crypto: sa2ul - Remove unused auth_len variable

This patch removes the unused auth_len variable from
sa_aead_dma_in_callback.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c
index 51bb69b..544d704 100644 (file)
--- a/drivers/crypto/sa2ul.c
+++ b/drivers/crypto/sa2ul.c
@@ -1698,7 +1698,6 @@ static void sa_aead_dma_in_callback(void *data)
        size_t pl, ml;
        int i;
        int err = 0;
-       u16 auth_len;
        u32 *mdptr;
 
        sa_sync_from_device(rxd);
@@ -1711,13 +1710,10 @@ static void sa_aead_dma_in_callback(void *data)
        for (i = 0; i < (authsize / 4); i++)
                mdptr[i + 4] = swab32(mdptr[i + 4]);
 
-       auth_len = req->assoclen + req->cryptlen;
-
        if (rxd->enc) {
                scatterwalk_map_and_copy(&mdptr[4], req->dst, start, authsize,
                                         1);
        } else {
-               auth_len -= authsize;
                start -= authsize;
                scatterwalk_map_and_copy(auth_tag, req->src, start, authsize,
                                         0);