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Commit aeec1406 authored by Denis Efremov's avatar Denis Efremov Committed by Greg Kroah-Hartman
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drm/panfrost: Use kvfree() to free bo->sgts 



commit 114427b8927a4def2942b2b886f7e4aeae289ccb upstream.

Use kvfree() to free bo->sgts, because the memory is allocated with
kvmalloc_array() in panfrost_mmu_map_fault_addr().

Fixes: 187d2929 ("drm/panfrost: Add support for GPU heap allocations")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDenis Efremov <efremov@linux.com>
Reviewed-by: default avatarSteven Price <steven.price@arm.com>
Signed-off-by: default avatarSteven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200608151728.234026-1-efremov@linux.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a202b42b

drivers/gpu/drm/panfrost/panfrost_gem.c

+1 −1
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@ static void panfrost_gem_free_object(struct drm_gem_object *obj) 
				sg_free_table(&bo->sgts[i]);

			}

		}

		kfree(bo->sgts);

		kvfree(bo->sgts);

	}



	drm_gem_shmem_free_object(obj);

drivers/gpu/drm/panfrost/panfrost_mmu.c

+1 −1
Original line number Diff line number Diff line
@@ -486,7 +486,7 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as, 
		pages = kvmalloc_array(bo->base.base.size >> PAGE_SHIFT,

				       sizeof(struct page *), GFP_KERNEL | __GFP_ZERO);

		if (!pages) {

			kfree(bo->sgts);

			kvfree(bo->sgts);

			bo->sgts = NULL;

			mutex_unlock(&bo->base.pages_lock);

			ret = -ENOMEM;