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ARM: shmobile: fix a leaked reference by adding missing of_node_put

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The call to of_get_next_child returns a node pointer with refcount
incremented thus it must be explicitly decremented after the last
usage.

Detected by coccinelle with the following warnings:
./arch/arm/mach-shmobile/pm-rcar-gen2.c:77:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 66, but without a corresponding object release within this function.
./arch/arm/mach-shmobile/pm-rcar-gen2.c:85:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 66, but without a corresponding object release within this function.
./arch/arm/mach-shmobile/pm-rcar-gen2.c:90:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 66, but without a corresponding object release within this function.

Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Wen Yang 2019-03-01 16:56:49 +08:00 committed by Simon Horman
parent d5aa84087e
commit 115bbc30c6
1 changed files with 1 additions and 0 deletions
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arch/arm/mach-shmobile/pm-rcar-gen2.c
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@ -72,6 +72,7 @@ void __init rcar_gen2_pm_init(void)
}
error = of_address_to_resource(np, 0, &res);
of_node_put(np);
if (error) {
pr_err("Failed to get smp-sram address: %d\n", error);
return;