crypto: ansi_cprng - Fix off by one error in non-block size request

[pandora-kernel.git] / crypto / ansi_cprng.c

diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c
index ffa0245..6056178 100644 (file)
--- a/crypto/ansi_cprng.c
+++ b/crypto/ansi_cprng.c
@@ -230,11 +230,11 @@ remainder:
         */
        if (byte_count < DEFAULT_BLK_SZ) {
 empty_rbuf:
-               for (; ctx->rand_data_valid < DEFAULT_BLK_SZ;
-                       ctx->rand_data_valid++) {
+               while (ctx->rand_data_valid < DEFAULT_BLK_SZ) {
                        *ptr = ctx->rand_data[ctx->rand_data_valid];
                        ptr++;
                        byte_count--;
+                       ctx->rand_data_valid++;
                        if (byte_count == 0)
                                goto done;
                }