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authorPeng Wu <wupeng58@huawei.com>2022-04-28 13:43:06 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-06-14 19:11:30 +0300
commite109058165137ef42841abd989f080adfefa14fa (patch)
tree252db49fcb83f6d379aa099ea15a2311f4f3fdd9 /arch
parent2f46a955b6f524153575a67523192455291e5b4a (diff)
downloadlinux-e109058165137ef42841abd989f080adfefa14fa.tar.xz
ARM: hisi: Add missing of_node_put after of_find_compatible_node
[ Upstream commit 9bc72e47d4630d58a840a66a869c56b29554cfe4 ] of_find_compatible_node will increment the refcount of the returned device_node. Calling of_node_put() to avoid the refcount leak Signed-off-by: Peng Wu <wupeng58@huawei.com> Signed-off-by: Wei Xu <xuwei5@hisilicon.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-hisi/platsmp.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-hisi/platsmp.c b/arch/arm/mach-hisi/platsmp.c
index da7a09c1dae5..1cd1d9b0aabf 100644
--- a/arch/arm/mach-hisi/platsmp.c
+++ b/arch/arm/mach-hisi/platsmp.c
@@ -67,14 +67,17 @@ static void __init hi3xxx_smp_prepare_cpus(unsigned int max_cpus)
}
ctrl_base = of_iomap(np, 0);
if (!ctrl_base) {
+ of_node_put(np);
pr_err("failed to map address\n");
return;
}
if (of_property_read_u32(np, "smp-offset", &offset) < 0) {
+ of_node_put(np);
pr_err("failed to find smp-offset property\n");
return;
}
ctrl_base += offset;
+ of_node_put(np);
}
}
@@ -160,6 +163,7 @@ static int hip01_boot_secondary(unsigned int cpu, struct task_struct *idle)
if (WARN_ON(!node))
return -1;
ctrl_base = of_iomap(node, 0);
+ of_node_put(node);
/* set the secondary core boot from DDR */
remap_reg_value = readl_relaxed(ctrl_base + REG_SC_CTRL);