From: Bhumika Goyal Date: Mon, 26 Sep 2016 05:01:39 +0000 (+0530) Subject: Staging:iio:light:tsl2583: constify attribute_group structures X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=1cb357695849542b71ad8f76b2c2cba308b27e24;p=openwrt%2Fstaging%2Fblogic.git Staging:iio:light:tsl2583: constify attribute_group structures Check for attribute_group structures that are only stored in the attrs filed of iio_info structure. As the attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: drivers/staging/iio/light/tsl2583.o text data bss dec hex filename 6529 1052 0 7581 1d9d drivers/staging/iio/light/tsl2583.o File size after: drivers/staging/iio/light/tsl2583.o text data bss dec hex filename 6593 988 0 7581 1d9d drivers/staging/iio/light/tsl2583.o Signed-off-by: Bhumika Goyal Signed-off-by: Jonathan Cameron --- diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c index 05b4ad4e941c..08f1583ee34e 100644 --- a/drivers/staging/iio/light/tsl2583.c +++ b/drivers/staging/iio/light/tsl2583.c @@ -803,7 +803,7 @@ static struct attribute *sysfs_attrs_ctrl[] = { NULL }; -static struct attribute_group tsl2583_attribute_group = { +static const struct attribute_group tsl2583_attribute_group = { .attrs = sysfs_attrs_ctrl, };