From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Mon, 15 Oct 2018 12:52:49 +0000 (+0200)
Subject: cov: fix missing null allocation check
X-Git-Tag: v2_03_01~35
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=eed8715e1d891665a6c9b8a39850e61f40ea453e;p=lvm2.git

cov: fix missing null allocation check
---

diff --git a/base/data-struct/radix-tree-adaptive.c b/base/data-struct/radix-tree-adaptive.c
index cd53dd600..cbe8302c3 100644
--- a/base/data-struct/radix-tree-adaptive.c
+++ b/base/data-struct/radix-tree-adaptive.c
@@ -265,7 +265,8 @@ static bool _insert_prefix_chain(struct radix_tree *rt, struct value *v, uint8_t
 			if (kb[i] != pc->prefix[i])
 				break;
 
-		pc2 = zalloc(sizeof(*pc2) + pc->len - i);
+		if (!(pc2 = zalloc(sizeof(*pc2) + pc->len - i)))
+			return false;
 		pc2->len = pc->len - i;
 		memmove(pc2->prefix, pc->prefix + i, pc2->len);
 		pc2->child = pc->child;