diff --git a/drivers/base/class.c b/drivers/base/class.c
index 6e2c3b064f53759d9ea0e56cf43783ff0ecd1a39..34a2de9c53859637e0be7c1318ec69f1a3ca6d3d 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -31,7 +31,7 @@ static ssize_t class_attr_show(struct kobject *kobj, struct attribute *attr,
ssize_t ret = -EIO;
if (class_attr->show)
- ret = class_attr->show(cp->class, buf);
+ ret = class_attr->show(cp->class, class_attr, buf);
return ret;
}
@@ -43,7 +43,7 @@ static ssize_t class_attr_store(struct kobject *kobj, struct attribute *attr,
ssize_t ret = -EIO;
if (class_attr->store)
- ret = class_attr->store(cp->class, buf, count);
+ ret = class_attr->store(cp->class, class_attr, buf, count);
return ret;
}
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index fb456b72980360ec85cc2264d8637f8e5aeafa0c..9121c77b77fae3a5d4c70f942dc67a3e65290edf 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -79,13 +79,17 @@ void unregister_cpu(struct cpu *cpu)
}
#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
-static ssize_t cpu_probe_store(struct class *class, const char *buf,
+static ssize_t cpu_probe_store(struct class *class,
+ struct class_attribute *attr,
+ const char *buf,
size_t count)
{
return arch_cpu_probe(buf, count);
}
-static ssize_t cpu_release_store(struct class *class, const char *buf,
+static ssize_t cpu_release_store(struct class *class,
+ struct class_attribute *attr,
+ const char *buf,
size_t count)
{
return arch_cpu_release(buf, count);
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index a95024166b66c0eb82a4fc6d070a4ad923544c81..6604fb33d07291f0ab87222c4bddf2096458f516 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -69,7 +69,9 @@ fw_load_abort(struct firmware_priv *fw_priv)
}
static ssize_t
-firmware_timeout_show(struct class *class, char *buf)
+firmware_timeout_show(struct class *class,
+ struct class_attribute *attr,
+ char *buf)
{
return sprintf(buf, "%d\n", loading_timeout);
}
@@ -87,7 +89,9 @@ firmware_timeout_show(struct class *class, char *buf)
* Note: zero means 'wait forever'.
**/
static ssize_t
-firmware_timeout_store(struct class *class, const char *buf, size_t count)
+firmware_timeout_store(struct class *class,
+ struct class_attribute *attr,
+ const char *buf, size_t count)
{
loading_timeout = simple_strtol(buf, NULL, 10);
if (loading_timeout < 0)
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 563656ad75a1015c1ad4a57449e3bf32f0afbab4..495f15e92d4cf8fd54618671961116bc4fd6b623 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -331,7 +331,8 @@ static int block_size_init(void)
*/
#ifdef CONFIG_ARCH_MEMORY_PROBE
static ssize_t
-memory_probe_store(struct class *class, const char *buf, size_t count)
+memory_probe_store(struct class *class, struct class_attribute *attr,
+ const char *buf, size_t count)
{
u64 phys_addr;
int nid;
@@ -368,7 +369,9 @@ static inline int memory_probe_init(void)
/* Soft offline a page */
static ssize_t
-store_soft_offline_page(struct class *class, const char *buf, size_t count)
+store_soft_offline_page(struct class *class,
+ struct class_attribute *attr,
+ const char *buf, size_t count)
{
int ret;
u64 pfn;
@@ -385,7 +388,9 @@ store_soft_offline_page(struct class *class, const char *buf, size_t count)
/* Forcibly offline a page, including killing processes. */
static ssize_t
-store_hard_offline_page(struct class *class, const char *buf, size_t count)
