Set error code on alloc failures

Almost all *alloc failures now set an error code.

Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/5842)

1 files changed, 7 insertions, 4 deletions

diff --git a/ssl/packet.c b/ssl/packet.c
index 7a4414ae6a..18198009cc 100644
--- a/ssl/packet.c
+++ b/ssl/packet.c
@@ -9,6 +9,7 @@
 
 #include "internal/cryptlib.h"
 #include "packet_locl.h"
+#include <openssl/sslerr.h>
 
 #define DEFAULT_BUF_SIZE    256
 
@@ -93,9 +94,10 @@ static int wpacket_intern_init_len(WPACKET *pkt, size_t lenbytes)
     pkt->curr = 0;
     pkt->written = 0;
 
-    pkt->subs = OPENSSL_zalloc(sizeof(*pkt->subs));
-    if (pkt->subs == NULL)
+    if ((pkt->subs = OPENSSL_zalloc(sizeof(*pkt->subs))) == NULL) {
+        SSLerr(SSL_F_WPACKET_INTERN_INIT_LEN, ERR_R_MALLOC_FAILURE);
         return 0;
+    }
 
     if (lenbytes == 0)
         return 1;
@@ -276,9 +278,10 @@ int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
     if (!ossl_assert(pkt->subs != NULL))
         return 0;
 
-    sub = OPENSSL_zalloc(sizeof(*sub));
-    if (sub == NULL)
+    if ((sub = OPENSSL_zalloc(sizeof(*sub))) == NULL) {
+        SSLerr(SSL_F_WPACKET_START_SUB_PACKET_LEN__, ERR_R_MALLOC_FAILURE);
         return 0;
+    }
 
     sub->parent = pkt->subs;
     pkt->subs = sub;