In OCSP_sendreq_bio(), cope with OCSP_sendreq_new() returning NULL.

ok jsing@

1 files changed, 6 insertions, 4 deletions

diff --git a/src/lib/libcrypto/ocsp/ocsp_ht.c b/src/lib/libcrypto/ocsp/ocsp_ht.c
index f3ee29ccbb..3e7c2e46d0 100644
--- a/src/lib/libcrypto/ocsp/ocsp_ht.c
+++ b/src/lib/libcrypto/ocsp/ocsp_ht.c
@@ -161,7 +161,7 @@ OCSP_sendreq_new(BIO *io, char *path, OCSP_REQUEST *req, int maxline)
 
         rctx = malloc(sizeof(OCSP_REQ_CTX));
         if (rctx == NULL)
-                return 0;
+                return NULL;
         rctx->state = OHS_ERROR;
         rctx->mem = BIO_new(BIO_s_mem());
         rctx->io = io;
@@ -174,7 +174,7 @@ OCSP_sendreq_new(BIO *io, char *path, OCSP_REQUEST *req, int maxline)
         if (!rctx->iobuf) {
                 BIO_free(rctx->mem);
                 free(rctx);
-                return 0;
+                return NULL;
         }
         if (!path)
                 path = "/";
@@ -183,14 +183,14 @@ OCSP_sendreq_new(BIO *io, char *path, OCSP_REQUEST *req, int maxline)
                 free(rctx->iobuf);
                 BIO_free(rctx->mem);
                 free(rctx);
-                return 0;
+                return NULL;
         }
 
         if (req && !OCSP_REQ_CTX_set1_req(rctx, req)) {
                 free(rctx->iobuf);
                 BIO_free(rctx->mem);
                 free(rctx);
-                return 0;
+                return NULL;
         }
 
         return rctx;
@@ -453,6 +453,8 @@ OCSP_sendreq_bio(BIO *b, char *path, OCSP_REQUEST *req)
         int rv;
 
         ctx = OCSP_sendreq_new(b, path, req, -1);
+        if (ctx == NULL)
+                return NULL;
 
         do {
                 rv = OCSP_sendreq_nbio(&resp, ctx);