Timeout poller in hello_sock_quit which locates in hello_sock_accept_poll
can be registered multiple times, each poller allocates memory and
can't be freed.
fixed issue#521
Change-Id: I2730f0e53d99a525becca263c6731231adf5f64b
Signed-off-by: yidong0635 <dongx.yi@intel.com>
Reviewed-on: https://review.gerrithub.io/437226
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
c26bd15881