[PATCH v1 1/2] Add release hook to LSM

From: Mirsad Goran Todorovac
Date: Fri Mar 10 2023 - 14:42:10 EST



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@xxxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Mimi Zohar <zohar@xxxxxxxxxxxxx>
Cc: Paul Moore <paul@xxxxxxxxxxxxxx>
Cc: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

---
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