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s390/tape: constify attribute_group structures.

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attribute_group are not supposed to change at runtime. All functions
working with attribute_group 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
  11511	    656	     16	  12183	   2f97	drivers/s390/char/tape_core.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
  11575	    592	     16	  12183	   2f97	drivers/s390/char/tape_core.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Arvind Yadav 2017-07-19 12:39:16 +05:30 • committed by Martin Schwidefsky
commit fc2b0f52ae
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/char/tape_core.c
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@ -175,7 +175,7 @@ static struct attribute *tape_attrs[] = {
NULL
};
static struct attribute_group tape_attr_group = {
static const struct attribute_group tape_attr_group = {
.attrs = tape_attrs,
};