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-rw-r--r--drivers/acpi/ac.c2
-rw-r--r--drivers/acpi/acpi_memhotplug.c21
-rw-r--r--drivers/acpi/battery.c3
-rw-r--r--drivers/acpi/bus.c11
-rw-r--r--drivers/acpi/dock.c13
-rw-r--r--drivers/acpi/hotkey.c281
-rw-r--r--drivers/acpi/i2c_ec.c2
-rw-r--r--drivers/acpi/osl.c10
-rw-r--r--drivers/acpi/sbs.c3
-rw-r--r--drivers/acpi/scan.c12
-rw-r--r--drivers/acpi/utils.c2
11 files changed, 170 insertions, 190 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 96309b9660da..11abc7bf777e 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -285,6 +285,8 @@ static int __init acpi_ac_init(void)
285{ 285{
286 int result; 286 int result;
287 287
288 if (acpi_disabled)
289 return -ENODEV;
288 290
289 acpi_ac_dir = acpi_lock_ac_dir(); 291 acpi_ac_dir = acpi_lock_ac_dir();
290 if (!acpi_ac_dir) 292 if (!acpi_ac_dir)
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 81e970adeab3..1dda370f402b 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -129,11 +129,15 @@ acpi_memory_get_device_resources(struct acpi_memory_device *mem_device)
129 struct acpi_memory_info *info, *n; 129 struct acpi_memory_info *info, *n;
130 130
131 131
132 if (!list_empty(&mem_device->res_list))
133 return 0;
134
132 status = acpi_walk_resources(mem_device->device->handle, METHOD_NAME__CRS, 135 status = acpi_walk_resources(mem_device->device->handle, METHOD_NAME__CRS,
133 acpi_memory_get_resource, mem_device); 136 acpi_memory_get_resource, mem_device);
134 if (ACPI_FAILURE(status)) { 137 if (ACPI_FAILURE(status)) {
135 list_for_each_entry_safe(info, n, &mem_device->res_list, list) 138 list_for_each_entry_safe(info, n, &mem_device->res_list, list)
136 kfree(info); 139 kfree(info);
140 INIT_LIST_HEAD(&mem_device->res_list);
137 return -EINVAL; 141 return -EINVAL;
138 } 142 }
139 143
@@ -230,17 +234,10 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
230 * (i.e. memory-hot-remove function) 234 * (i.e. memory-hot-remove function)
231 */ 235 */
232 list_for_each_entry(info, &mem_device->res_list, list) { 236 list_for_each_entry(info, &mem_device->res_list, list) {
233 u64 start_pfn, end_pfn; 237 if (info->enabled) { /* just sanity check...*/
234
235 start_pfn = info->start_addr >> PAGE_SHIFT;
236 end_pfn = (info->start_addr + info->length - 1) >> PAGE_SHIFT;
237
238 if (pfn_valid(start_pfn) || pfn_valid(end_pfn)) {
239 /* already enabled. try next area */
240 num_enabled++; 238 num_enabled++;
241 continue; 239 continue;
242 } 240 }
243
244 result = add_memory(node, info->start_addr, info->length); 241 result = add_memory(node, info->start_addr, info->length);
245 if (result) 242 if (result)
246 continue; 243 continue;
@@ -487,10 +484,8 @@ acpi_memory_register_notify_handler(acpi_handle handle,
487 484
488 485
489 status = is_memory_device(handle); 486 status = is_memory_device(handle);
490 if (ACPI_FAILURE(status)){ 487 if (ACPI_FAILURE(status))
491 ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device"));
492 return AE_OK; /* continue */ 488 return AE_OK; /* continue */
493 }
494 489
495 status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY, 490 status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
496 acpi_memory_device_notify, NULL); 491 acpi_memory_device_notify, NULL);
@@ -506,10 +501,8 @@ acpi_memory_deregister_notify_handler(acpi_handle handle,
506 501
507 502
508 status = is_memory_device(handle); 503 status = is_memory_device(handle);
509 if (ACPI_FAILURE(status)){ 504 if (ACPI_FAILURE(status))
510 ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device"));