+store_hard_offline_page(struct class *class,
+ struct class_attribute *attr,
+ const char *buf, size_t count)
{
int ret;
u64 pfn;
diff --git a/drivers/block/osdblk.c b/drivers/block/osdblk.c
index a808b1530b3bd344c290e0fed84e5d35e72d8338..eb2091aa1c19e2abf7ccfdafce320c44f7d14abb 100644
--- a/drivers/block/osdblk.c
+++ b/drivers/block/osdblk.c
@@ -476,7 +476,9 @@ static void class_osdblk_release(struct class *cls)
kfree(cls);
}
-static ssize_t class_osdblk_list(struct class *c, char *data)
+static ssize_t class_osdblk_list(struct class *c,
+ struct class_attribute *attr,
+ char *data)
{
int n = 0;
struct list_head *tmp;
@@ -500,7 +502,9 @@ static ssize_t class_osdblk_list(struct class *c, char *data)
return n;
}
-static ssize_t class_osdblk_add(struct class *c, const char *buf, size_t count)
+static ssize_t class_osdblk_add(struct class *c,
+ struct class_attribute *attr,
+ const char *buf, size_t count)
{
struct osdblk_device *osdev;
ssize_t rc;
@@ -592,7 +596,9 @@ err_out_mod:
return rc;
}
-static ssize_t class_osdblk_remove(struct class *c, const char *buf,
+static ssize_t class_osdblk_remove(struct class *c,
+ struct class_attribute *attr,
+ const char *buf,
size_t count)
{
struct osdblk_device *osdev = NULL;
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index b72935b8f2036e3ea954b5560fe88fd3875f5d96..73d815d3f1b27a5fac571d1fa6e8dd7adbac5af2 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -337,7 +337,9 @@ static void class_pktcdvd_release(struct class *cls)
{
kfree(cls);
}
-static ssize_t class_pktcdvd_show_map(struct class *c, char *data)
+static ssize_t class_pktcdvd_show_map(struct class *c,
+ struct class_attribute *attr,
+ char *data)
{
int n = 0;
int idx;
@@ -356,7 +358,9 @@ static ssize_t class_pktcdvd_show_map(struct class *c, char *data)
return n;
}
-static ssize_t class_pktcdvd_store_add(struct class *c, const char *buf,
+static ssize_t class_pktcdvd_store_add(struct class *c,
+ struct class_attribute *attr,
+ const char *buf,
size_t count)
{
unsigned int major, minor;
@@ -376,7 +380,9 @@ static ssize_t class_pktcdvd_store_add(struct class *c, const char *buf,
return -EINVAL;
}
-static ssize_t class_pktcdvd_store_remove(struct class *c, const char *buf,
+static ssize_t class_pktcdvd_store_remove(struct class *c,
+ struct class_attribute *attr,
+ const char *buf,
size_t count)
{
unsigned int major, minor;
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 9006fdb26fea2b01abc324c0f64b6ad9883eb7fa..6d1b86661e633410b5698ca075047fa2f62a12a2 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -623,7 +623,9 @@ static const struct attribute_group gpiochip_attr_group = {
* /sys/class/gpio/unexport ... write-only
* integer N ... number of GPIO to unexport
*/
-static ssize_t export_store(struct class *class, const char *buf, size_t len)
+static ssize_t export_store(struct class *class,
+ struct class_attribute *attr,
+ const char *buf, size_t len)
{
long gpio;
int status;
@@ -653,7 +655,9 @@ done:
return status ? : len;
}
-static ssize_t unexport_store(struct class *class, const char *buf, size_t len)
+static ssize_t unexport_store(struct class *class,
+ struct class_attribute *attr,
+ const char *buf, size_t len)
{
long gpio;
int status;
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 7e42b7e9d43a4ab67a3430360dfab11f9935a87b..b95aaf23596e1a21ebe3b6d6ea2df30c01da1b67 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -71,7 +71,8 @@ static int drm_class_resume(struct device *dev)
