* [PATCH] net: can: janz-ican3: constify attribute_group structures.
@ 2017-07-10 8:04 Arvind Yadav
0 siblings, 0 replies; only message in thread
From: Arvind Yadav @ 2017-07-10 8:04 UTC (permalink / raw)
To: wg, mkl, davem; +Cc: netdev, llinux-can, linux-kernel
attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/netdevice.h> work
with const attribute_group. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
11800 368 0 12168 2f88 drivers/net/can/janz-ican3.o
File size After adding 'const':
text data bss dec hex filename
11864 304 0 12168 2f88 drivers/net/can/janz-ican3.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
drivers/net/can/janz-ican3.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c
index 2ba1a81..12a53c8 100644
--- a/drivers/net/can/janz-ican3.c
+++ b/drivers/net/can/janz-ican3.c
@@ -1875,7 +1875,7 @@ static DEVICE_ATTR(termination, S_IWUSR | S_IRUGO, ican3_sysfs_show_term,
NULL,
};
-static struct attribute_group ican3_sysfs_attr_group = {
+static const struct attribute_group ican3_sysfs_attr_group = {
.attrs = ican3_sysfs_attrs,
};
--
1.9.1
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