efi: add missed destroy_workqueue when efisubsys_init fails

destroy_workqueue() should be called to destroy efi_rts_wq
when efisubsys_init() init resources fails.

Cc: <stable@vger.kernel.org>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Li Heng <liheng40@huawei.com>
Link: https://lore.kernel.org/r/1595229738-10087-1-git-send-email-liheng40@huawei.com
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index fdd1db0..3aa07c3 100644 (file)
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -381,6 +381,7 @@ static int __init efisubsys_init(void)
        efi_kobj = kobject_create_and_add("efi", firmware_kobj);
        if (!efi_kobj) {
                pr_err("efi: Firmware registration failed.\n");
+               destroy_workqueue(efi_rts_wq);
                return -ENOMEM;
        }
 
@@ -424,6 +425,7 @@ err_unregister:
                generic_ops_unregister();
 err_put:
        kobject_put(efi_kobj);
+       destroy_workqueue(efi_rts_wq);
        return error;
 }