From: Johannes Thumshirn <jthumshirn@suse.de>
To: "Pali Rohár" <pali.rohar@gmail.com>,
"Sebastian Reichel" <sre@kernel.org>,
"Dmitry Eremin-Solenikov" <dbaryshkov@gmail.com>,
"David Woodhouse" <dwmw2@infradead.org>
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
Johannes Thumshirn <jthumshirn@suse.de>
Subject: [PATCH] power: bq27x00_battery: Destroy battery_id IDR on module exit
Date: Wed, 8 Jul 2015 17:18:20 +0200 [thread overview]
Message-ID: <1436368700-30852-1-git-send-email-jthumshirn@suse.de> (raw)
Destroy battery_id IDR on module exit, reclaiming the allocated memory.
This was detected by the following semantic patch (written by Luis Rodriguez
<mcgrof@suse.com>)
<SmPL>
@ defines_module_init @
declarer name module_init, module_exit;
declarer name DEFINE_IDR;
identifier init;
@@
module_init(init);
@ defines_module_exit @
identifier exit;
@@
module_exit(exit);
@ declares_idr depends on defines_module_init && defines_module_exit @
identifier idr;
@@
DEFINE_IDR(idr);
@ on_exit_calls_destroy depends on declares_idr && defines_module_exit @
identifier declares_idr.idr, defines_module_exit.exit;
@@
exit(void)
{
...
idr_destroy(&idr);
...
}
@ missing_module_idr_destroy depends on declares_idr && defines_module_exit && !on_exit_calls_destroy @
identifier declares_idr.idr, defines_module_exit.exit;
@@
exit(void)
{
...
+idr_destroy(&idr);
}
</SmPL>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
drivers/power/bq27x00_battery.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index b6b9837..99180d2 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -1106,6 +1106,7 @@ static void __exit bq27x00_battery_exit(void)
{
bq27x00_battery_platform_exit();
bq27x00_battery_i2c_exit();
+ idr_destroy(&battery_id);
}
module_exit(bq27x00_battery_exit);
--
2.4.3
next reply other threads:[~2015-07-08 15:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 15:18 Johannes Thumshirn [this message]
2015-07-08 16:10 ` [PATCH] power: bq27x00_battery: Destroy battery_id IDR on module exit Pali Rohár
2015-07-09 7:07 ` Johannes Thumshirn
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