[PATCH 4.14 031/164] firmware: vpd: Destroy vpd sections in remove function

From: Greg Kroah-Hartman
Date: Tue Dec 12 2017 - 08:58:48 EST


4.14-stable review patch. If anyone has any objections, please let me know.

------------------

From: Guenter Roeck <linux@xxxxxxxxxxxx>

commit 811d7e0215fb738fb9a9f0bcb1276516ad161ed1 upstream.

vpd sections are initialized during probe and thus should be destroyed
in the remove function.

Fixes: 049a59db34eb ("firmware: Google VPD sysfs driver")
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/firmware/google/vpd.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

--- a/drivers/firmware/google/vpd.c
+++ b/drivers/firmware/google/vpd.c
@@ -298,8 +298,17 @@ static int vpd_probe(struct platform_dev
return vpd_sections_init(entry.cbmem_addr);
}

+static int vpd_remove(struct platform_device *pdev)
+{
+ vpd_section_destroy(&ro_vpd);
+ vpd_section_destroy(&rw_vpd);
+
+ return 0;
+}
+
static struct platform_driver vpd_driver = {
.probe = vpd_probe,
+ .remove = vpd_remove,
.driver = {
.name = "vpd",
},
@@ -324,8 +333,6 @@ static int __init vpd_platform_init(void

static void __exit vpd_platform_exit(void)
{
- vpd_section_destroy(&ro_vpd);
- vpd_section_destroy(&rw_vpd);
kobject_put(vpd_kobj);
}