The patch titled
Subject: kernel/ksysfs.c: constify attribute_group structures.
has been added to the -mm tree. Its filename is
kernel-ksysfs-constify-attribute_group-structures.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kernel-ksysfs-constify-attribute_group-structures.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kernel-ksysfs-constify-attribute_group-structures.patch
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From: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
Subject: kernel/ksysfs.c: constify attribute_group structures.
attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/sysfs.h> work with const
attribute_group. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
1120 544 16 1680 690 kernel/ksysfs.o
File size After adding 'const':
text data bss dec hex filename
1160 480 16 1656 678 kernel/ksysfs.o
Link: http://lkml.kernel.org/r/aa224b3cc923fdbb3edd0c41b2c639c85408c9e8.1498737347.git.arvind.yadav.cs@xxxxxxxxx
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Dave Young <dyoung@xxxxxxxxxx>
Cc: Hari Bathini <hbathini@xxxxxxxxxxxxxxxxxx>
Cc: Petr Tesarik <ptesarik@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/ksysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/ksysfs.c~kernel-ksysfs-constify-attribute_group-structures kernel/ksysfs.c
--- a/kernel/ksysfs.c~kernel-ksysfs-constify-attribute_group-structures
+++ a/kernel/ksysfs.c
@@ -234,7 +234,7 @@ static struct attribute * kernel_attrs[]
NULL
};
-static struct attribute_group kernel_attr_group = {
+static const struct attribute_group kernel_attr_group = {
.attrs = kernel_attrs,
};
_
Patches currently in -mm which might be from arvind.yadav.cs@xxxxxxxxx are
kernel-ksysfs-constify-attribute_group-structures.patch
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