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
6932 1016 48 7996 1f3c drivers/platform/x86/alienware-wmi.o
File size After adding 'const':
text data bss dec hex filename
7060 888 48 7996 1f64 drivers/platform/x86/alienware-wmi.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/platform/x86/alienware-wmi.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c
index 9866fec..0831b42 100644
--- a/drivers/platform/x86/alienware-wmi.c
+++ b/drivers/platform/x86/alienware-wmi.c
@@ -604,7 +604,7 @@ static DEVICE_ATTR(source, S_IRUGO | S_IWUSR, show_hdmi_source,
NULL,
};
-static struct attribute_group hdmi_attribute_group = {
+static const struct attribute_group hdmi_attribute_group = {
.name = "hdmi",
.attrs = hdmi_attrs,
};
@@ -660,7 +660,7 @@ static ssize_t show_amplifier_status(struct device *dev,
NULL,
};
-static struct attribute_group amplifier_attribute_group = {
+static const struct attribute_group amplifier_attribute_group = {
.name = "amplifier",
.attrs = amplifier_attrs,
};
@@ -741,7 +741,7 @@ static ssize_t toggle_deepsleep(struct device *dev,
NULL,
};
-static struct attribute_group deepsleep_attribute_group = {
+static const struct attribute_group deepsleep_attribute_group = {
.name = "deepsleep",
.attrs = deepsleep_attrs,
};
--
1.9.1
