From: Vladimir Zapolskiy Date: Fri, 31 Jul 2015 00:09:49 +0000 (+0300) Subject: ARM: EXYNOS: Fix potentian kfree() of ro memory X-Git-Tag: Ubuntu-snapdragon-4.4.0-1029.32~6093^2~3^2~1 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=27bbd23fe8e66edfff4c0e92eb9eb39c37856831;p=mirror_ubuntu-zesty-kernel.git ARM: EXYNOS: Fix potentian kfree() of ro memory The change fixes a bug introduced by 2be2a3ff42a5, 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 Cc: Fixes: 2be2a3ff42a5 ("ARM: EXYNOS: register power domain driver from core_initcall") Signed-off-by: Krzysztof Kozlowski --- diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c index 6001f1c9d136..5121baae0e6b 100644 --- a/arch/arm/mach-exynos/pm_domains.c +++ b/arch/arm/mach-exynos/pm_domains.c @@ -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;