hwmon: Fix ACPI resource check error handling

This patch fixes a number of cases where things were not properly
cleaned up when acpi_check_resource_conflict() returned an error,
causing oopses such as the one reported here:
https://bugzilla.redhat.com/show_bug.cgi?id=483208

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index 367f6cb..5f81ddf 100644 (file)
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -1932,7 +1932,7 @@ static int __init f71882fg_device_add(unsigned short address,
        res.name = f71882fg_pdev->name;
        err = acpi_check_resource_conflict(&res);
        if (err)
-               return err;
+               goto exit_device_put;
 
        err = platform_device_add_resources(f71882fg_pdev, &res, 1);
        if (err) {

diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c
index b0ce378..73f77a9 100644 (file)
--- a/drivers/hwmon/vt1211.c
+++ b/drivers/hwmon/vt1211.c
@@ -1262,7 +1262,7 @@ static int __init vt1211_device_add(unsigned short address)
        res.name = pdev->name;
        err = acpi_check_resource_conflict(&res);
        if (err)
-               goto EXIT;
+               goto EXIT_DEV_PUT;
 
        err = platform_device_add_resources(pdev, &res, 1);
        if (err) {

diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index cb808d0..feae743 100644 (file)
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -1548,7 +1548,7 @@ static int __init sensors_w83627ehf_init(void)
 
        err = acpi_check_resource_conflict(&res);
        if (err)
-               goto exit;
+               goto exit_device_put;
 
        err = platform_device_add_resources(pdev, &res, 1);
        if (err) {