When submit_io cb returns bad status, current task is dropped and allocated memory is not cleaned. Change-Id: Ibc33e76e6800644c29eaeb826a3401ad5d5fd582 Signed-off-by: Alexey Marchuk <alexeymar@mellanox.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7376 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>