Date:   Fri, 10 Mar 2023 20:42:00 +0100
From:   Mirsad Goran Todorovac <mirsad.goran.todorovac@alu.hr>
To:     linux-kernel@vger.kernel.org
Cc:     linux-integrity@vger.kernel.org,
        linux-security-module@vger.kernel.org,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Mimi Zohar <zohar@linux.ibm.com>,
        Thomas =?iso-8859-1?Q?Wei=DFschuh?= <linux@weissschuh.net>,
        Paul Moore <paul@paul-moore.com>,
        Casey Schaufler <casey@schaufler-ca.com>,
        Christian =?iso-8859-1?Q?G=F6ttsche?= <cgzones@googlemail.com>,
        =?iso-8859-1?Q?Micka=EBl_Sala=FCn?= <mic@digikod.net>,
        Frederick Lawler <fred@cloudflare.com>
Subject: [PATCH v1 1/2] Add release hook to LSM
Message-ID: <20230310194159.GB528@domac.alu.hr>
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Add release() hook to the definition of the LSM modules, to enable calling
destructors and deallocating allocated resources cleanly.

Signed-off-by: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mimi Zohar <zohar@linux.ibm.com>
Cc: Paul Moore <paul@paul-moore.com>
Cc: Thomas Weißschuh <linux@weissschuh.net>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

---
 include/linux/lsm_hooks.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 6e156d2acffc..d5a6ab9b5eb2 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -1724,6 +1724,7 @@ struct lsm_info {
 	unsigned long flags;	/* Optional: flags describing LSM */
 	int *enabled;		/* Optional: controlled by CONFIG_LSM */
 	int (*init)(void);	/* Required. */
+	int (*release)(void);	/* Release associated resources */
 	struct lsm_blob_sizes *blobs; /* Optional: for blob sharing. */
 };
 

--
Mirsad Goran Todorovac
Sistem inženjer
Grafički fakultet | Akademija likovnih umjetnosti
Sveučilište u Zagrebu
 
System engineer
Faculty of Graphic Arts | Academy of Fine Arts
University of Zagreb, Republic of Croatia
The European Union