struct hmac_ctx *ctx = align_ptr(ipad + bs * 2 + ds, sizeof(void *));
struct hash_desc desc;
struct scatterlist tmp;
+ int err;
desc.tfm = ctx->child;
desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
sg_set_buf(&tmp, ipad, bs);
- return unlikely(crypto_hash_init(&desc)) ?:
- crypto_hash_update(&desc, &tmp, bs);
+ err = crypto_hash_init(&desc);
+ if (unlikely(err))
+ return err;
+
+ return crypto_hash_update(&desc, &tmp, bs);
}
static int hmac_update(struct hash_desc *pdesc,
struct hmac_ctx *ctx = align_ptr(digest + ds, sizeof(void *));
struct hash_desc desc;
struct scatterlist tmp;
+ int err;
desc.tfm = ctx->child;
desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
sg_set_buf(&tmp, opad, bs + ds);
- return unlikely(crypto_hash_final(&desc, digest)) ?:
- crypto_hash_digest(&desc, &tmp, bs + ds, out);
+ err = crypto_hash_final(&desc, digest);
+ if (unlikely(err))
+ return err;
+
+ return crypto_hash_digest(&desc, &tmp, bs + ds, out);
}
static int hmac_digest(struct hash_desc *pdesc, struct scatterlist *sg,
struct hash_desc desc;
struct scatterlist sg1[2];
struct scatterlist sg2[1];
+ int err;
desc.tfm = ctx->child;
desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
sg1[1].length = 0;
sg_set_buf(sg2, opad, bs + ds);
- return unlikely(crypto_hash_digest(&desc, sg1, nbytes + bs, digest)) ?:
- crypto_hash_digest(&desc, sg2, bs + ds, out);
+ err = crypto_hash_digest(&desc, sg1, nbytes + bs, digest);
+ if (unlikely(err))
+ return err;
+
+ return crypto_hash_digest(&desc, sg2, bs + ds, out);
}
static int hmac_init_tfm(struct crypto_tfm *tfm)