From 546b9f6b5cf6d0fde60aa37084eec1bb7d0fbc72 Mon Sep 17 00:00:00 2001
From: Peiwei Hu <jlu.hpw@foxmail.com>
Date: Sun, 14 Nov 2021 17:15:11 +0800
Subject: [PATCH] ossl_do_blob_header: fix return check

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17028)
---
 engines/e_loader_attic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/engines/e_loader_attic.c b/engines/e_loader_attic.c
index 59f19d329f8..e675b006a84 100644
--- a/engines/e_loader_attic.c
+++ b/engines/e_loader_attic.c
@@ -1347,8 +1347,8 @@ static OSSL_STORE_INFO *file_try_read_msblob(BIO *bp, int *matchcount)
 
         if (BIO_buffer_peek(bp, peekbuf, sizeof(peekbuf)) <= 0)
             return 0;
-        if (!ossl_do_blob_header(&p, sizeof(peekbuf), &magic, &bitlen,
-                                 &isdss, &ispub))
+        if (ossl_do_blob_header(&p, sizeof(peekbuf), &magic, &bitlen,
+                                 &isdss, &ispub) <= 0)
             return 0;
     }
 
-- 
2.47.2