From: Ard Biesheuvel ardb@kernel.org
commit d8bd8c6e2cfab8b78b537715255be8d7557791c0 upstream.
The documentation provided by kobject_init_and_add() clearly spells out the need to call kobject_put() on the kobject if an error is returned. Add this missing call to the error path.
Cc: stable@vger.kernel.org Reported-by: 亿一 teroincn@gmail.com Signed-off-by: Ard Biesheuvel ardb@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/firmware/efi/efivars.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/firmware/efi/efivars.c +++ b/drivers/firmware/efi/efivars.c @@ -585,8 +585,10 @@ efivar_create_sysfs_entry(struct efivar_ ret = kobject_init_and_add(&new_var->kobj, &efivar_ktype, NULL, "%s", short_name); kfree(short_name); - if (ret) + if (ret) { + kobject_put(&new_var->kobj); return ret; + }
kobject_uevent(&new_var->kobj, KOBJ_ADD); efivar_entry_add(new_var, &efivar_sysfs_list);