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Commit f5cd7c13 authored by Laura Abbott's avatar Laura Abbott
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msm: iommu: Check for NULL genpools during domain teardown 



During domain creation, some of the genpools will be set to NULL if
there is not enough memory for creation. Check for these NULL
genpools during domain destruction to avoid NULL dereferences.

Change-Id: I60238c138b809ef5c13383f5b1752ab6c799707d
CRs-Fixed: 573612
Signed-off-by: default avatarLaura Abbott <lauraa@codeaurora.org>
parent b5b762bb

arch/arm/mach-msm/iommu_domains.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -553,6 +553,7 @@ int msm_unregister_domain(struct iommu_domain *domain) 
	ida_simple_remove(&domain_nums, data->domain_num);

	ida_simple_remove(&domain_nums, data->domain_num);





	for (i = 0; i < data->npools; ++i)

	for (i = 0; i < data->npools; ++i)

		if (data->pools[i].gpool)

			gen_pool_destroy(data->pools[i].gpool);

			gen_pool_destroy(data->pools[i].gpool);





	kfree(data->pools);

	kfree(data->pools);