aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-08-28 19:41:05 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2009-08-28 19:41:05 -1000
commitadda766193ea1cf3137484a9521972d080d0b7af (patch)
treefa7552d8051397ac7e1497f7239e3a7afb0ed89b
parent8442edc18843491978f7820f87dbdf293461290e (diff)
parente29b3ee3b005897fbdcfdd4b3190776e38739d70 (diff)
downloadmrst-s0i3-test-adda766193ea1cf3137484a9521972d080d0b7af.tar.gz
mrst-s0i3-test-adda766193ea1cf3137484a9521972d080d0b7af.tar.xz
mrst-s0i3-test-adda766193ea1cf3137484a9521972d080d0b7af.zip
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI: don't free non-existent backlight in acpi video module toshiba_acpi: return on a fail path ACPICA: Windows compatibility fix: same buffer/string store
-rw-r--r--drivers/acpi/acpica/exstorob.c12
-rw-r--r--drivers/acpi/video.c7
-rw-r--r--drivers/platform/x86/toshiba_acpi.c1
3 files changed, 18 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c
index 67340cc7014..257706e7734 100644
--- a/drivers/acpi/acpica/exstorob.c
+++ b/drivers/acpi/acpica/exstorob.c
@@ -70,6 +70,12 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
ACPI_FUNCTION_TRACE_PTR(ex_store_buffer_to_buffer, source_desc);
+ /* If Source and Target are the same, just return */
+
+ if (source_desc == target_desc) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
/* We know that source_desc is a buffer by now */
buffer = ACPI_CAST_PTR(u8, source_desc->buffer.pointer);
@@ -161,6 +167,12 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
ACPI_FUNCTION_TRACE_PTR(ex_store_string_to_string, source_desc);
+ /* If Source and Target are the same, just return */
+
+ if (source_desc == target_desc) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
/* We know that source_desc is a string by now */
buffer = ACPI_CAST_PTR(u8, source_desc->string.pointer);
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 8851315ce85..60ea984c84a 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -2004,8 +2004,11 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
status = acpi_remove_notify_handler(device->dev->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_device_notify);
- sysfs_remove_link(&device->backlight->dev.kobj, "device");
- backlight_device_unregister(device->backlight);
+ if (device->backlight) {
+ sysfs_remove_link(&device->backlight->dev.kobj, "device");
+ backlight_device_unregister(device->backlight);
+ device->backlight = NULL;
+ }
if (device->cdev) {
sysfs_remove_link(&device->dev->dev.kobj,
"thermal_cooling");
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 81d31ea507d..51c0a8bee41 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -335,6 +335,7 @@ static void bt_rfkill_poll(struct rfkill *rfkill, void *data)
if (hci_result != HCI_SUCCESS) {
/* Can't do anything useful */
mutex_unlock(&dev->mutex);
+ return;
}
new_rfk_state = value;