On Fri, Feb 08, 2013 at 06:49:47PM +0800, harryxiyou@gmail.com wrote:
Don't try to do other jobs if get cmd NULL.
Signed-off-by: Harry Wei <harryxiyou@gmail.com>
--- src/storage/storage_backend_sheepdog.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/src/storage/storage_backend_sheepdog.c b/src/storage/storage_backend_sheepdog.c index 218284d..1ce5aa4 100644 --- a/src/storage/storage_backend_sheepdog.c +++ b/src/storage/storage_backend_sheepdog.c @@ -120,6 +120,8 @@ virStorageBackendSheepdogRefreshPool(virConnectPtr conn ATTRIBUTE_UNUSED, virCommandPtr cmd;
cmd = virCommandNewArgList(COLLIE, "node", "info", "-r", NULL); + if (cmd == NULL) + return -1;
NACK, the virCommand APIs are designed explicitly so that you do *not* need to check for NULL in this way. This page has a description of the usage of virCommand APIs http://libvirt.org/internals/command.html#initial Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|