}
/* Display the version of drm_core. This doesn't work right in current design */
-static ssize_t version_show(struct class *dev, char *buf)
+static ssize_t version_show(struct class *dev, struct class_attribute *attr,
+ char *buf)
{
return sprintf(buf, "%s %d.%d.%d %s\n", CORE_NAME, CORE_MAJOR,
CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE);
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 1b09b735c5a8361a47904c55d505ff1674e4d560..02e209ff33fdf6733397b724a510887013653316 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -1336,7 +1336,9 @@ static void ib_ucm_remove_one(struct ib_device *device)
device_unregister(&ucm_dev->dev);
}
-static ssize_t show_abi_version(struct class *class, char *buf)
+static ssize_t show_abi_version(struct class *class,
+ struct class_attribute *attr,
+ char *buf)
{
return sprintf(buf, "%d\n", IB_USER_CM_ABI_VERSION);
}
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 02d360cfc2f7b930bb3ec20180e689539c94076c..d0de8f265f452c16219a7a5555751a8e2ae568a1 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -965,7 +965,9 @@ static ssize_t show_port(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR(port, S_IRUGO, show_port, NULL);
-static ssize_t show_abi_version(struct class *class, char *buf)
+static ssize_t show_abi_version(struct class *class,
+ struct class_attribute *attr,
+ char *buf)
{
return sprintf(buf, "%d\n", IB_USER_MAD_ABI_VERSION);
}
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 4fa2e65164418e033e36065baeec38d74db32032..60879399207aa2a327fcb4482ce82b94cac06730 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -691,7 +691,9 @@ static ssize_t show_dev_abi_version(struct device *device,
}
static DEVICE_ATTR(abi_version, S_IRUGO, show_dev_abi_version, NULL);
-static ssize_t show_abi_version(struct class *class, char *buf)
+static ssize_t show_abi_version(struct class *class,
+ struct class_attribute *attr,
+ char *buf)
{
return sprintf(buf, "%d\n", IB_USER_VERBS_ABI_VERSION);
}
diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c
index 04c27266f567548306e29df293deda919866d4e6..d30ae956030929cf4aa85ee41e8a1f2aa3c63fab 100644
--- a/drivers/misc/phantom.c
+++ b/drivers/misc/phantom.c
@@ -497,7 +497,7 @@ static struct pci_driver phantom_pci_driver = {
.resume = phantom_resume
};
-static ssize_t phantom_show_version(struct class *cls, char *buf)
+static ssize_t phantom_show_version(struct class *cls, struct class_attribute *attr, char *buf)
{
return sprintf(buf, PHANTOM_VERSION "\n");
}
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index bc45ef9af17d8f94b3cd2bed56e6771837296082..fad40aa6f099c3070c64d8ba9c7321e20fcb88db 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -89,7 +89,8 @@ DEFINE_MUTEX(ubi_devices_mutex);
static DEFINE_SPINLOCK(ubi_devices_lock);
/* "Show" method for files in '/<sysfs>/class/ubi/' */
-static ssize_t ubi_version_show(struct class *class, char *buf)
+static ssize_t ubi_version_show(struct class *class, struct class_attribute *attr,
+ char *buf)
{
return sprintf(buf, "%d\n", UBI_VERSION);
}
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 5acd557cea9ba7ab4c4cbcb36323dccee02bff20..b8bec086daa155b2c6f36884a059f4749f5636fd 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -51,7 +51,9 @@
* "show" function for the bond_masters attribute.
* The class parameter is ignored.