511 return AE_OK; /* continue */ 505 return AE_OK; /* continue */
512 }
513 506
514 status = acpi_remove_notify_handler(handle, 507 status = acpi_remove_notify_handler(handle,
515 ACPI_SYSTEM_NOTIFY, 508 ACPI_SYSTEM_NOTIFY,
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 6e5221707d97..9810e2a55d0a 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -757,6 +757,9 @@ static int __init acpi_battery_init(void)
757{ 757{
758 int result; 758 int result;
759 759
760 if (acpi_disabled)
761 return -ENODEV;
762
760 acpi_battery_dir = acpi_lock_battery_dir(); 763 acpi_battery_dir = acpi_lock_battery_dir();
761 if (!acpi_battery_dir) 764 if (!acpi_battery_dir)
762 return -ENODEV; 765 return -ENODEV;
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index b2977695e120..279c4bac92e5 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -25,6 +25,7 @@
25#include <linux/module.h> 25#include <linux/module.h>
26#include <linux/init.h> 26#include <linux/init.h>
27#include <linux/ioport.h> 27#include <linux/ioport.h>
28#include <linux/kernel.h>
28#include <linux/list.h> 29#include <linux/list.h>
29#include <linux/sched.h> 30#include <linux/sched.h>
30#include <linux/pm.h> 31#include <linux/pm.h>
@@ -68,7 +69,8 @@ int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device)
68 69
69 status = acpi_get_data(handle, acpi_bus_data_handler, (void **)device); 70 status = acpi_get_data(handle, acpi_bus_data_handler, (void **)device);
70 if (ACPI_FAILURE(status) || !*device) { 71 if (ACPI_FAILURE(status) || !*device) {
71 ACPI_EXCEPTION((AE_INFO, status, "No context for object [%p]", handle)); 72 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No context for object [%p]\n",
73 handle));
72 return -ENODEV; 74 return -ENODEV;
73 } 75 }
74 76
@@ -192,7 +194,7 @@ int acpi_bus_set_power(acpi_handle handle, int state)
192 /* Make sure this is a valid target state */ 194 /* Make sure this is a valid target state */
193 195
194 if (!device->flags.power_manageable) { 196 if (!device->flags.power_manageable) {
195 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device `[%s]' is not power manageable", 197 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device `[%s]' is not power manageable\n",
196 device->kobj.name)); 198 device->kobj.name));
197 return -ENODEV; 199 return -ENODEV;
198 } 200 }
@@ -738,7 +740,10 @@ static int __init acpi_init(void)
738 return -ENODEV; 740 return -ENODEV;
739 } 741 }
740 742
741 firmware_register(&acpi_subsys); 743 result = firmware_register(&acpi_subsys);
744 if (result < 0)
745 printk(KERN_WARNING "%s: firmware_register error: %d\n",
746 __FUNCTION__, result);
742 747
743 result = acpi_bus_init(); 748 result = acpi_bus_init();
744 749
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 1c0a39d8b04e..578b99b71d9c 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -58,8 +58,8 @@ struct dock_dependent_device {
58}; 58};
59 59
60#define DOCK_DOCKING 0x00000001 60#define DOCK_DOCKING 0x00000001
61#define DOCK_EVENT KOBJ_DOCK 61#define DOCK_EVENT 3
62#define UNDOCK_EVENT KOBJ_UNDOCK 62#define UNDOCK_EVENT 2
63 63
64static struct dock_station *dock_station; 64static struct dock_station *dock_station;
65 65
@@ -322,11 +322,10 @@ static void hotplug_dock_devices(struct dock_station *ds, u32 event)
322 322
323static void dock_event(struct dock_station *ds, u32 event, int num) 323static void dock_event(struct dock_station *ds, u32 event, int num)
324{ 324{
325 struct acpi_device *device; 325 /*
326 326 * we don't do events until someone tells me that
327 device = dock_create_acpi_device(ds->handle); 327 * they would like to have them.
