liveupdate: remove liveupdate_test_unregister()

Now that file handler unregistration automatically unregisters all
associated file handlers (FLBs), the liveupdate_test_unregister() function
is no longer needed.  Remove it along with its usages and declarations.

Link: https://lore.kernel.org/20260327033335.696621-9-pasha.tatashin@soleen.com
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Pratyush Yadav (Google) <pratyush@kernel.org>
Cc: David Matlack <dmatlack@google.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Samiullah Khawaja <skhawaja@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/kernel/liveupdate/luo_file.c b/kernel/liveupdate/luo_file.c
index 9ba904c104250cba5457c50f861ec024f04639d1..4060b6064248fe7d34dd1c78b779636c312321d2 100644 (file)
--- a/kernel/liveupdate/luo_file.c
+++ b/kernel/liveupdate/luo_file.c
@@ -926,8 +926,6 @@ int liveupdate_unregister_file_handler(struct liveupdate_file_handler *fh)
        if (!liveupdate_enabled())
                return -EOPNOTSUPP;
 
-       liveupdate_test_unregister(fh);
-
        guard(rwsem_write)(&luo_register_rwlock);
        luo_flb_unregister_all(fh);
        list_del(&ACCESS_PRIVATE(fh, list));

diff --git a/kernel/liveupdate/luo_internal.h b/kernel/liveupdate/luo_internal.h
index 22f6901f89edc5e81137b599f247e27b0dc5a725..875844d7a41dd50dac0e3cf4bf96797e8dd207d5 100644 (file)
--- a/kernel/liveupdate/luo_internal.h
+++ b/kernel/liveupdate/luo_internal.h
@@ -110,10 +110,8 @@ void luo_flb_serialize(void);
 
 #ifdef CONFIG_LIVEUPDATE_TEST
 void liveupdate_test_register(struct liveupdate_file_handler *fh);
-void liveupdate_test_unregister(struct liveupdate_file_handler *fh);
 #else
 static inline void liveupdate_test_register(struct liveupdate_file_handler *fh) { }
-static inline void liveupdate_test_unregister(struct liveupdate_file_handler *fh) { }
 #endif
 
 #endif /* _LINUX_LUO_INTERNAL_H */

diff --git a/lib/tests/liveupdate.c b/lib/tests/liveupdate.c
index 496d6ef91a304fc7e76c441ae235c6ba5037d4b2..e4b0ecbee32fe63b0bb1e7df7da3ff23b64219b5 100644 (file)
--- a/lib/tests/liveupdate.c
+++ b/lib/tests/liveupdate.c
@@ -135,24 +135,6 @@ void liveupdate_test_register(struct liveupdate_file_handler *fh)
                TEST_NFLBS, fh->compatible);
 }
 
-void liveupdate_test_unregister(struct liveupdate_file_handler *fh)
-{
-       int err, i;
-
-       for (i = 0; i < TEST_NFLBS; i++) {
-               struct liveupdate_flb *flb = &test_flbs[i];
-
-               err = liveupdate_unregister_flb(fh, flb);
-               if (err) {
-                       pr_err("Failed to unregister %s %pe\n",
-                              flb->compatible, ERR_PTR(err));
-               }
-       }
-
-       pr_info("Unregistered %d FLBs from file handler: [%s]\n",
-               TEST_NFLBS, fh->compatible);
-}
-
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Pasha Tatashin <pasha.tatashin@soleen.com>");
 MODULE_DESCRIPTION("In-kernel test for LUO mechanism");