From: Dmitry Torokhov <dtor@insightbb.com>
Date: Mon, 28 Aug 2006 12:21:42 +0000 (+0200)
Subject: hdaps: Handle errors from input_register_device
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b25a10631a81fca33a94d1f1f6960928d8e9ce63;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

hdaps: Handle errors from input_register_device

HDAPS: handle errors from input_register_device()

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c
index 42b632889dd8..8e7b5607f5a1 100644
--- a/drivers/hwmon/hdaps.c
+++ b/drivers/hwmon/hdaps.c
@@ -587,7 +587,9 @@ static int __init hdaps_init(void)
 	input_set_abs_params(hdaps_idev, ABS_Y,
 			-256, 256, HDAPS_INPUT_FUZZ, HDAPS_INPUT_FLAT);
 
-	input_register_device(hdaps_idev);
+	ret = input_register_device(hdaps_idev);
+	if (ret)
+		goto out_idev;
 
 	/* start up our timer for the input device */
 	init_timer(&hdaps_timer);
@@ -598,6 +600,8 @@ static int __init hdaps_init(void)
 	printk(KERN_INFO "hdaps: driver successfully loaded.\n");
 	return 0;
 
+out_idev:
+	input_free_device(hdaps_idev);
 out_group:
 	sysfs_remove_group(&pdev->dev.kobj, &hdaps_attribute_group);
 out_device: