1 /***************************************************************************
2 *
3 * sysevent.c : Solaris sysevents
4 *
5 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
6 * Use is subject to license terms.
7 *
8 * Licensed under the Academic Free License version 2.1
9 *
10 **************************************************************************/
11
12 #ifdef HAVE_CONFIG_H
13 #include <config.h>
14 #endif
15
16 #include <stdio.h>
17 #include <unistd.h>
18 #include <stdlib.h>
19 #include <string.h>
20 #include <errno.h>
21 #include <fcntl.h>
22 #include <sys/dkio.h>
23 #include <sys/stat.h>
24 #include <libdevinfo.h>
25 #include <libsysevent.h>
26 #include <sys/sysevent/dev.h>
27 #include <sys/sysevent/pwrctl.h>
28 #include <sys/sysevent/dr.h>
29 #include <glib.h>
30 #include <config_admin.h>
31 #include <kstat.h>
32
33 #include "../osspec.h"
34 #include "../logger.h"
35 #include "../hald.h"
36 #include "../hald_dbus.h"
37 #include "../device_info.h"
38 #include "../util.h"
39 #include "osspec_solaris.h"
40 #include "hotplug.h"
41 #include "devinfo.h"
42 #include "devinfo_storage.h"
43 #include "devinfo_acpi.h"
44 #include "devinfo_usb.h"
45 #include "sysevent.h"
46 #include "devinfo_misc.h"
47 #include "devinfo_cpu.h"
48
49 #ifndef ESC_LOFI
50 #define ESC_LOFI "lofi"
51 #endif
52
53 static void sysevent_dev_handler(sysevent_t *);
54 static gboolean sysevent_iochannel_data(GIOChannel *, GIOCondition, gpointer);
55 static void sysevent_dev_add(gchar *, gchar *);
56 static void sysevent_dev_remove(gchar *, gchar *);
57 static void sysevent_dev_branch(gchar *);
58 static void sysevent_lofi_add(gchar *, gchar *);
59 static void sysevent_lofi_remove(gchar *, gchar *);
60 static void sysevent_devfs_add(gchar *);
61 static void sysevent_pwrctl(gchar *, gchar *, gchar *, gchar *, gchar *,
62 gchar *, uint_t);
63 static void sysevent_process_dr(gchar *, gchar *);
64
65 static sysevent_handle_t *shp;
66
67 static int sysevent_pipe_fds[2];
68 static GIOChannel *sysevent_iochannel;
69 static guint sysevent_source_id;
70
71 gboolean
sysevent_init(void)72 sysevent_init(void)
73 {
74 GError *err = NULL;
75 const char *subcl[6];
76
77 /*
78 * pipe used to serialize sysevents through the main loop
79 */
80 if (pipe (sysevent_pipe_fds) != 0) {
81 HAL_INFO (("pipe() failed errno=%d", errno));
82 return (FALSE);
83 }
84 sysevent_iochannel = g_io_channel_unix_new (sysevent_pipe_fds[0]);
85 if (sysevent_iochannel == NULL) {
86 HAL_INFO (("g_io_channel_unix_new failed"));
87 return (FALSE);
88 }
89 g_io_channel_set_flags (sysevent_iochannel, G_IO_FLAG_NONBLOCK, &err);
90 sysevent_source_id = g_io_add_watch (
91 sysevent_iochannel, G_IO_IN, sysevent_iochannel_data, NULL);
92
93 shp = sysevent_bind_handle(sysevent_dev_handler);
94 if (shp == NULL) {
95 HAL_INFO (("sysevent_bind_handle failed %d", errno));
96 return (FALSE);
97 }
98
99 subcl[0] = ESC_DISK;
100 subcl[1] = ESC_LOFI;
101 subcl[2] = ESC_PRINTER;
102 if (sysevent_subscribe_event(shp, EC_DEV_ADD, subcl, 3) != 0) {
103 HAL_INFO (("subscribe(dev_add) failed %d", errno));
104 sysevent_unbind_handle(shp);
105 return (FALSE);
106 }
107 if (sysevent_subscribe_event(shp, EC_DEV_REMOVE, subcl, 3) != 0) {
