X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=crypto%2Fansi_cprng.c;h=666f1962a160f5d547579b918b6229de0232607b;hb=32af9f3d6cc820c0c0a734666d1e0c73ce063833;hp=c0bb3778f1ae06976fbaf07c7e1b075fc0c581e7;hpb=ae3e4628287de0ab90545c14076657aeee38506b;p=firefly-linux-kernel-4.4.55.git

diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c
index c0bb3778f1ae..666f1962a160 100644
--- 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;
 		}