328 if (device) 328 */
329 kobject_uevent(&device->kobj, num);
330} 329}
331 330
332/** 331/**
diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c
index 32c9d88fd196..1ba2db671865 100644
--- a/drivers/acpi/hotkey.c
+++ b/drivers/acpi/hotkey.c
@@ -91,6 +91,14 @@ enum {
91 HK_EVENT_ENTERRING_S5, 91 HK_EVENT_ENTERRING_S5,
92}; 92};
93 93
94enum conf_entry_enum {
95 bus_handle = 0,
96 bus_method = 1,
97 action_handle = 2,
98 method = 3,
99 LAST_CONF_ENTRY
100};
101
94/* procdir we use */ 102/* procdir we use */
95static struct proc_dir_entry *hotkey_proc_dir; 103static struct proc_dir_entry *hotkey_proc_dir;
96static struct proc_dir_entry *hotkey_config; 104static struct proc_dir_entry *hotkey_config;
@@ -244,19 +252,15 @@ static int hotkey_info_open_fs(struct inode *inode, struct file *file)
244 252
245static char *format_result(union acpi_object *object) 253static char *format_result(union acpi_object *object)
246{ 254{
247 char *buf = NULL; 255 char *buf;
248
249 buf = (char *)kmalloc(RESULT_STR_LEN, GFP_KERNEL);
250 if (buf)
251 memset(buf, 0, RESULT_STR_LEN);
252 else
253 goto do_fail;
254 256
257 buf = kzalloc(RESULT_STR_LEN, GFP_KERNEL);
258 if (!buf)
259 return NULL;
255 /* Now, just support integer type */ 260 /* Now, just support integer type */
256 if (object->type == ACPI_TYPE_INTEGER) 261 if (object->type == ACPI_TYPE_INTEGER)
257 sprintf(buf, "%d\n", (u32) object->integer.value); 262 sprintf(buf, "%d\n", (u32) object->integer.value);
258 do_fail: 263 return buf;
259 return (buf);
260} 264}
261 265
262static int hotkey_polling_seq_show(struct seq_file *seq, void *offset) 266static int hotkey_polling_seq_show(struct seq_file *seq, void *offset)
@@ -486,98 +490,102 @@ static void free_hotkey_device(union acpi_hotkey *key)
486 490
487static void free_hotkey_buffer(union acpi_hotkey *key) 491static void free_hotkey_buffer(union acpi_hotkey *key)
488{ 492{
493 /* key would never be null, action method could be */
489 kfree(key->event_hotkey.action_method); 494 kfree(key->event_hotkey.action_method);
490} 495}
491 496
492static void free_poll_hotkey_buffer(union acpi_hotkey *key) 497static void free_poll_hotkey_buffer(union acpi_hotkey *key)
493{ 498{
499 /* key would never be null, others could be*/
494 kfree(key->poll_hotkey.action_method); 500 kfree(key->poll_hotkey.action_method);
495 kfree(key->poll_hotkey.poll_method); 501 kfree(key->poll_hotkey.poll_method);
496 kfree(key->poll_hotkey.poll_result); 502 kfree(key->poll_hotkey.poll_result);
497} 503}
498static int 504static int
499init_hotkey_device(union acpi_hotkey *key, char *bus_str, char *action_str, 505init_hotkey_device(union acpi_hotkey *key, char **config_entry,
500 char *method, int std_num, int external_num) 506 int std_num, int external_num)
501{ 507{
502 acpi_handle tmp_handle; 508 acpi_handle tmp_handle;
503 acpi_status status = AE_OK; 509 acpi_status status = AE_OK;
504 510
505
506 if (std_num < 0 || IS_POLL(std_num) || !key) 511 if (std_num < 0 || IS_POLL(std_num) || !key)
507 goto do_fail; 512 goto do_fail;
508 513
509 if (!bus_str || !action_str || !method) 514 if (!config_entry[bus_handle] || !config_entry[action_handle]
515 || !config_entry[method])
510 goto do_fail; 516 goto do_fail;
511 517
512 key->link.hotkey_type = ACPI_HOTKEY_EVENT; 518 key->link.hotkey_type = ACPI_HOTKEY_EVENT;
513 key->link.hotkey_standard_num = std_num; 519 key->link.hotkey_standard_num = std_num;
514 key->event_hotkey.flag = 0; 520 key->event_hotkey.flag = 0;