108 HAL_INFO (("subscribe(dev_remove) failed %d", errno));
109 sysevent_unbind_handle(shp);
110 return (FALSE);
111 }
112
113 subcl[0] = ESC_DEV_BRANCH_REMOVE;
114 if (sysevent_subscribe_event(shp, EC_DEV_BRANCH, subcl, 1) != 0) {
115 HAL_INFO (("subscribe(dev_branch) failed %d", errno));
116 sysevent_unbind_handle(shp);
117 return (FALSE);
118 }
119
120 subcl[0] = ESC_PWRCTL_ADD;
121 subcl[1] = ESC_PWRCTL_REMOVE;
122 subcl[2] = ESC_PWRCTL_STATE_CHANGE;
123 subcl[3] = ESC_PWRCTL_BRIGHTNESS_UP;
124 subcl[4] = ESC_PWRCTL_BRIGHTNESS_DOWN;
125 subcl[5] = ESC_PWRCTL_POWER_BUTTON;
126 if (sysevent_subscribe_event(shp, EC_PWRCTL, subcl, 6) != 0) {
127 HAL_INFO(("subscribe(dev_add) failed %d", errno));
128 sysevent_unbind_handle(shp);
129 return (FALSE);
130 }
131
132 subcl[0] = ESC_DEVFS_DEVI_ADD;
133 if (sysevent_subscribe_event(shp, EC_DEVFS, subcl, 1) != 0) {
134 HAL_INFO (("subscribe(EC_DEVFS) failed %d", errno));
135 sysevent_unbind_handle(shp);
136 return (FALSE);
137 }
138
139 subcl[0] = ESC_DR_AP_STATE_CHANGE;
140 if (sysevent_subscribe_event(shp, EC_DR, subcl, 1) != 0) {
141 HAL_INFO (("subscribe(dynamic reconfiguration) failed %d",
142 errno));
143 sysevent_unbind_handle(shp);
144 return (FALSE);
145 }
146
147 return (B_TRUE);
148 }
149
150 void
sysevent_fini(void)151 sysevent_fini(void)
152 {
153 sysevent_unbind_handle(shp);
154 shp = NULL;
155 }
156
157 static void
sysevent_dev_handler(sysevent_t * ev)158 sysevent_dev_handler(sysevent_t *ev)
159 {
160 char *class;
161 char *subclass;
162 nvlist_t *attr_list;
163 char *phys_path;
164 char *dev_name;
165 char *dev_hid;
166 char *dev_uid;
167 uint_t dev_index;
168 char s[1024];
169 ssize_t nwritten;
170
171 if ((class = sysevent_get_class_name(ev)) == NULL)
172 return;
173
174 if ((subclass = sysevent_get_subclass_name(ev)) == NULL)
175 return;
176
177 if (sysevent_get_attr_list(ev, &attr_list) != 0)
178 return;
179
180 if (strcmp(class, EC_DEVFS) == 0) {
181 if (nvlist_lookup_string(attr_list, DEVFS_PATHNAME, &phys_path) != 0) {
182 goto out;
183 }
184
185 snprintf(s, sizeof (s), "%s %s %s\n",
186 class, subclass, phys_path);
187 nwritten = write(sysevent_pipe_fds[1], s, strlen(s) + 1);
188
189 HAL_INFO (("sysevent_dev_handler: wrote %d bytes", nwritten));
190 goto out;
191 }
192
193 if (strcmp(class, EC_PWRCTL) == 0) {
194 if (nvlist_lookup_string(attr_list, PWRCTL_DEV_PHYS_PATH,
195 &phys_path) != 0) {
196 goto out;
197 }
198 } else if (strcmp(class, EC_DR) == 0) {
199 if (nvlist_lookup_string(attr_list, DR_AP_ID,
200 &phys_path) != 0) {
201 goto out;
202 }
203 } else if (nvlist_lookup_string(attr_list, DEV_PHYS_PATH, &phys_path)
204 != 0) {
205 goto out;
206 }
207
208 /*
209 * In case of EC_DR, use dev_name to store DR_HINT val
210 */
211 if (strcmp(class, EC_DR) == 0) {
212 if (nvlist_lookup_string(attr_list, DR_HINT, &dev_name) != 0) {
213 goto out;
214 }
215 } else if (nvlist_lookup_string(attr_list, DEV_NAME, &dev_name) != 0) {
216 if (strcmp(class, EC_PWRCTL) == 0) {
217 dev_name = "noname";
218 } else {
219 dev_name = "";
220 }
221 }
222
223 if (nvlist_lookup_string(attr_list, PWRCTL_DEV_HID, &dev_hid) != 0) {
224 dev_hid = "";
225 }
226 if (nvlist_lookup_string(attr_list, PWRCTL_DEV_UID, &dev_uid) != 0) {
227 dev_uid = "";
228 }
229 if (nvlist_lookup_uint32(attr_list, PWRCTL_DEV_INDEX, &dev_index)
230 != 0) {
231 dev_index = 0;
232 }
233
234 snprintf(s, sizeof (s), "%s %s %s %s %s %s %d\n",
235 class, subclass, phys_path, dev_name, dev_hid, dev_uid, dev_index);
236 nwritten = write(sysevent_pipe_fds[1], s, strlen(s) + 1);
237
238 HAL_INFO (("sysevent_dev_handler: wrote %d bytes", nwritten));
239
240 out:
241 nvlist_free(attr_list);
242 }
243
244 static gboolean
sysevent_iochannel_data(GIOChannel * source,GIOCondition condition,gpointer user_data)245 sysevent_iochannel_data (GIOChannel *source,
246 GIOCondition condition,
247 gpointer user_data)
248 {
249 GError *err = NULL;
250 gchar *s = NULL;
251 gsize len;
252 int matches;
253 gchar class[1024];
254 gchar subclass[1024];
255 gchar phys_path[1024];
256 gchar dev_name[1024];
257 gchar dev_uid[1024];
258 gchar dev_hid[1024];
259 uint_t dev_index;
260
261 HAL_INFO (("sysevent_iochannel_data"));
262
263 while (g_io_channel_read_line (sysevent_iochannel, &s, &len, NULL,
264 &err) == G_IO_STATUS_NORMAL) {
265 if (len == 0) {
266 break;
267 }
268 HAL_INFO (("IOChannel val => %s", s));
269 class[0] = subclass[0] = phys_path[0] = dev_name[0] =
270 dev_hid[0] = dev_uid[0] = '\0';
271 matches = sscanf(s, "%s %s %s %s %s %s %d", class, subclass,
272 phys_path, dev_name, dev_hid, dev_uid, &dev_index);
273 g_free (s);
274 s = NULL;
275 if (matches < 3) {
276 continue;
277 }
278 HAL_INFO (("sysevent: class=%s, sub=%s", class, subclass));
279
280 if (strcmp(class, EC_DEV_ADD) == 0) {
281 if ((strcmp(subclass, ESC_DISK) == 0) ||
282 (strcmp(subclass, ESC_PRINTER) == 0)) {
283 sysevent_dev_add(phys_path, dev_name);
284 } else if (strcmp(subclass, ESC_LOFI) == 0) {
285 sysevent_lofi_add(phys_path, dev_name);
286 }
287 } else if (strcmp(class, EC_DEV_REMOVE) == 0) {
288 if ((strcmp(subclass, ESC_DISK) == 0) ||
289 (strcmp(subclass, ESC_PRINTER) == 0)) {
290 sysevent_dev_remove(phys_path, dev_name);
291 } else if (strcmp(subclass, ESC_LOFI) == 0) {
292 sysevent_lofi_remove(phys_path, dev_name);
293 }
294 } else if (strcmp(class, EC_DEV_BRANCH) == 0) {
295 sysevent_dev_branch(phys_path);
296 } else if (strcmp(class, EC_PWRCTL) == 0) {
297 sysevent_pwrctl(class, subclass, phys_path,
298 dev_name, dev_hid, dev_uid, dev_index);
299 } else if (strcmp(class, EC_DEVFS) == 0) {
300 if (strcmp(subclass, ESC_DEVFS_DEVI_ADD) == 0) {
301 sysevent_devfs_add(phys_path);
302 }
303 } else if (strcmp(class, EC_DR) == 0) {
304 /*
305 * Note: AP_ID is stored in phys_path and HINT is
306 * stored in dev_name, to avoid creating seperate
307 * variables and multiple conditions checking
308 */
309 HAL_DEBUG (("In %s, AP_ID-> %s, Hint-> %s", class,
310 phys_path, dev_name));
311 if (strcmp(subclass, ESC_DR_AP_STATE_CHANGE) == 0) {
312 sysevent_process_dr(phys_path, dev_name);
313 }
314 }
315 }
316
317 if (err) {
318 g_error_free (err);
319 }
320
321 return (TRUE);
322 }
323
324 static void
sysevent_dev_add(gchar * devfs_path,gchar * name)325 sysevent_dev_add(gchar *devfs_path, gchar *name)
326 {
327 gchar *parent_devfs_path, *hotplug_devfs_path;
328 HalDevice *parent;
329
330 HAL_INFO (("dev_add: %s %s", name, devfs_path));
331
