linux-kernel - [PATCH 2/2] platform/x86: alienware-wmi: Correct a memory leak

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Message-Id: <1536602513-13861-2-git-send-email-mario.limonciello@dell.com>
Date:   Mon, 10 Sep 2018 13:01:53 -0500
From:   Mario Limonciello <mario.limonciello@...l.com>
To:     dvhart@...radead.org, Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        platform-driver-x86@...r.kernel.org,
        Mario Limonciello <mario.limonciello@...l.com>,
        stable@...r.kernel.org
Subject: [PATCH 2/2] platform/x86: alienware-wmi: Correct a memory leak

An ACPI buffer that was allocated was not being freed after use.

Signed-off-by: Mario Limonciello <mario.limonciello@...l.com>
Cc: stable@...r.kernel.org
---
 drivers/platform/x86/alienware-wmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c
index d975462..f10af5c 100644
--- a/drivers/platform/x86/alienware-wmi.c
+++ b/drivers/platform/x86/alienware-wmi.c
@@ -536,6 +536,7 @@ static acpi_status alienware_wmax_command(struct wmax_basic_args *in_args,
 		if (obj && obj->type == ACPI_TYPE_INTEGER)
 			*out_data = (u32) obj->integer.value;
 	}
+	kfree(output.pointer);
 	return status;
 
 }
-- 
2.7.4