1 files changed, 6 insertions, 5 deletions

diff --git a/src/lib/libcrypto/rsa/rsa_crpt.c b/src/lib/libcrypto/rsa/rsa_crpt.c
index b057dd2201..cf7f9a328b 100644
--- a/src/lib/libcrypto/rsa/rsa_crpt.c
+++ b/src/lib/libcrypto/rsa/rsa_crpt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: rsa_crpt.c,v 1.12 2014/10/18 17:20:40 jsing Exp $ */
+/* $OpenBSD: rsa_crpt.c,v 1.13 2015/02/09 15:49:22 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -145,10 +145,11 @@ rsa_get_public_exp(const BIGNUM *d, const BIGNUM *p, const BIGNUM *q,
                 return NULL;
 
         BN_CTX_start(ctx);
-        r0 = BN_CTX_get(ctx);
-        r1 = BN_CTX_get(ctx);
-        r2 = BN_CTX_get(ctx);
-        if (r2 == NULL)
+        if ((r0 = BN_CTX_get(ctx)) == NULL)
+                goto err;
+        if ((r1 = BN_CTX_get(ctx)) == NULL)
+                goto err;
+        if ((r2 = BN_CTX_get(ctx)) == NULL)
                 goto err;
 
         if (!BN_sub(r1, p, BN_value_one()))