332 parent = hal_util_find_closest_ancestor (devfs_path, &parent_devfs_path, &hotplug_devfs_path);
333 if (parent == NULL) {
334 return;
335 }
336
337 HAL_INFO (("dev_add: parent=%s", parent_devfs_path));
338 HAL_INFO (("dev_add: real=%s", hotplug_devfs_path));
339
340 devinfo_add (parent, hotplug_devfs_path);
341
342 g_free (parent_devfs_path);
343 g_free (hotplug_devfs_path);
344
345 hotplug_event_process_queue ();
346 }
347
348 static void
sysevent_dev_remove(gchar * devfs_path,gchar * name)349 sysevent_dev_remove(gchar *devfs_path, gchar *name)
350 {
351 HAL_INFO (("dev_remove: %s %s", name, devfs_path));
352
353 devinfo_remove_branch (devfs_path, NULL);
354 hotplug_event_process_queue ();
355 }
356
357 static void
sysevent_dev_branch(gchar * devfs_path)358 sysevent_dev_branch(gchar *devfs_path)
359 {
360 HAL_INFO (("branch_remove: %s", devfs_path));
361
362 devinfo_remove_branch (devfs_path, NULL);
363 hotplug_event_process_queue ();
364 }
365
366 static void
sysevent_lofi_add(gchar * devfs_path,gchar * name)367 sysevent_lofi_add(gchar *devfs_path, gchar *name)
368 {
369 di_node_t node;
370 const char *parent_udi;
371 HalDevice *d, *parent;
372
373 HAL_INFO (("lofi_add: %s %s", name, devfs_path));
374
375 if ((d = hal_device_store_match_key_value_string (hald_get_gdl (),
376 "solaris.devfs_path", devfs_path)) == NULL) {
377 HAL_INFO (("device not found in GDL %s", devfs_path));
378 return;
379 }
380 parent_udi = hal_device_property_get_string (d, "info.parent");
381 if ((parent_udi == NULL) || (strlen(parent_udi) == 0)) {
382 HAL_INFO (("parent not found in GDL %s", parent_udi));
383 return;
384 }
385 if ((parent = hal_device_store_match_key_value_string (hald_get_gdl (),
386 "info.udi", parent_udi)) == NULL) {
387 HAL_INFO (("parent not found in GDL %s", parent_udi));
388 return;
389 }
390
391 if ((node = di_init (devfs_path, DINFOCPYALL)) == DI_NODE_NIL) {
392 HAL_INFO (("device not found in devinfo %s", devfs_path));
393 return;
394 }
395
396 HAL_INFO (("device %s parent %s", hal_device_get_udi (d), parent_udi));
397 devinfo_lofi_add_major (parent, node, devfs_path, NULL, TRUE, d);
398
399 di_fini (node);
400
401 hotplug_event_process_queue ();
402 }
403
404 static void
sysevent_lofi_remove(gchar * parent_devfs_path,gchar * name)405 sysevent_lofi_remove(gchar *parent_devfs_path, gchar *name)
406 {
407 devinfo_lofi_remove_minor(parent_devfs_path, name);
408 hotplug_event_process_queue ();
409 }
410
411 static HalDevice *
lookup_parent(char * devfs_path)412 lookup_parent(char *devfs_path)
413 {
414 gchar *path = NULL;
415 HalDevice *parent = NULL;
416 char *p;
417
418 path = strdup (devfs_path);
419 p = strrchr (path, '/');
420 if (p == NULL) {
421 free (path);
422 return (NULL);
423 }
424 *p = '\0';
425
426 /* Look up the parent node in the gdl. */
427 parent = hal_device_store_match_key_value_string (hald_get_gdl (),
428 "solaris.devfs_path", path);
429
430 if (parent == NULL) {
431 /* Look up the parent node in the tdl. */
432 parent = hal_device_store_match_key_value_string (hald_get_tdl (),
433 "solaris.devfs_path", path);
434 }
435
436 free (path);
437 return (parent);
438 }
439
440 /*
441 * Handle the USB bus devices hot plugging events.
