23 static int xensyms_next_sym(struct xensyms *xs)  in xensyms_next_sym()  argument
26 	struct xenpf_symdata *symdata = &xs->op.u.symdata;  in xensyms_next_sym()
29 	memset(xs->name, 0, xs->namelen);  in xensyms_next_sym()
30 	symdata->namelen = xs->namelen;  in xensyms_next_sym()
34 	ret = HYPERVISOR_dom0_op(&xs->op);  in xensyms_next_sym()
42 	if (unlikely(symdata->namelen > xs->namelen)) {  in xensyms_next_sym()
43 		kfree(xs->name);  in xensyms_next_sym()
45 		xs->namelen = symdata->namelen;  in xensyms_next_sym()
46 		xs->name = kzalloc(xs->namelen, GFP_KERNEL);  in xensyms_next_sym()
47 		if (!xs->name)  in xensyms_next_sym()
50 		set_xen_guest_handle(symdata->name, xs->name);  in xensyms_next_sym()
53 		ret = HYPERVISOR_dom0_op(&xs->op);  in xensyms_next_sym()
67 	struct xensyms *xs = (struct xensyms *)m->private;  in xensyms_start()  local
69 	xs->op.u.symdata.symnum = *pos;  in xensyms_start()
71 	if (xensyms_next_sym(xs))  in xensyms_start()
79 	struct xensyms *xs = (struct xensyms *)m->private;  in xensyms_next()  local
81 	xs->op.u.symdata.symnum = ++(*pos);  in xensyms_next()
83 	if (xensyms_next_sym(xs))  in xensyms_next()
91 	struct xensyms *xs = (struct xensyms *)m->private;  in xensyms_show()  local
92 	struct xenpf_symdata *symdata = &xs->op.u.symdata;  in xensyms_show()
95 		   symdata->type, xs->name);  in xensyms_show()
114 	struct xensyms *xs;  in xensyms_open()  local
123 	xs = (struct xensyms *)m->private;  in xensyms_open()
125 	xs->namelen = XEN_KSYM_NAME_LEN + 1;  in xensyms_open()
126 	xs->name = kzalloc(xs->namelen, GFP_KERNEL);  in xensyms_open()
127 	if (!xs->name) {  in xensyms_open()
131 	set_xen_guest_handle(xs->op.u.symdata.name, xs->name);  in xensyms_open()
132 	xs->op.cmd = XENPF_get_symbol;  in xensyms_open()
133 	xs->op.u.symdata.namelen = xs->namelen;  in xensyms_open()
141 	struct xensyms *xs = (struct xensyms *)m->private;  in xensyms_release()  local
143 	kfree(xs->name);  in xensyms_release()