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Staging: iio: light: constify attribute_group structures

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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 <bhumirks@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bhumika Goyal 2016-09-26 10:31:39 +05:30 committed by Greg Kroah-Hartman
parent 1ed90ff342
commit 58fce732f0
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/iio/light/tsl2583.c
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@ -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,
};