From: Yangtao Li <tiny.windzz@gmail.com>
To: john.stultz@linaro.org, tglx@linutronix.de, sboyd@kernel.org
Cc: linux-kernel@vger.kernel.org, Yangtao Li <tiny.windzz@gmail.com>
Subject: [PATCH] clocksource: decrement reference count when device_register() fail
Date: Mon, 21 Jan 2019 10:34:31 -0500 [thread overview]
Message-ID: <20190121153431.24789-1-tiny.windzz@gmail.com> (raw)
device_register() may fail, use put_device() giving up the refconut
to avoid refcount leak.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
---
kernel/time/clocksource.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 3bcc19ceb073..0a830fedc7ef 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -1183,8 +1183,11 @@ static int __init init_clocksource_sysfs(void)
{
int error = subsys_system_register(&clocksource_subsys, NULL);
- if (!error)
+ if (!error) {
error = device_register(&device_clocksource);
+ if (error)
+ put_device(&device_clocksource);
+ }
return error;
}
--
2.17.0
reply other threads:[~2019-01-21 15:36 UTC|newest]
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