[PATCH] net: chelsio: cxgb3: constify attribute_group structures.

From: Arvind Yadav
Date: Mon Jul 10 2017 - 06:34:40 EST


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
28720 985 12 29717 7415 drivers/net/.../cxgb3/cxgb3_main.o

File size After adding 'const':
text data bss dec hex filename
28848 857 12 29717 7415 drivers/net/.../cxgb3/cxgb3_main.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
index 0bc6a4f..6a01536 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
@@ -793,7 +793,9 @@ static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_method)
NULL
};

-static struct attribute_group cxgb3_attr_group = {.attrs = cxgb3_attrs };
+static const struct attribute_group cxgb3_attr_group = {
+ .attrs = cxgb3_attrs,
+};

static ssize_t tm_attr_show(struct device *d,
char *buf, int sched)
@@ -880,7 +882,9 @@ static DEVICE_ATTR(name, S_IRUGO | S_IWUSR, show_##name, store_##name)
NULL
};

-static struct attribute_group offload_attr_group = {.attrs = offload_attrs };
+static const struct attribute_group offload_attr_group = {
+ .attrs = offload_attrs,
+};

/*
* Sends an sk_buff to an offload queue driver
--
1.9.1