From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Thu, 11 May 2023 03:50:53 +0000 (-0700)
Subject: Fixed memory allocation failure introduced in fc8d1b125cef.
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=eca430c94fc87804523f368a86350646328490cb;p=njs.git

Fixed memory allocation failure introduced in fc8d1b125cef.

Found by Coverity (CID 1529969).
---

diff --git a/src/njs_builtin.c b/src/njs_builtin.c
index 854f9c8f..317458e0 100644
--- a/src/njs_builtin.c
+++ b/src/njs_builtin.c
@@ -756,7 +756,7 @@ njs_object_completions(njs_vm_t *vm, njs_value_t *object, njs_str_t *expression)
 
             completion->length = (prefix - expression->start) + key.length + 1;
             completion->start = njs_mp_alloc(vm->mem_pool, completion->length);
-            if (completion == NULL) {
+            if (njs_slow_path(completion->start == NULL)) {
                 njs_arr_destroy(array);
                 array = NULL;
                 goto done;