[libvirt] [PATCH 14/26] lxc: Resolve Coverity FORWARD_NULL

John Ferlan jferlan at redhat.com
Thu Sep 4 22:26:22 UTC 2014


If we jump to cleanup before allocating 'result', then the call to
virBlkioDeviceArrayClear() could dereference result

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/lxc/lxc_driver.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index f93360f..e5b6662 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -2222,8 +2222,10 @@ lxcDomainParseBlkioDeviceStr(char *blkioDeviceStr, const char *type,
                    _("unable to parse blkio device '%s' '%s'"),
                    type, blkioDeviceStr);
  cleanup:
-    virBlkioDeviceArrayClear(result, ndevices);
-    VIR_FREE(result);
+    if (result) {
+        virBlkioDeviceArrayClear(result, ndevices);
+        VIR_FREE(result);
+    }
     return -1;
 }
 
-- 
1.9.3




More information about the libvir-list mailing list