515 key->event_hotkey.action_method = method; 521 key->event_hotkey.action_method = config_entry[method];
516 522
517 status = 523 status = acpi_get_handle(NULL, config_entry[bus_handle],
518 acpi_get_handle(NULL, bus_str, &(key->event_hotkey.bus_handle)); 524 &(key->event_hotkey.bus_handle));
519 if (ACPI_FAILURE(status)) 525 if (ACPI_FAILURE(status))
520 goto do_fail; 526 goto do_fail_zero;
521 key->event_hotkey.external_hotkey_num = external_num; 527 key->event_hotkey.external_hotkey_num = external_num;
522 status = 528 status = acpi_get_handle(NULL, config_entry[action_handle],
523 acpi_get_handle(NULL, action_str,
524 &(key->event_hotkey.action_handle)); 529 &(key->event_hotkey.action_handle));
525 if (ACPI_FAILURE(status)) 530 if (ACPI_FAILURE(status))
526 goto do_fail; 531 goto do_fail_zero;
527 status = acpi_get_handle(key->event_hotkey.action_handle, 532 status = acpi_get_handle(key->event_hotkey.action_handle,
528 method, &tmp_handle); 533 config_entry[method], &tmp_handle);
529 if (ACPI_FAILURE(status)) 534 if (ACPI_FAILURE(status))
530 goto do_fail; 535 goto do_fail_zero;
531 return AE_OK; 536 return AE_OK;
532 do_fail: 537do_fail_zero:
538 key->event_hotkey.action_method = NULL;
539do_fail:
533 return -ENODEV; 540 return -ENODEV;
534} 541}
535 542
536static int 543static int
537init_poll_hotkey_device(union acpi_hotkey *key, 544init_poll_hotkey_device(union acpi_hotkey *key, char **config_entry,
538 char *poll_str, 545 int std_num)
539 char *poll_method,
540 char *action_str, char *action_method, int std_num)
541{ 546{
542 acpi_status status = AE_OK; 547 acpi_status status = AE_OK;
543 acpi_handle tmp_handle; 548 acpi_handle tmp_handle;
544 549
545
546 if (std_num < 0 || IS_EVENT(std_num) || !key) 550 if (std_num < 0 || IS_EVENT(std_num) || !key)
547 goto do_fail; 551 goto do_fail;
548 552 if (!config_entry[bus_handle] ||!config_entry[bus_method] ||
549 if (!poll_str || !poll_method || !action_str || !action_method) 553 !config_entry[action_handle] || !config_entry[method])
550 goto do_fail; 554 goto do_fail;
551 555
552 key->link.hotkey_type = ACPI_HOTKEY_POLLING; 556 key->link.hotkey_type = ACPI_HOTKEY_POLLING;
553 key->link.hotkey_standard_num = std_num; 557 key->link.hotkey_standard_num = std_num;
554 key->poll_hotkey.flag = 0; 558 key->poll_hotkey.flag = 0;
555 key->poll_hotkey.poll_method = poll_method; 559 key->poll_hotkey.poll_method = config_entry[bus_method];
556 key->poll_hotkey.action_method = action_method; 560 key->poll_hotkey.action_method = config_entry[method];
557 561
558 status = 562 status = acpi_get_handle(NULL, config_entry[bus_handle],
559 acpi_get_handle(NULL, poll_str, &(key->poll_hotkey.poll_handle)); 563 &(key->poll_hotkey.poll_handle));
560 if (ACPI_FAILURE(status)) 564 if (ACPI_FAILURE(status))
561 goto do_fail; 565 goto do_fail_zero;
562 status = acpi_get_handle(key->poll_hotkey.poll_handle, 566 status = acpi_get_handle(key->poll_hotkey.poll_handle,
563 poll_method, &tmp_handle); 567 config_entry[bus_method], &tmp_handle);
564 if (ACPI_FAILURE(status)) 568 if (ACPI_FAILURE(status))
565 goto do_fail; 569 goto do_fail_zero;
566 status = 570 status =
567 acpi_get_handle(NULL, action_str, 571 acpi_get_handle(NULL, config_entry[action_handle],
568 &(key->poll_hotkey.action_handle)); 572 &(key->poll_hotkey.action_handle));
569 if (ACPI_FAILURE(status)) 573 if (ACPI_FAILURE(status))
570 goto do_fail; 574 goto do_fail_zero;
571 status = acpi_get_handle(key->poll_hotkey.action_handle, 575 status = acpi_get_handle(key->poll_hotkey.action_handle,
