kobject-example.c (5e2aa2ed08e2e280121dc7cf5609c87d464f12ef) kobject-example.c (5fd637e7a75fb2a4c0b62683c08dae959160fedf)
1/*
2 * Sample kobject implementation
3 *
4 * Copyright (C) 2004-2007 Greg Kroah-Hartman <greg@kroah.com>
5 * Copyright (C) 2007 Novell Inc.
6 *
7 * Released under the GPL version 2 only.
8 *

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31 char *buf)
32{
33 return sprintf(buf, "%d\n", foo);
34}
35
36static ssize_t foo_store(struct kobject *kobj, struct kobj_attribute *attr,
37 const char *buf, size_t count)
38{
1/*
2 * Sample kobject implementation
3 *
4 * Copyright (C) 2004-2007 Greg Kroah-Hartman <greg@kroah.com>
5 * Copyright (C) 2007 Novell Inc.
6 *
7 * Released under the GPL version 2 only.
8 *

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31 char *buf)
32{
33 return sprintf(buf, "%d\n", foo);
34}
35
36static ssize_t foo_store(struct kobject *kobj, struct kobj_attribute *attr,
37 const char *buf, size_t count)
38{
39 sscanf(buf, "%du", &foo);
39 int ret;
40
41 ret = kstrtoint(buf, 10, &foo);
42 if (ret < 0)
43 return ret;
44
40 return count;
41}
42
43/* Sysfs attributes cannot be world-writable. */
44static struct kobj_attribute foo_attribute =
45 __ATTR(foo, 0664, foo_show, foo_store);
46
47/*

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58 else
59 var = bar;
60 return sprintf(buf, "%d\n", var);
61}
62
63static ssize_t b_store(struct kobject *kobj, struct kobj_attribute *attr,
64 const char *buf, size_t count)
65{
45 return count;
46}
47
48/* Sysfs attributes cannot be world-writable. */
49static struct kobj_attribute foo_attribute =
50 __ATTR(foo, 0664, foo_show, foo_store);
51
52/*

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63 else
64 var = bar;
65 return sprintf(buf, "%d\n", var);
66}
67
68static ssize_t b_store(struct kobject *kobj, struct kobj_attribute *attr,
69 const char *buf, size_t count)
70{
66 int var;
71 int var, ret;
67
72
68 sscanf(buf, "%du", &var);
73 ret = kstrtoint(buf, 10, &var);
74 if (ret < 0)
75 return ret;
76
69 if (strcmp(attr->attr.name, "baz") == 0)
70 baz = var;
71 else
72 bar = var;
73 return count;
74}
75
76static struct kobj_attribute baz_attribute =

--- 62 unchanged lines hidden --- 		77 if (strcmp(attr->attr.name, "baz") == 0)
78 baz = var;
79 else
80 bar = var;
81 return count;
82}
83
84static struct kobj_attribute baz_attribute =

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