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efi/efivars: Add missing kobject_put() in sysfs entry creation error path 

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>
This commit is contained in:
Ard Biesheuvel 2020-05-22 18:15:49 +02:00
parent 27cd5511fe
commit d8bd8c6e2c
1 changed files with 3 additions and 1 deletions
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4
drivers/firmware/efi/efivars.c
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@ -522,8 +522,10 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var)
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);
if (efivar_entry_add(new_var, &efivar_sysfs_list)) {