ipv4/esp4.c
View file

@ -683,12 +683,11 @@ static void esp_input_done_esn(struct crypto_async_request *base, int err)
*/
static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
{
struct ip_esp_hdr *esph;
struct crypto_aead *aead = x->data;
struct aead_request *req;
struct sk_buff *trailer;
int ivlen = crypto_aead_ivsize(aead);
int elen = skb->len - sizeof(*esph) - ivlen;
int elen = skb->len - sizeof(struct ip_esp_hdr) - ivlen;
int nfrags;
int assoclen;
int seqhilen;
@ -698,13 +697,13 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
struct scatterlist *sg;
int err = -EINVAL;
if (!pskb_may_pull(skb, sizeof(*esph) + ivlen))
if (!pskb_may_pull(skb, sizeof(struct ip_esp_hdr) + ivlen))
goto out;
if (elen <= 0)
goto out;
assoclen = sizeof(*esph);
assoclen = sizeof(struct ip_esp_hdr);
seqhilen = 0;
if (x->props.flags & XFRM_STATE_ESN) {

7
net/ipv6/esp6.c
View file

@ -601,12 +601,11 @@ static void esp_input_done_esn(struct crypto_async_request *base, int err)
static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
{
struct ip_esp_hdr *esph;
struct crypto_aead *aead = x->data;
struct aead_request *req;
struct sk_buff *trailer;
int ivlen = crypto_aead_ivsize(aead);
int elen = skb->len - sizeof(*esph) - ivlen;
int elen = skb->len - sizeof(struct ip_esp_hdr) - ivlen;
int nfrags;
int assoclen;
int seqhilen;
@ -616,7 +615,7 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
u8 *iv;
struct scatterlist *sg;
if (!pskb_may_pull(skb, sizeof(*esph) + ivlen)) {
if (!pskb_may_pull(skb, sizeof(struct ip_esp_hdr) + ivlen)) {
ret = -EINVAL;
goto out;
}
@ -626,7 +625,7 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
goto out;
}
assoclen = sizeof(*esph);
assoclen = sizeof(struct ip_esp_hdr);
seqhilen = 0;
if (x->props.flags & XFRM_STATE_ESN) {