+ lib-test_stringc-allow-mode-removal.patch added to -mm tree

+ lib-test_stringc-allow-mode-removal.patch added to -mm tree

[akpm]

The patch titled
     Subject: lib/test_string.c: allow module removal
has been added to the -mm tree.  Its filename is
     lib-test_stringc-allow-mode-removal.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/lib-test_stringc-allow-mode-removal.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/lib-test_stringc-allow-mode-removal.patch

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------------------------------------------------------
From: Matteo Croce <mcroce@microsoft.com>
Subject: lib/test_string.c: allow module removal

The test_string module can't be removed because it lacks an exit hook. 
Since there is no reason for it to be permanent, add an empty one to allow
module removal.

Link: https://lkml.kernel.org/r/20210616234503.28678-1-mcroce@linux.microsoft.com
Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 lib/test_string.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/lib/test_string.c~lib-test_stringc-allow-mode-removal
+++ a/lib/test_string.c
@@ -179,6 +179,10 @@ static __init int strnchr_selftest(void)
 	return 0;
 }
 
+static __exit void string_selftest_remove(void)
+{
+}
+
 static __init int string_selftest_init(void)
 {
 	int test, subtest;
@@ -216,4 +220,5 @@ fail:
 }
 
 module_init(string_selftest_init);
+module_exit(string_selftest_remove);
 MODULE_LICENSE("GPL v2");
_

Patches currently in -mm which might be from mcroce@microsoft.com are

lib-test_stringc-allow-mode-removal.patch