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drm/panfrost: Use kvfree() to free bo->sgts

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commit 114427b8927a4def2942b2b886f7e4aeae289ccb upstream.

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

Fixes: 187d292920 ("drm/panfrost: Add support for GPU heap allocations")
Cc: stable@vger.kernel.org
Signed-off-by: Denis Efremov <efremov@linux.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200608151728.234026-1-efremov@linux.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Denis Efremov 2020-06-08 18:17:28 +03:00 • committed by Greg Kroah-Hartman
commit aeec14061d
2 changed files with 2 additions and 2 deletions
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2
drivers/gpu/drm/panfrost/panfrost_gem.c
View file

@ -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);

2
drivers/gpu/drm/panfrost/panfrost_mmu.c
View file

@ -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;