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authorCorey Minyard <cminyard@mvista.com>2021-07-16 15:28:46 -0500
committerSteffen Klassert <steffen.klassert@secunet.com>2021-07-20 16:14:23 +0200
commitf8fdadef92b7a39e9a9a83bc2df68731ac6c298b (patch)
tree1f0524a29e4aa944edec93cc1532dd6e1aea8e3f /net/ipv4/esp4.c
parentc18e9405d46aa08bb4b55a35ee9bcc66ef3e89e0 (diff)
ipsec: Remove unneeded extra variable in esp4 esp_ssg_unref()
It's assigned twice, but only used to calculate the size of the structure it points to. Just remove it and take a sizeof the actual structure. Signed-off-by: Corey Minyard <cminyard@mvista.com> Cc: Steffen Klassert <steffen.klassert@secunet.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: netdev@vger.kernel.org Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/ipv4/esp4.c')
-rw-r--r--net/ipv4/esp4.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index a09e36c4a413..851f542928a3 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -97,7 +97,6 @@ static inline struct scatterlist *esp_req_sg(struct crypto_aead *aead,
static void esp_ssg_unref(struct xfrm_state *x, void *tmp)
{
- struct esp_output_extra *extra = esp_tmp_extra(tmp);
struct crypto_aead *aead = x->data;
int extralen = 0;
u8 *iv;
@@ -105,9 +104,8 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp)
struct scatterlist *sg;
if (x->props.flags & XFRM_STATE_ESN)
- extralen += sizeof(*extra);
+ extralen += sizeof(struct esp_output_extra);
- extra = esp_tmp_extra(tmp);
iv = esp_tmp_iv(aead, tmp, extralen);
req = esp_tmp_req(aead, iv);