[PATCH 5.8 111/255] drm/virtio: fix memory leak in virtio_gpu_cleanup_object()
From: Greg Kroah-Hartman
Date: Tue Sep 01 2020 - 12:07:12 EST
From: Xin He <hexin.op@xxxxxxxxxxxxx>
[ Upstream commit 836b194d65782aaec4485a07d2aab52d3f698505 ]
Before setting shmem->pages to NULL, kfree() should
be called.
Signed-off-by: Xin He <hexin.op@xxxxxxxxxxxxx>
Reviewed-by: Qi Liu <liuqi.16@xxxxxxxxxxxxx>
Link: http://patchwork.freedesktop.org/patch/msgid/20200722051851.72662-1-hexin.op@xxxxxxxxxxxxx
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_object.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index 6ccbd01cd888c..703b5cd517519 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -79,6 +79,7 @@ void virtio_gpu_cleanup_object(struct virtio_gpu_object *bo)
}
sg_free_table(shmem->pages);
+ kfree(shmem->pages);
shmem->pages = NULL;
drm_gem_shmem_unpin(&bo->base.base);
}
--
2.25.1