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nouveau / ACPI: fix memory leak in ACPI _DSM related code

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Fix memory leak in function nouveau_optimus_dsm() and nouveau_dsm().

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Jiang Liu 2013-12-19 20:38:21 +08:00 committed by Rafael J. Wysocki
parent d5c3d79e5e
commit 4988d0aeb6
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/nouveau/nouveau_acpi.c
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@ -111,6 +111,7 @@ static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t *
if (obj->type == ACPI_TYPE_INTEGER)
if (obj->integer.value == 0x80000002) {
kfree(output.pointer);
return -ENODEV;
}
@ -157,8 +158,10 @@ static int nouveau_dsm(acpi_handle handle, int func, int arg, uint32_t *result)
obj = (union acpi_object *)output.pointer;
if (obj->type == ACPI_TYPE_INTEGER)
if (obj->integer.value == 0x80000002)
if (obj->integer.value == 0x80000002) {
kfree(output.pointer);
return -ENODEV;
}
if (obj->type == ACPI_TYPE_BUFFER) {
if (obj->buffer.length == 4 && result) {