Remove some unnecessary checks when check of error is
sufficient. Make the order in some cases more logical
Should remove some possibilities of runtime warning noise.
Although some calls belong to the 'Nothing could
ever go wrong' school have added some warnings
Signed-off-by: Christophe Croullebois <christophe.croullebois@biblibre.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>