In spdk_nvmf_subsystem_disconnect_host(), we should check whether strdup() return NULL. Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com> Change-Id: I29cb6b2499ecd2a2367001c0d21ac95da4e10e20 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8304 Community-CI: Mellanox Build Bot Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>