442 */
443 static void
sysevent_devfs_add(gchar * devfs_path)444 sysevent_devfs_add(gchar *devfs_path)
445 {
446 di_node_t node;
447 HalDevice *parent;
448 char *driver_name;
449
450 HAL_INFO (("devfs_handle: %s", devfs_path));
451
452 if ((node = di_init (devfs_path, DINFOCPYALL)) == DI_NODE_NIL) {
453 HAL_INFO (("device not found in devinfo %s", devfs_path));
454 return;
455 }
456
457 if ((driver_name = di_driver_name (node)) == NULL)
458 goto out;
459
460 /* The disk and printer devices are handled by EC_DEV_ADD class. */
461 if ((strcmp (driver_name, "scsa2usb") == 0) ||
462 (strcmp (driver_name, "usbprn") == 0))
463 goto out;
464
465 if ((parent = lookup_parent (devfs_path)) == NULL)
466 goto out;
467
468 devinfo_usb_add (parent, node, devfs_path, NULL);
469
470 di_fini (node);
471
472 hotplug_event_process_queue ();
473
474 return;
475
476 out:
477 di_fini (node);
478 }
479
480 static void
sysevent_pwrctl(gchar * class,gchar * subclass,gchar * phys_path,gchar * dev_name,gchar * dev_hid,gchar * dev_uid,uint_t dev_index)481 sysevent_pwrctl(gchar *class, gchar *subclass, gchar *phys_path,
482 gchar *dev_name, gchar *dev_hid, gchar *dev_uid, uint_t dev_index)
483 {
484 const gchar prefix[] = "/org/freedesktop/Hal/devices/pseudo/acpi_drv_0";
485 gchar udi[HAL_PATH_MAX];
486
487 if (strcmp(dev_hid, "PNP0C0A") == 0) {
488 snprintf(udi, sizeof(udi), "%s_battery%d_0", prefix, dev_index);
489 devinfo_battery_rescan(phys_path, udi);
490 } else if (strcmp(dev_hid, "ACPI0003") == 0) {
491 snprintf(udi, sizeof (udi), "%s_ac%d_0", prefix, dev_index);
492 devinfo_battery_rescan(phys_path, udi);
493 } else if (strcmp(dev_hid, "PNP0C0D") == 0) {
494 snprintf(udi, sizeof (udi), "%s_lid_0", prefix);
495 devinfo_lid_event(subclass, udi);
496 } else if (strcmp(subclass, ESC_PWRCTL_POWER_BUTTON) == 0) {
497 devinfo_power_button_event();
498 } else if ((strcmp(subclass, ESC_PWRCTL_BRIGHTNESS_UP) == 0) ||
499 (strcmp(subclass, ESC_PWRCTL_BRIGHTNESS_DOWN) == 0)) {
500 devinfo_brightness_hotkeys_event(subclass);
501 } else {
502 HAL_INFO(("Unmatched EC_PWRCTL"));
503 }
504 }
505
506 static void
sysevent_dr_remove_cpu()507 sysevent_dr_remove_cpu()
508 {
509
510 HalDeviceStore *gdl;
511 GSList *iter;
512 HalDevice *d, *del_dev;
513 int cpu_id, del_cpuid;
514 kstat_ctl_t *kc;
515 kstat_t *ksp;
516 kstat_named_t *ksdata;
517 const char *cpu_devfs_path;
518 /*
519 * Find the CPU's that are DR removed. For each "processor" device in
520 * HAL device tree, check if it has its corresponding kstat_info. If
521 * not, then, that cpu has been removed and can remove the entry from
522 * HAL entry
523 */
524
525 HAL_DEBUG (("sysevent_dr_remove_cpu()"));
526 kc = kstat_open ();
527 if (kc == NULL) {
528 HAL_INFO (("Error in removing HAL cpu entry during DR. Could"
529 " not open kstat to get cpu info: %s", strerror (errno)));
530 return;
531 }
532
533 /*
534 * Iterate through the HAL device list to get the processor devices
535 */
536 gdl = hald_get_gdl ();
537 iter = gdl->devices;
538
539 while (iter != NULL) {
540 d = HAL_DEVICE (iter->data);
541
