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openrisc: Fix a memory leak

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[ Upstream commit c019d92457 ]

'setup_find_cpu_node()' take a reference on the node it returns.
This reference must be decremented when not needed anymore, or there will
be a leak.

Add the missing 'of_node_put(cpu)'.

Note that 'setup_cpuinfo()' that also calls this function already has a
correct 'of_node_put(cpu)' at its end.

Fixes: 9d02a4283e ("OpenRISC: Boot code")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET 2021-04-23 17:09:28 +02:00 • committed by Greg Kroah-Hartman
commit 12de3ff989
1 changed files with 2 additions and 0 deletions
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arch/openrisc/kernel/setup.c
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@ -278,6 +278,8 @@ void calibrate_delay(void)
pr_cont("%lu.%02lu BogoMIPS (lpj=%lu)\n",
loops_per_jiffy / (500000 / HZ),
(loops_per_jiffy / (5000 / HZ)) % 100, loops_per_jiffy);
of_node_put(cpu);
}
void __init setup_arch(char **cmdline_p)