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-bcm/platsmp-brcmstb.c:337:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 329, but without a corresponding object release within this function. ./arch/arm/mach-bcm/platsmp-brcmstb.c:341:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 329, but without a corresponding object release within this functio ./arch/arm/mach-bcm/bcm63xx_smp.c:150:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 130, but without a corresponding object release within this function. Signed-off-by: Wen Yang <[email protected]> Cc: Florian Fainelli <[email protected]> Cc: Ray Jui <[email protected]> Cc: Scott Branden <[email protected]> Cc: [email protected] Cc: Russell King <[email protected]> Cc: Brian Norris <[email protected]> Cc: Gregory Fong <[email protected]> Cc: [email protected] Cc: [email protected] --- arch/arm/mach-bcm/bcm63xx_smp.c | 1 + arch/arm/mach-bcm/platsmp-brcmstb.c | 7 +++++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-bcm/bcm63xx_smp.c b/arch/arm/mach-bcm/bcm63xx_smp.c index f5fb10b..1cb4ce8 100644 --- a/arch/arm/mach-bcm/bcm63xx_smp.c +++ b/arch/arm/mach-bcm/bcm63xx_smp.c @@ -142,6 +142,7 @@ static int bcm63138_smp_boot_secondary(unsigned int cpu, * return */ ret = bcm63xx_pmb_power_on_cpu(dn); + of_node_put(dn); if (ret) goto out; out: diff --git a/arch/arm/mach-bcm/platsmp-brcmstb.c b/arch/arm/mach-bcm/platsmp-brcmstb.c index 1237996..4555f21 100644 --- a/arch/arm/mach-bcm/platsmp-brcmstb.c +++ b/arch/arm/mach-bcm/platsmp-brcmstb.c @@ -334,11 +334,14 @@ static void __init brcmstb_cpu_ctrl_setup(unsigned int max_cpus) rc = setup_hifcpubiuctrl_regs(np); if (rc) - return; + goto out_put_node; rc = setup_hifcont_regs(np); if (rc) - return; + goto out_put_node; + +out_put_node: + of_node_put(np); } static int brcmstb_boot_secondary(unsigned int cpu, struct task_struct *idle) -- 2.9.5