572 action_method, &tmp_handle); 576 config_entry[method], &tmp_handle);
573 if (ACPI_FAILURE(status)) 577 if (ACPI_FAILURE(status))
574 goto do_fail; 578 goto do_fail_zero;
575 key->poll_hotkey.poll_result = 579 key->poll_hotkey.poll_result =
576 (union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL); 580 (union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL);
577 if (!key->poll_hotkey.poll_result) 581 if (!key->poll_hotkey.poll_result)
578 goto do_fail; 582 goto do_fail_zero;
579 return AE_OK; 583 return AE_OK;
580 do_fail: 584
585do_fail_zero:
586 key->poll_hotkey.poll_method = NULL;
587 key->poll_hotkey.action_method = NULL;
588do_fail:
581 return -ENODEV; 589 return -ENODEV;
582} 590}
583 591
@@ -652,17 +660,18 @@ static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset)
652} 660}
653 661
654static int 662static int
655get_parms(char *config_record, 663get_parms(char *config_record, int *cmd, char **config_entry,
656 int *cmd, 664 int *internal_event_num, int *external_event_num)
657 char **bus_handle,
658 char **bus_method,
659 char **action_handle,
660 char **method, int *internal_event_num, int *external_event_num)
661{ 665{
666/* the format of *config_record =
667 * "1:\d+:*" : "cmd:internal_event_num"
668 * "\d+:\w+:\w+:\w+:\w+:\d+:\d+" :
669 * "cmd:bus_handle:bus_method:action_handle:method:internal_event_num:external_event_num"
670 */
662 char *tmp, *tmp1, count; 671 char *tmp, *tmp1, count;
672 int i;
663 673
664 sscanf(config_record, "%d", cmd); 674 sscanf(config_record, "%d", cmd);
665
666 if (*cmd == 1) { 675 if (*cmd == 1) {
667 if (sscanf(config_record, "%d:%d", cmd, internal_event_num) != 676 if (sscanf(config_record, "%d:%d", cmd, internal_event_num) !=
668 2) 677 2)
@@ -674,59 +683,27 @@ get_parms(char *config_record,
674 if (!tmp) 683 if (!tmp)
675 goto do_fail; 684 goto do_fail;
676 tmp++; 685 tmp++;
677 tmp1 = strchr(tmp, ':'); 686 for (i = 0; i < LAST_CONF_ENTRY; i++) {
678 if (!tmp1) 687 tmp1 = strchr(tmp, ':');
679 goto do_fail; 688 if (!tmp1) {
680 689 goto do_fail;
681 count = tmp1 - tmp; 690 }
682 *bus_handle = (char *)kmalloc(count + 1, GFP_KERNEL); 691 count = tmp1 - tmp;
683 if (!*bus_handle) 692 config_entry[i] = kzalloc(count + 1, GFP_KERNEL);
684 goto do_fail; 693 if (!config_entry[i])
685 strncpy(*bus_handle, tmp, count); 694 goto handle_failure;
686 *(*bus_handle + count) = 0; 695 strncpy(config_entry[i], tmp, count);
687 696 tmp = tmp1 + 1;
688 tmp = tmp1; 697 }
689 tmp++; 698 if (sscanf(tmp, "%d:%d", internal_event_num, external_event_num) <= 0)
690 tmp1 = strchr(tmp, ':'); 699 goto handle_failure;
691 if (!tmp1) 700 if (!IS_OTHERS(*internal_event_num)) {
692 goto do_fail; 701 return 6;
693 count = tmp1 - tmp; 702 }
694 *bus_method = (char *)kmalloc(count + 1, GFP_KERNEL); 703handle_failure:
695 if (!*bus_method) 704 while (i-- > 0)
696 goto do_fail; 705 kfree(config_entry[i]);
697 strncpy(*bus_method, tmp, count); 706do_fail:
698 *(*bus_method + count) = 0;
699
700 tmp = tmp1;
701 tmp++;
702 tmp1 = strchr(tmp, ':');
703 if (!tmp1)
704 goto do_fail;
705 count = tmp1 - tmp;
706 *action_handle = (char *)kmalloc(count + 1, GFP_KERNEL);
707 if (!*action_handle)
708 goto do_fail;
709 strncpy(*action_handle, tmp, count);
710 *(*action_handle + count) = 0;
711
712 tmp = tmp1;
713 tmp++;
714 tmp1 = strchr(tmp, ':');
715 if (!tmp1)
716 goto do_fail;
717 count = tmp1 - tmp;
718 *method = (char *)kmalloc(count + 1, GFP_KERNEL);
719 if (!*method)
720 goto do_fail;
