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-rw-r--r--Documentation/kernel-parameters.txt3
-rw-r--r--drivers/acpi/hotkey.c2
-rw-r--r--drivers/acpi/thermal.c4
-rw-r--r--drivers/acpi/video.c2
4 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b3a6187e530..a853e860786 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -147,6 +147,9 @@ running once the system is up.
acpi_irq_isa= [HW,ACPI] If irq_balance, mark listed IRQs used by ISA
Format: <irq>,<irq>...
+ acpi_os_name= [HW,ACPI] Tell ACPI BIOS the name of the OS
+ Format: To spoof as Windows 98: ="Microsoft Windows"
+
acpi_osi= [HW,ACPI] empty param disables _OSI
acpi_serialize [HW,ACPI] force serialization of AML methods
diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c
index 2e2e4051dfa..c25b2b92edc 100644
--- a/drivers/acpi/hotkey.c
+++ b/drivers/acpi/hotkey.c
@@ -723,6 +723,8 @@ get_parms(char *config_record,
goto do_fail;
count = tmp1 - tmp;
*action_handle = (char *)kmalloc(count + 1, GFP_KERNEL);
+ if (!*action_handle)
+ goto do_fail;
strncpy(*action_handle, tmp, count);
*(*action_handle + count) = 0;
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index fba9c230a84..a29af58cb4c 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -941,8 +941,10 @@ acpi_thermal_write_trip_points(struct file *file,
memset(limit_string, 0, ACPI_THERMAL_MAX_LIMIT_STR_LEN);
active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL);
- if (!active)
+ if (!active) {
+ kfree(limit_string);
return_VALUE(-ENOMEM);
+ }
if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument\n"));
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index bd488751837..724149d72d9 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -323,7 +323,7 @@ acpi_video_device_lcd_query_levels(struct acpi_video_device *device,
if (!ACPI_SUCCESS(status))
return_VALUE(status);
obj = (union acpi_object *)buffer.pointer;
- if (!obj && (obj->type != ACPI_TYPE_PACKAGE)) {
+ if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _BCL data\n"));
status = -EFAULT;
goto err;