linux-kernel - [PATCH 5.8 144/148] efi: add missed destroy_workqueue when efisubsys

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Message-Id: <20200824082420.921660253@linuxfoundation.org>
Date:   Mon, 24 Aug 2020 10:30:42 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Li Heng <liheng40@...wei.com>, Ard Biesheuvel <ardb@...nel.org>
Subject: [PATCH 5.8 144/148] efi: add missed destroy_workqueue when efisubsys_init fails

From: Li Heng <liheng40@...wei.com>

commit 98086df8b70c06234a8f4290c46064e44dafa0ed upstream.

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

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

---
 drivers/firmware/efi/efi.c |    2 ++
 1 file changed, 2 insertions(+)

--- 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;
 }