#20
nsd/tcljob.c:848: error: Null Dereference
  pointer `queue` last assigned on line 831 could be null and is dereferenced at line 848, column 16.

nsd/tcljob.c:828:1: start of procedure JobCancelObjCmd()
826.  *----------------------------------------------------------------------
827.  */
828. static int
     ^
829. JobCancelObjCmd(ClientData UNUSED(clientData), Tcl_Interp *interp, int objc, Tcl_Obj *const* objv)
830. {

nsd/tcljob.c:831:5: 
829. JobCancelObjCmd(ClientData UNUSED(clientData), Tcl_Interp *interp, int objc, Tcl_Obj *const* objv)
830. {
831.     Queue        *queue = NULL;
         ^
832.     int          result = TCL_OK;
833.     char        *jobIdString;

nsd/tcljob.c:832:5: 
830. {
831.     Queue        *queue = NULL;
832.     int          result = TCL_OK;
         ^
833.     char        *jobIdString;
834.     Ns_ObjvSpec  args[] = {

nsd/tcljob.c:834:5: 
832.     int          result = TCL_OK;
833.     char        *jobIdString;
834.     Ns_ObjvSpec  args[] = {
         ^
835.         {"queueId",  ObjvQueue,      &queue,       NULL},
836.         {"jobId",    Ns_ObjvString,  &jobIdString, NULL},

nsd/tcljob.c:840:9: Taking false branch
838.     };
839. 
840.     if (Ns_ParseObjv(NULL, args, interp, 2, objc, objv) != NS_OK) {
             ^
841.         result =  TCL_ERROR;
842. 

nsd/tcljob.c:844:9: 
842. 
843.     } else {
844.         Job                  *jobPtr = NULL;
             ^
845.         const Tcl_HashEntry  *hPtr;
846. 

nsd/tcljob.c:847:9: 
845.         const Tcl_HashEntry  *hPtr;
846. 
847.         assert(queue != NULL);
             ^
848.         hPtr = Tcl_FindHashEntry(&queue->jobs, jobIdString);
849.         if (hPtr == NULL) {

nsd/tcljob.c:848:9: 
846. 
847.         assert(queue != NULL);
848.         hPtr = Tcl_FindHashEntry(&queue->jobs, jobIdString);
             ^
849.         if (hPtr == NULL) {
850.             (void)ReleaseQueue(queue, NS_FALSE);