542 if (!hal_device_has_property (d, "processor.number")) {
543 iter = iter->next;
544 continue;
545 }
546
547 cpu_id = hal_device_property_get_int (d, "processor.number");
548
549 /*
550 * Check if the above cpu_id has its info in kstat
551 */
552
553 ksp = kstat_lookup (kc, "cpu_info", cpu_id, NULL);
554 if (ksp != NULL) {
555 iter = iter->next;
556 continue;
557 }
558 /*
559 * kstat info not found. Delete the device entry
560 */
561 HAL_INFO ((" Remove CPU entry: %d", cpu_id));
562 iter = iter->next;
563 cpu_devfs_path = hal_device_property_get_string (d,
564 "solaris.devfs_path");
565 if (cpu_devfs_path == NULL) {
566 HAL_INFO (("Could not get cpu_devfs_path to "
567 "remove for cpu_id %d", cpu_id));
568 } else {
569 /*
570 * Remove the cpu device
571 */
572 HAL_DEBUG (("Queue %s for removal", cpu_devfs_path));
573 devinfo_remove_enqueue ((char *)cpu_devfs_path, NULL);
574 hotplug_event_process_queue ();
575 }
576 }
577
578 if (kc) {
579 kstat_close (kc);
580 }
581 }
582
583 int
sysevent_dr_insert_cpu(di_node_t node,void * arg)584 sysevent_dr_insert_cpu(di_node_t node, void *arg)
585 {
586 char *devfs_path;
587 char *device_type = NULL;
588 DevinfoDevHandler *dh;
589
590 dh = &devinfo_cpu_handler;
591 devfs_path = di_devfs_path (node);
592
593 (void) di_prop_lookup_strings (DDI_DEV_T_ANY, node, "device_type",
594 &device_type);
595
596 dh->add (NULL, node, devfs_path, device_type);
597
598 di_devfs_path_free (devfs_path);
599 return (DI_WALK_CONTINUE);
600 }
601
602 /*
603 * Remove/Add the DR event device
604 * Note: Currently it supports only CPU DR events
605 */
606 static void
sysevent_process_dr(gchar * ap_id,gchar * hint_val)607 sysevent_process_dr(gchar *ap_id, gchar *hint_val)
608 {
609 cfga_err_t cfgerr;
610 cfga_list_data_t *cfg_stat;
611 int nlist;
612 char *errstr;
613 di_node_t root_node;
614
615 if ((ap_id == NULL) || (hint_val == NULL))
616 return;
617 HAL_DEBUG (("sysevent_process_dr: %s", ap_id));
618
619 cfgerr = config_list_ext (1, (char *const *)&ap_id, &cfg_stat, &nlist,
620 NULL, NULL, &errstr, 0);
621
622 if (cfgerr != CFGA_OK) {
623 HAL_INFO (("DR sysevent process %d config_list_ext error: %s",
624 ap_id, errstr));
625 goto out;
626 }
627 /*
628 * Check if the device type is CPU
629 */
630 HAL_DEBUG ((" Ap-Type: %s, State: %d", cfg_stat->ap_type,
631 cfg_stat->ap_r_state));
632 if (strcmp (cfg_stat->ap_type, "CPU") == 0) {
633 if (strcmp (hint_val, DR_HINT_REMOVE) == 0) {
634 sysevent_dr_remove_cpu();
635 } else if (strcmp (hint_val, DR_HINT_INSERT) == 0) {
636 /*
637 * Go through the device list and add the new cpu
638 * entries into HAL
639 */
640 if ((root_node =
641 di_init ("/", DINFOCPYALL)) == DI_NODE_NIL) {
642 HAL_INFO (("di_init failed. "\
643 "Cannot insert CPU"));
644 goto out;
645 }
646 di_walk_node (root_node, DI_WALK_CLDFIRST, NULL,
647 sysevent_dr_insert_cpu);
648 di_fini (root_node);
649 hotplug_event_process_queue ();
650 }
651 } else {
652 HAL_INFO (("Not a CPU, so cannot DR"));
653 }
654
655 out:
656 if (cfg_stat)
657 free (cfg_stat);
658 if (errstr)
659 free (errstr);
660 }
661