[libvirt] [PATCH v2 5/7] virsh-nodedev: Resolve Coverity issues

John Ferlan jferlan at redhat.com
Thu Jul 11 15:16:27 UTC 2013


Recent changes uncovered FORWARD_NULL and NEGATIVE_RETURNS problems with
the processing of the 'ndevices' and its associated allocated arrays in
'vshNodeDeviceListCollect' due to the possibility of returning -1 in a
call and using the returned value as a for loop index end condition.
---
 tools/virsh-nodedev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/virsh-nodedev.c b/tools/virsh-nodedev.c
index 2eb1979..3255079 100644
--- a/tools/virsh-nodedev.c
+++ b/tools/virsh-nodedev.c
@@ -352,7 +352,7 @@ finished:
     success = true;
 
 cleanup:
-    for (i = 0; i < ndevices; i++)
+    for (i = 0; ndevices != -1 && i < ndevices; i++)
         VIR_FREE(names[i]);
     VIR_FREE(names);
 
-- 
1.8.1.4




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