Commit 27bbd23f authored Jul 31, 2015 by Vladimir Zapolskiy Committed by Krzysztof Kozlowski Jul 31, 2015

ARM: EXYNOS: Fix potentian kfree() of ro memory



The change fixes a bug introduced by 2be2a3ff, memory allocated
by kstrdup_const() must be always deallocated with kfree_const(),
otherwise there is a risk of kfree'ing ro memory in power domain error
exit path.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Cc: <stable@vger.kernel.org>
Fixes: 2be2a3ff ("ARM: EXYNOS: register power domain driver from core_initcall")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

parent d770e558

arch/arm/mach-exynos/pm_domains.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -146,7 +146,7 @@ static __init int exynos4_pm_init_power_domain(void)
		pd->base = of_iomap(np, 0);
		if (!pd->base) {
		pr_warn("%s: failed to map memory\n", __func__);
		kfree(pd->pd.name);
		kfree_const(pd->pd.name);
		kfree(pd);
		of_node_put(np);
		continue;