*/
-static ssize_t bonding_show_bonds(struct class *cls, char *buf)
+static ssize_t bonding_show_bonds(struct class *cls,
+ struct class_attribute *attr,
+ char *buf)
{
struct net *net = current->nsproxy->net_ns;
struct bond_net *bn = net_generic(net, bond_net_id);
@@ -98,6 +100,7 @@ static struct net_device *bond_get_by_name(struct net *net, const char *ifname)
*/
static ssize_t bonding_store_bonds(struct class *cls,
+ struct class_attribute *attr,
const char *buffer, size_t count)
{
struct net *net = current->nsproxy->net_ns;
diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index cadb6f7321add9a7b217f515f45ec8a5375711f5..7d93f50a0a64662e5c5f6ad810b52ae874f8f3b6 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -770,7 +770,9 @@ static struct usb_driver oled_driver = {
.id_table = id_table,
};
-static ssize_t version_show(struct class *dev, char *buf)
+static ssize_t version_show(struct class *dev,
+ struct class_attribute *attr,
+ char *buf)
{
return sprintf(buf, ASUS_OLED_UNDERSCORE_NAME " %s\n",
ASUS_OLED_VERSION);
diff --git a/drivers/uwb/driver.c b/drivers/uwb/driver.c
index da77e41de99004c5e80d2453561e6105553a0f40..08bd6dbfd4a6d03acf870d4328633e05dd0db401 100644
--- a/drivers/uwb/driver.c
+++ b/drivers/uwb/driver.c
@@ -74,13 +74,16 @@
unsigned long beacon_timeout_ms = 500;
static
-ssize_t beacon_timeout_ms_show(struct class *class, char *buf)
+ssize_t beacon_timeout_ms_show(struct class *class,
+ struct class_attribute *attr,
+ char *buf)
{
return scnprintf(buf, PAGE_SIZE, "%lu\n", beacon_timeout_ms);
}
static
ssize_t beacon_timeout_ms_store(struct class *class,
+ struct class_attribute *attr,
const char *buf, size_t size)
{
unsigned long bt;
diff --git a/include/linux/device.h b/include/linux/device.h
index b30527db3ac0f69ed95089f79c1e1dd7965479fc..190f8d30d1d39cfa32f553f256f691268cd5c362 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -251,8 +251,10 @@ extern struct device *class_find_device(struct class *class,
struct class_attribute {
struct attribute attr;
- ssize_t (*show)(struct class *class, char *buf);
- ssize_t (*store)(struct class *class, const char *buf, size_t count);
+ ssize_t (*show)(struct class *class, struct class_attribute *attr,
+ char *buf);
+ ssize_t (*store)(struct class *class, struct class_attribute *attr,
+ const char *buf, size_t count);
};
#define CLASS_ATTR(_name, _mode, _show, _store) \
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 400efa26ddbab7474fdfc1d1992eb204b4104f20..4db7ae2fe07dea0fcc12d142f072b8ebef5c6a58 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3937,7 +3937,9 @@ drop:
return 0;
}
-static ssize_t l2cap_sysfs_show(struct class *dev, char *buf)
+static ssize_t l2cap_sysfs_show(struct class *dev,
+ struct class_attribute *attr,
+ char *buf)
{
struct sock *sk;
struct hlist_node *node;
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 89f4a59eb82b9a520886a35e6b3aa65a6286ea70..db8a68e1a5ba835c11eff1f4d1f0525642e9ab41 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -2098,7 +2098,9 @@ static struct hci_cb rfcomm_cb = {
.security_cfm = rfcomm_security_cfm
};
-static ssize_t rfcomm_dlc_sysfs_show(struct class *dev, char *buf)
+static ssize_t rfcomm_dlc_sysfs_show(struct class *dev,
+ struct class_attribute *attr,
+ char *buf)
{
struct rfcomm_session *s;
struct list_head *pp, *p;
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 4b5968dda6736bab575a4ac2a6200dbff400d7b3..ca87d6ac6a2036dd7030c334c133e4326edcda62 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -1061,7 +1061,9 @@ done:
return result;
}
-static ssize_t rfcomm_sock_sysfs_show(struct class *dev, char *buf)
+static ssize_t rfcomm_sock_sysfs_show(struct class *dev,
+ struct class_attribute *attr,
+ char *buf)
{
struct sock *sk;
struct hlist_node *node;
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index dd8f6ec57dcec21cc6401c7dba5a74af67beb782..f93b939539bc121da4448ce68e0e785b55b08416 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -953,7 +953,9 @@ drop:
return 0;
}
-static ssize_t sco_sysfs_show(struct class *dev, char *buf)
+static ssize_t sco_sysfs_show(struct class *dev,
+ struct class_attribute *attr,
+ char *buf)
{
struct sock *sk;
struct hlist_node *node;