721 strncpy(*method, tmp, count);
722 *(*method + count) = 0;
723
724 if (sscanf(tmp1 + 1, "%d:%d", internal_event_num, external_event_num) <=
725 0)
726 goto do_fail;
727
728 return 6;
729 do_fail:
730 return -1; 707 return -1;
731} 708}
732 709
@@ -736,50 +713,34 @@ static ssize_t hotkey_write_config(struct file *file,
736 size_t count, loff_t * data) 713 size_t count, loff_t * data)
737{ 714{
738 char *config_record = NULL; 715 char *config_record = NULL;
739 char *bus_handle = NULL; 716 char *config_entry[LAST_CONF_ENTRY];
740 char *bus_method = NULL;
741 char *action_handle = NULL;
742 char *method = NULL;
743 int cmd, internal_event_num, external_event_num; 717 int cmd, internal_event_num, external_event_num;
744 int ret = 0; 718 int ret = 0;
745 union acpi_hotkey *key = NULL; 719 union acpi_hotkey *key = kzalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
746 720
721 if (!key)
722 return -ENOMEM;
747 723
748 config_record = (char *)kmalloc(count + 1, GFP_KERNEL); 724 config_record = kzalloc(count + 1, GFP_KERNEL);
749 if (!config_record) 725 if (!config_record) {
726 kfree(key);
750 return -ENOMEM; 727 return -ENOMEM;
728 }
751 729
752 if (copy_from_user(config_record, buffer, count)) { 730 if (copy_from_user(config_record, buffer, count)) {
753 kfree(config_record); 731 kfree(config_record);
732 kfree(key);
754 printk(KERN_ERR PREFIX "Invalid data\n"); 733 printk(KERN_ERR PREFIX "Invalid data\n");
755 return -EINVAL; 734 return -EINVAL;
756 } 735 }
757 config_record[count] = 0; 736 ret = get_parms(config_record, &cmd, config_entry,
758 737 &internal_event_num, &external_event_num);
759 ret = get_parms(config_record,
760 &cmd,
761 &bus_handle,
762 &bus_method,
763 &action_handle,
764 &method, &internal_event_num, &external_event_num);
765
766 kfree(config_record); 738 kfree(config_record);
767 if (IS_OTHERS(internal_event_num))
768 goto do_fail;
769 if (ret != 6) { 739 if (ret != 6) {
770 do_fail:
771 kfree(bus_handle);
772 kfree(bus_method);
773 kfree(action_handle);
774 kfree(method);
775 printk(KERN_ERR PREFIX "Invalid data format ret=%d\n", ret); 740 printk(KERN_ERR PREFIX "Invalid data format ret=%d\n", ret);
776 return -EINVAL; 741 return -EINVAL;
777 } 742 }
778 743
779 key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
780 if (!key)
781 goto do_fail;
782 memset(key, 0, sizeof(union acpi_hotkey));
783 if (cmd == 1) { 744 if (cmd == 1) {
784 union acpi_hotkey *tmp = NULL; 745 union acpi_hotkey *tmp = NULL;
785 tmp = get_hotkey_by_event(&global_hotkey_list, 746 tmp = get_hotkey_by_event(&global_hotkey_list,
@@ -791,34 +752,19 @@ static ssize_t hotkey_write_config(struct file *file,
791 goto cont_cmd; 752 goto cont_cmd;
792 } 753 }
793 if (IS_EVENT(internal_event_num)) { 754 if (IS_EVENT(internal_event_num)) {
794 kfree(bus_method); 755 if (init_hotkey_device(key, config_entry,
795 ret = init_hotkey_device(key, bus_handle, action_handle, method, 756 internal_event_num, external_event_num))
796 internal_event_num, 757 goto init_hotkey_fail;
797 external_event_num); 758 } else {
798 } else 759 if (init_poll_hotkey_device(key, config_entry,
799 ret = init_poll_hotkey_device(key, bus_handle, bus_method, 760 internal_event_num))
800 action_handle, method, 761 goto init_poll_hotkey_fail;
801 internal_event_num);
802 if (ret) {
803 kfree(bus_handle);
804 kfree(action_handle);
805 if (IS_EVENT(internal_event_num))
806 free_hotkey_buffer(key);
807 else
808 free_poll_hotkey_buffer(key);
809 kfree(key);
