[libvirt] [PATCH 1/6] vbox: Fix resource leak

John Ferlan jferlan at redhat.com
Fri Jun 8 17:10:14 UTC 2018


Need to free the allocated hardDiskToOpen array. The contents of the
array are just pointers returned by virVBoxSnapshotConfHardDiskByLocation
and not allocated AFAICT so they don't need to also be freed as well.

Found by Coverity

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/vbox/vbox_common.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/vbox/vbox_common.c b/src/vbox/vbox_common.c
index 72a24a3464..0e7fe06748 100644
--- a/src/vbox/vbox_common.c
+++ b/src/vbox/vbox_common.c
@@ -4627,6 +4627,8 @@ vboxSnapshotRedefine(virDomainPtr dom,
     int realReadOnlyDisksPathSize = 0;
     virVBoxSnapshotConfSnapshotPtr newSnapshotPtr = NULL;
     unsigned char snapshotUuid[VIR_UUID_BUFLEN];
+    virVBoxSnapshotConfHardDiskPtr *hardDiskToOpen = NULL;
+    size_t hardDiskToOpenSize = 0;
     char **searchResultTab = NULL;
     ssize_t resultSize = 0;
     int it = 0;
@@ -5080,8 +5082,6 @@ vboxSnapshotRedefine(virDomainPtr dom,
      */
     for (it = 0; it < def->dom->ndisks; it++) {
         char *location = NULL;
-        virVBoxSnapshotConfHardDiskPtr *hardDiskToOpen = NULL;
-        size_t hardDiskToOpenSize = 0;
 
         location = def->dom->disks[it]->src->path;
         if (!location)
@@ -5394,8 +5394,7 @@ vboxSnapshotRedefine(virDomainPtr dom,
         if (!location)
             goto cleanup;
 
-        virVBoxSnapshotConfHardDiskPtr *hardDiskToOpen = NULL;
-        size_t hardDiskToOpenSize = virVBoxSnapshotConfDiskListToOpen(snapshotMachineDesc,
+        hardDiskToOpenSize = virVBoxSnapshotConfDiskListToOpen(snapshotMachineDesc,
                                                    &hardDiskToOpen, location);
         for (jt = 0; jt < hardDiskToOpenSize; jt++) {
             IMedium *medium = NULL;
@@ -5459,6 +5458,7 @@ vboxSnapshotRedefine(virDomainPtr dom,
     virStringListFree(realReadOnlyDisksPath);
     virStringListFree(realReadWriteDisksPath);
     virStringListFree(searchResultTab);
+    VIR_FREE(hardDiskToOpen);
     VIR_FREE(newSnapshotPtr);
     VIR_FREE(machineLocationPath);
     VIR_FREE(nameTmpUse);
-- 
2.14.4




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