1 files changed, 14 insertions, 12 deletions

diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c
index 200f2a1b599d..82a0a2ad2494 100644
--- a/arch/s390/crypto/des_s390.c
+++ b/arch/s390/crypto/des_s390.c
@@ -105,29 +105,35 @@ static int ecb_desall_crypt(struct blkcipher_desc *desc, long func,
 }
 
 static int cbc_desall_crypt(struct blkcipher_desc *desc, long func,
-                            u8 *iv, struct blkcipher_walk *walk)
+                            struct blkcipher_walk *walk)
 {
+        struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
         int ret = blkcipher_walk_virt(desc, walk);
         unsigned int nbytes = walk->nbytes;
+        struct {
+                u8 iv[DES_BLOCK_SIZE];
+                u8 key[DES3_KEY_SIZE];
+        } param;
 
         if (!nbytes)
                 goto out;
 
-        memcpy(iv, walk->iv, DES_BLOCK_SIZE);
+        memcpy(param.iv, walk->iv, DES_BLOCK_SIZE);
+        memcpy(param.key, ctx->key, DES3_KEY_SIZE);
         do {
                 /* only use complete blocks */
                 unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1);
                 u8 *out = walk->dst.virt.addr;
                 u8 *in = walk->src.virt.addr;
 
-                ret = crypt_s390_kmc(func, iv, out, in, n);
+                ret = crypt_s390_kmc(func, &param, out, in, n);
                 if (ret < 0 || ret != n)
                         return -EIO;
 
                 nbytes &= DES_BLOCK_SIZE - 1;
                 ret = blkcipher_walk_done(desc, walk, nbytes);
         } while ((nbytes = walk->nbytes));
-        memcpy(walk->iv, iv, DES_BLOCK_SIZE);
+        memcpy(walk->iv, param.iv, DES_BLOCK_SIZE);
 
 out:
         return ret;
@@ -179,22 +185,20 @@ static int cbc_des_encrypt(struct blkcipher_desc *desc,
                            struct scatterlist *dst, struct scatterlist *src,
                            unsigned int nbytes)
 {
-        struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
         struct blkcipher_walk walk;
 
         blkcipher_walk_init(&walk, dst, src, nbytes);
-        return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, ctx->iv, &walk);
+        return cbc_desall_crypt(desc, KMC_DEA_ENCRYPT, &walk);
 }
 
 static int cbc_des_decrypt(struct blkcipher_desc *desc,
                            struct scatterlist *dst, struct scatterlist *src,
                            unsigned int nbytes)
 {
-        struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
         struct blkcipher_walk walk;
 
         blkcipher_walk_init(&walk, dst, src, nbytes);
-        return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, ctx->iv, &walk);
+        return cbc_desall_crypt(desc, KMC_DEA_DECRYPT, &walk);
 }
 
 static struct crypto_alg cbc_des_alg = {
@@ -327,22 +331,20 @@ static int cbc_des3_encrypt(struct blkcipher_desc *desc,
                             struct scatterlist *dst, struct scatterlist *src,
                             unsigned int nbytes)
 {
-        struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
         struct blkcipher_walk walk;
 
         blkcipher_walk_init(&walk, dst, src, nbytes);
-        return cbc_desall_crypt(desc, KMC_TDEA_192_ENCRYPT, ctx->iv, &walk);
+        return cbc_desall_crypt(desc, KMC_TDEA_192_ENCRYPT, &walk);
 }
 
 static int cbc_des3_decrypt(struct blkcipher_desc *desc,
                             struct scatterlist *dst, struct scatterlist *src,
                             unsigned int nbytes)
 {
-        struct s390_des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
         struct blkcipher_walk walk;
 
         blkcipher_walk_init(&walk, dst, src, nbytes);
-        return cbc_desall_crypt(desc, KMC_TDEA_192_DECRYPT, ctx->iv, &walk);
+        return cbc_desall_crypt(desc, KMC_TDEA_192_DECRYPT, &walk);
 }
 
 static struct crypto_alg cbc_des3_alg = {