1 files changed, 1 insertions, 1 deletions

diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c
index 0fc8115b0aea..0808fbf0f7d3 100644
--- a/arch/s390/crypto/prng.c
+++ b/arch/s390/crypto/prng.c
@@ -76,7 +76,7 @@ static void prng_seed(int nbytes)
 
         /* Add the entropy */
         while (nbytes >= 8) {
-                *((__u64 *)parm_block) ^= *((__u64 *)buf+i*8);
+                *((__u64 *)parm_block) ^= *((__u64 *)(buf+i));
                 prng_add_entropy();
                 i += 8;
                 nbytes -= 8;