810 printk(KERN_ERR PREFIX "Invalid hotkey\n");
811 return -EINVAL;
812 } 762 }
813 763cont_cmd:
814 cont_cmd:
815 kfree(bus_handle);
816 kfree(action_handle);
817
818 switch (cmd) { 764 switch (cmd) {
819 case 0: 765 case 0:
820 if (get_hotkey_by_event 766 if (get_hotkey_by_event(&global_hotkey_list,
821 (&global_hotkey_list, key->link.hotkey_standard_num)) 767 key->link.hotkey_standard_num))
822 goto fail_out; 768 goto fail_out;
823 else 769 else
824 hotkey_add(key); 770 hotkey_add(key);
@@ -827,6 +773,7 @@ static ssize_t hotkey_write_config(struct file *file,
827 hotkey_remove(key); 773 hotkey_remove(key);
828 break; 774 break;
829 case 2: 775 case 2:
776 /* key is kfree()ed if matched*/
830 if (hotkey_update(key)) 777 if (hotkey_update(key))
831 goto fail_out; 778 goto fail_out;
832 break; 779 break;
@@ -835,11 +782,22 @@ static ssize_t hotkey_write_config(struct file *file,
835 break; 782 break;
836 } 783 }
837 return count; 784 return count;
838 fail_out: 785
839 if (IS_EVENT(internal_event_num)) 786init_poll_hotkey_fail: /* failed init_poll_hotkey_device */
840 free_hotkey_buffer(key); 787 kfree(config_entry[bus_method]);
841 else 788 config_entry[bus_method] = NULL;
842 free_poll_hotkey_buffer(key); 789init_hotkey_fail: /* failed init_hotkey_device */
790 kfree(config_entry[method]);
791fail_out:
792 kfree(config_entry[bus_handle]);
793 kfree(config_entry[action_handle]);
794 /* No double free since elements =NULL for error cases */
795 if (IS_EVENT(internal_event_num)) {
796 if (config_entry[bus_method])
797 kfree(config_entry[bus_method]);
798 free_hotkey_buffer(key); /* frees [method] */
799 } else
800 free_poll_hotkey_buffer(key); /* frees [bus_method]+[method] */
843 kfree(key); 801 kfree(key);
844 printk(KERN_ERR PREFIX "invalid key\n"); 802 printk(KERN_ERR PREFIX "invalid key\n");
845 return -EINVAL; 803 return -EINVAL;
@@ -923,10 +881,9 @@ static ssize_t hotkey_execute_aml_method(struct file *file,
923 union acpi_hotkey *key; 881 union acpi_hotkey *key;
924 882
925 883
926 arg = (char *)kmalloc(count + 1, GFP_KERNEL); 884 arg = kzalloc(count + 1, GFP_KERNEL);
927 if (!arg) 885 if (!arg)
928 return -ENOMEM; 886 return -ENOMEM;
929 arg[count] = 0;
930 887
931 if (copy_from_user(arg, buffer, count)) { 888 if (copy_from_user(arg, buffer, count)) {
932 kfree(arg); 889 kfree(arg);
diff --git a/drivers/acpi/i2c_ec.c b/drivers/acpi/i2c_ec.c
index 84239d51dc0c..6809c283ec58 100644
--- a/drivers/acpi/i2c_ec.c
+++ b/drivers/acpi/i2c_ec.c
@@ -330,7 +330,7 @@ static int acpi_ec_hc_add(struct acpi_device *device)
330 status = acpi_evaluate_integer(ec_hc->handle, "_EC", NULL, &val); 330 status = acpi_evaluate_integer(ec_hc->handle, "_EC", NULL, &val);
331 if (ACPI_FAILURE(status)) { 331 if (ACPI_FAILURE(status)) {
332 ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Error obtaining _EC\n")); 332 ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Error obtaining _EC\n"));
333 kfree(ec_hc->smbus); 333 kfree(ec_hc);
334 kfree(smbus); 334 kfree(smbus);
335 return -EIO; 335 return -EIO;
336 } 336 }
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index b7d1514cd199..507f051d1cef 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -746,6 +746,16 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
746 ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n", 746 ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n",
747 handle, units, timeout)); 747 handle, units, timeout));
748 748
749 /*
750 * This can be called during resume with interrupts off.
