When use newwin or new_panel function, the return value maybe NULL. Check the return value before use it will be more safe.
Signed-off-by: sunshihao <sunshihao@huawei.com>
Signed-off-by: linfeilong <linfeilong@huawei.com>
Signed-off-by: liuzhqiang <liuzhiqiang26@huawei.com>
Signed-off-by: suweifeng <suweifeng1@huawei.com>
Change-Id: Ifef8ed91b778cc4577cec1834f6596c58643e5c4
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5050
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
be979ad11e