From: Justin Pettit <jpettit@nicira.com>
Date: Tue, 22 Feb 2011 01:19:18 +0000 (-0800)
Subject: ovs-vsctl: Check "key" is valid before dereferencing in get_external_id().
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a6c8e0d9e99f1eb341d87df26b6fa02dc051f4a0;p=openvswitch

ovs-vsctl: Check "key" is valid before dereferencing in get_external_id().

Coverity #10716
---

diff --git a/utilities/ovs-vsctl.c b/utilities/ovs-vsctl.c
index 31c485ba..9fca1c8e 100644
--- a/utilities/ovs-vsctl.c
+++ b/utilities/ovs-vsctl.c
@@ -1403,7 +1403,7 @@ get_external_id(char **keys, char **values, size_t n,
         if (!key && !strncmp(keys[i], prefix, prefix_len)) {
             svec_add_nocopy(&svec, xasprintf("%s=%s",
                                              keys[i] + prefix_len, values[i]));
-        } else if (key_matches(keys[i], prefix, prefix_len, key)) {
+        } else if (key && key_matches(keys[i], prefix, prefix_len, key)) {
             svec_add(&svec, values[i]);
             break;
         }