linux-kernel - Unloaded tainted modules list with tcrypt

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Date:   Mon, 10 Oct 2022 15:12:11 +0000
From:   "Elliott, Robert (Servers)" <elliott@....com>
To:     Aaron Tomlin <atomlin@...hat.com>,
        "linux-modules@...r.kernel.org" <linux-modules@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Unloaded tainted modules list with tcrypt

When repeatedly using the tcrypt module (which is designed to never
load successfully), the "Unloaded tainted modules" list grows forever:

Unloaded tainted modules: tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 
tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 
tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 
tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 
tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 
tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 
tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 
tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 tcrypt():1 
tcrypt():1 tcrypt():1 padlock_aes():1 padlock_aes():1 
isst_if_mbox_msr():1 acpi_cpufreq():1 pcc_cpufreq():1 isst_if_mbox_msr():1 
acpi_cpufreq():1 pcc_cpufreq():1 acpi_cpufreq():1 acpi_cpufreq():1 
pcc_cpufreq():1 isst_if_mbox_msr():1 acpi_cpufreq():1 acpi_cpufreq():1 
pcc_cpufreq():1 isst_if_mbox_msr():1 acpi_cpufreq():1 acpi_cpufreq():1 
isst_if_mbox_msr():1 isst_if_mbox_msr():1 
acpi_cpufreq():1 pcc_cpufreq():1 acpi_cpufreq():1 isst_if_mbox_msr():1

Some other modules like acpi_cpufreq() are repeated too.

Maybe this check after the name comparison:
	mod_taint->taints & mod->taints
should be:
	mod_taint->taints == mod->taints

or shouldn't be there at all?