Set salt length after the malloc has succeeded

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit c2319cf9fce87a2e82efb6e58ced11a85190dc3d)

diff --git a/crypto/pkcs12/p12_mutl.c b/crypto/pkcs12/p12_mutl.c
index 5ab4bf290e142e9b1460991b358a35f5509f9448..a9277827ff2df57792398b5a9d45d93e973f8f69 100644 (file)
--- a/crypto/pkcs12/p12_mutl.c
+++ b/crypto/pkcs12/p12_mutl.c
@@ -173,11 +173,11 @@ int PKCS12_setup_mac(PKCS12 *p12, int iter, unsigned char *salt, int saltlen,
     }
     if (!saltlen)
         saltlen = PKCS12_SALT_LEN;
-    p12->mac->salt->length = saltlen;
-    if (!(p12->mac->salt->data = OPENSSL_malloc(saltlen))) {
+    if ((p12->mac->salt->data = OPENSSL_malloc(saltlen)) == NULL) {
         PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
         return 0;
     }
+    p12->mac->salt->length = saltlen;
     if (!salt) {
         if (RAND_pseudo_bytes(p12->mac->salt->data, saltlen) < 0)
             return 0;