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Commit df3d90e5 authored by Sachin Kamat's avatar Sachin Kamat Committed by Inki Dae
Browse files

drm/exynos: Fix potential NULL pointer dereference 



Pointer was being dereferenced after freeing.

Fixes the following error:
drivers/gpu/drm/exynos/exynos_drm_g2d.c:323 g2d_userptr_put_dma_addr() error:
dereferencing freed memory 'g2d_userptr'

Signed-off-by: default avatarSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
parent dc625537

drivers/gpu/drm/exynos/exynos_drm_g2d.c

+1 −1
Original line number Diff line number Diff line
@@ -319,8 +319,8 @@ static void g2d_userptr_put_dma_addr(struct drm_device *drm_dev, 
	g2d_userptr->sgt = NULL;



	kfree(g2d_userptr->pages);

	kfree(g2d_userptr);

	g2d_userptr->pages = NULL;

	kfree(g2d_userptr);

	g2d_userptr = NULL;

}