This is a note to let you know that I've just added the patch titled openrisc: Fix a memory leak to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: openrisc-fix-a-memory-leak.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 2412216a5b1f7710fcaa3a030a4601763c36037a Author: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> Date: Fri Apr 23 17:09:28 2021 +0200 openrisc: Fix a memory leak [ Upstream commit c019d92457826bb7b2091c86f36adb5de08405f9 ] '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: 9d02a4283e9c ("OpenRISC: Boot code") Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> Signed-off-by: Stafford Horne <shorne@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c index d668f5be3a99..ae104eb4becc 100644 --- a/arch/openrisc/kernel/setup.c +++ b/arch/openrisc/kernel/setup.c @@ -274,6 +274,8 @@ 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)