751 * Like boot-time, we should be single threaded and will
752 * always get the lock if we try -- timeout or not.
753 * If this doesn't succeed, then we will oops courtesy of
754 * might_sleep() in down().
755 */
756 if (!down_trylock(sem))
757 return AE_OK;
758
749 switch (timeout) { 759 switch (timeout) {
750 /* 760 /*
751 * No Wait: 761 * No Wait:
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index db7b350a5035..62bef0b3b614 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -1714,6 +1714,9 @@ static int __init acpi_sbs_init(void)
1714{ 1714{
1715 int result = 0; 1715 int result = 0;
1716 1716
1717 if (acpi_disabled)
1718 return -ENODEV;
1719
1717 init_MUTEX(&sbs_sem); 1720 init_MUTEX(&sbs_sem);
1718 1721
1719 if (capacity_mode != DEF_CAPACITY_UNIT 1722 if (capacity_mode != DEF_CAPACITY_UNIT
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 5fcb50c7b778..698a1540e303 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -4,6 +4,7 @@
4 4
5#include <linux/module.h> 5#include <linux/module.h>
6#include <linux/init.h> 6#include <linux/init.h>
7#include <linux/kernel.h>
7#include <linux/acpi.h> 8#include <linux/acpi.h>
8 9
9#include <acpi/acpi_drivers.h> 10#include <acpi/acpi_drivers.h>
@@ -113,6 +114,8 @@ static struct kset acpi_namespace_kset = {
113static void acpi_device_register(struct acpi_device *device, 114static void acpi_device_register(struct acpi_device *device,
114 struct acpi_device *parent) 115 struct acpi_device *parent)
115{ 116{
117 int err;
118
116 /* 119 /*
117 * Linkage 120 * Linkage
118 * ------- 121 * -------
@@ -138,7 +141,10 @@ static void acpi_device_register(struct acpi_device *device,
138 device->kobj.parent = &parent->kobj; 141 device->kobj.parent = &parent->kobj;
139 device->kobj.ktype = &ktype_acpi_ns; 142 device->kobj.ktype = &ktype_acpi_ns;
140 device->kobj.kset = &acpi_namespace_kset; 143 device->kobj.kset = &acpi_namespace_kset;
141 kobject_register(&device->kobj); 144 err = kobject_register(&device->kobj);
145 if (err < 0)
146 printk(KERN_WARNING "%s: kobject_register error: %d\n",
147 __FUNCTION__, err);
142 create_sysfs_device_files(device); 148 create_sysfs_device_files(device);
143} 149}
144 150
@@ -1450,7 +1456,9 @@ static int __init acpi_scan_init(void)
1450 if (acpi_disabled) 1456 if (acpi_disabled)
1451 return 0; 1457 return 0;
1452 1458
1453 kset_register(&acpi_namespace_kset); 1459 result = kset_register(&acpi_namespace_kset);
1460 if (result < 0)
1461 printk(KERN_ERR PREFIX "kset_register error: %d\n", result);
1454 1462
1455 result = bus_register(&acpi_bus_type); 1463 result = bus_register(&acpi_bus_type);
1456 if (result) { 1464 if (result) {
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index f48227f4c8c9..d0d84c43a9d4 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -262,7 +262,7 @@ acpi_evaluate_integer(acpi_handle handle,
262 if (!data) 262 if (!data)
263 return AE_BAD_PARAMETER; 263 return AE_BAD_PARAMETER;
264 264
265 element = kmalloc(sizeof(union acpi_object), GFP_KERNEL); 265 element = kmalloc(sizeof(union acpi_object), irqs_disabled() ? GFP_ATOMIC: GFP_KERNEL);
266 if (!element) 266 if (!element)
267 return AE_NO_MEMORY; 267 return AE_NO_MEMORY;
268 268