Fix memory leak.

apps/pkcs12.c

@@ -665,9 +665,10 @@ int MAIN(int argc, char **argv)
 int dump_certs_keys_p12 (BIO *out, PKCS12 *p12, char *pass,
 	     int passlen, int options, char *pempass)
 {
-	STACK_OF(PKCS7) *asafes;
+	STACK_OF(PKCS7) *asafes = NULL;
 	STACK_OF(PKCS12_SAFEBAG) *bags;
 	int i, bagnid;
+	int ret = 0;
 	PKCS7 *p7;
 
 	if (!( asafes = PKCS12_unpack_authsafes(p12))) return 0;
@@ -685,16 +686,22 @@ int dump_certs_keys_p12 (BIO *out, PKCS12 *p12, char *pass,
 			}
 			bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 		} else continue;
-		if (!bags) return 0;
+		if (!bags) goto err;
 	    	if (!dump_certs_pkeys_bags (out, bags, pass, passlen, 
 						 options, pempass)) {
 			sk_PKCS12_SAFEBAG_pop_free (bags, PKCS12_SAFEBAG_free);
-			return 0;
+			goto err;
 		}
 		sk_PKCS12_SAFEBAG_pop_free (bags, PKCS12_SAFEBAG_free);
+		bags = NULL;
 	}
-	sk_PKCS7_pop_free (asafes, PKCS7_free);
-	return 1;
+	ret = 1;
+
+	err:
+
+	if (asafes)
+		sk_PKCS7_pop_free (asafes, PKCS7_free);
+	return ret;
 }
 
 int dump_certs_pkeys_bags (BIO *out, STACK_OF(PKCS12_SAFEBAG) *bags,