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

The change fixes a bug introduced by 2be2a3ff42, 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: 2be2a3ff42 ("ARM: EXYNOS: register power domain driver from core_initcall")
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
This commit is contained in:
Vladimir Zapolskiy 2015-07-31 03:09:49 +03:00 committed by Krzysztof Kozlowski
parent d770e558e2
commit 27bbd23fe8
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mach-exynos/pm_domains.c
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@ -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;