Fix memory leak in function nouveau_optimus_dsm() and nouveau_dsm().
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_acpi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index 95c7404..03d4911 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -110,6 +110,7 @@ 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;
}
@@ -156,8 +157,10 @@ 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) {
--
1.7.10.4
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