firmware: vpd: do not leave freed section attributes to the list

We should only add section attribute to the list of section attributes
if we successfully created corresponding sysfs attribute.

Fixes: 049a59db34eb ("firmware: Google VPD sysfs driver")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/firmware/google/vpd.c b/drivers/firmware/google/vpd.c
index 1e7860f..23a24a6 100644 (file)
--- a/drivers/firmware/google/vpd.c
+++ b/drivers/firmware/google/vpd.c
@@ -136,12 +136,12 @@ static int vpd_section_attrib_add(const u8 *key, s32 key_len,
        info->value = value;
 
        INIT_LIST_HEAD(&info->list);
-       list_add_tail(&info->list, &sec->attribs);
 
        ret = sysfs_create_bin_file(sec->kobj, &info->bin_attr);
        if (ret)
                goto free_info_key;
 
+       list_add_tail(&info->list, &sec->attribs);
        return 0;
 
 free_info_key: