illumos gate

NULL pointer errors:

    In file included from ../../common/sys/param.h:48:0,
                     from ../../common/sys/t_lock.h:38,
                     from ../../common/sys/conf.h:37,
                     from ../../common/sys/stropts.h:38,
                     from ../../common/io/ib/clients/daplt/daplt.c:32:
    ../../common/io/ib/clients/daplt/daplt.c: In function 'daplka_attach':
    ../../common/sys/null.h:32:14: error: passing argument 6 of 'ddi_create_minor_node' makes integer from pointer without a cast [-Werror=int-conversion]
     #define NULL ((void *)0)
                  ^
    ../../common/io/ib/clients/daplt/daplt.c:976:21: note: in expansion of macro 'NULL'
          0, DDI_PSEUDO, NULL) != DDI_SUCCESS) {
                         ^~~~
    In file included from ../../common/io/ib/clients/daplt/daplt.c:42:0:
    ../../common/sys/sunddi.h:1564:1: note: expected 'int' but argument is of type 'void *'
     ddi_create_minor_node(dev_info_t *dip, char *name, int spec_type,
     ^~~~~~~~~~~~~~~~~~~~~
    ../../common/io/ib/clients/daplt/daplt.c: In function 'daplka_mr_destroy':
    ../../common/io/ib/clients/daplt/daplt.c:5389:26: error: assignment makes integer from pointer without a cast [-Werror=int-conversion]
      mr_rp->mr_attr.mr_vaddr = NULL;
                              ^
    ../../common/io/ib/clients/daplt/daplt.c: In function 'daplka_dbglog':
    ../../common/io/ib/clients/daplt/daplt.c:9888:47: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
       daplka_dbgbuf[sizeof (daplka_dbgbuf) - 1] = (char)NULL;
                                                   ^
    cc1: all warnings being treated as errors