Access to field 'tqh_first' results in a dereference of a null pointer
set = TAILQ_FIRST(&channel->reqs).
Add asserts to check if channel got NULL;
Change-Id: Ifd8d131a2432328d683e7fb9357fdd23b2396cf2
Signed-off-by: yidong0635 <dongx.yi@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/454536
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
04ce0e1254