From: ihsinme <61293369+ihsinme@users.noreply.github.com>
Date: Wed, 25 Nov 2020 19:09:33 +0000 (+0300)
Subject: Update bio_ok.c
X-Git-Tag: OpenSSL_1_1_1i~15
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c60676338f1e25faaa44117238d8e35e507feee;p=thirdparty%2Fopenssl.git

Update bio_ok.c

CLA: trivial

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13515)

(cherry picked from commit a614af95531dd9f168aa4b71bd1195b4fdfe1794)
---

diff --git a/crypto/evp/bio_ok.c b/crypto/evp/bio_ok.c
index a77cfb1552d..aba305537a6 100644
--- a/crypto/evp/bio_ok.c
+++ b/crypto/evp/bio_ok.c
@@ -203,7 +203,7 @@ static int ok_read(BIO *b, char *out, int outl)
                 /*
                  * copy start of the next block into proper place
                  */
-                if (ctx->buf_len_save - ctx->buf_off_save > 0) {
+                if (ctx->buf_len_save > ctx->buf_off_save) {
                     ctx->buf_len = ctx->buf_len_save - ctx->buf_off_save;
                     memmove(ctx->buf, &(ctx->buf[ctx->buf_off_save]),
                             ctx->buf_len);