[libvirt] [PATCH] xenconfig: fix issues found by coverity in multiple IP support

Marek Marczykowski-Górecki marmarek at invisiblethingslab.com
Wed Dec 13 19:15:49 UTC 2017


- virStringSplit may return NULL
- VIR_ALLOC_N initialize the array already

Cc: John Ferlan <jferlan at redhat.com>
Signed-off-by: Marek Marczykowski-Górecki <marmarek at invisiblethingslab.com>
---
 src/xenconfig/xen_common.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/xenconfig/xen_common.c b/src/xenconfig/xen_common.c
index ff0df5fb7..ca3b4dee6 100644
--- a/src/xenconfig/xen_common.c
+++ b/src/xenconfig/xen_common.c
@@ -968,6 +968,9 @@ xenParseVif(virConfPtr conf, virDomainDefPtr def, const char *vif_typename)
                 char **ip_list = virStringSplit(ip, " ", 0);
                 size_t i;
 
+                if (!ip_list)
+                    goto cleanup;
+
                 for (i = 0; ip_list[i]; i++) {
                     if (virDomainNetAppendIPAddress(net, ip_list[i], 0, 0) < 0) {
                         virStringListFree(ip_list);
@@ -1191,8 +1194,6 @@ xenMakeIPList(virNetDevIPInfoPtr guestIP)
         if (!address_array[i])
             goto cleanup;
     }
-    address_array[guestIP->nips] = NULL;
-
     ret = virStringListJoin((const char**)address_array, " ");
 
  cleanup:
-- 
2.13.6




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