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Diffstat (limited to 'fs')
-rw-r--r--fs/compat_ioctl.c114
-rw-r--r--fs/configfs/dir.c28
-rw-r--r--fs/dlm/config.c45
-rw-r--r--fs/ocfs2/cluster/heartbeat.c19
-rw-r--r--fs/ocfs2/cluster/nodemanager.c49
-rw-r--r--fs/proc/proc_net.c32
-rw-r--r--fs/proc/proc_tty.c48
7 files changed, 89 insertions, 246 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index c54eaab71a1..7b3a03c7c6a 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -58,7 +58,6 @@
#include <linux/syscalls.h>
#include <linux/i2c.h>
#include <linux/i2c-dev.h>
-#include <linux/wireless.h>
#include <linux/atalk.h>
#include <linux/loop.h>
@@ -1759,64 +1758,6 @@ static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, unsigned long a
return sys_ioctl(fd, cmd, (unsigned long)tdata);
}
-struct compat_iw_point {
- compat_caddr_t pointer;
- __u16 length;
- __u16 flags;
-};
-
-static int do_wireless_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct iwreq __user *iwr;
- struct iwreq __user *iwr_u;
- struct iw_point __user *iwp;
- struct compat_iw_point __user *iwp_u;
- compat_caddr_t pointer_u;
- void __user *pointer;
- __u16 length, flags;
- int ret;
-
- iwr_u = compat_ptr(arg);
- iwp_u = (struct compat_iw_point __user *) &iwr_u->u.data;
- iwr = compat_alloc_user_space(sizeof(*iwr));
- if (iwr == NULL)
- return -ENOMEM;
-
- iwp = &iwr->u.data;
-
- if (!access_ok(VERIFY_WRITE, iwr, sizeof(*iwr)))
- return -EFAULT;
-
- if (__copy_in_user(&iwr->ifr_ifrn.ifrn_name[0],
- &iwr_u->ifr_ifrn.ifrn_name[0],
- sizeof(iwr->ifr_ifrn.ifrn_name)))
- return -EFAULT;
-
- if (__get_user(pointer_u, &iwp_u->pointer) ||
- __get_user(length, &iwp_u->length) ||
- __get_user(flags, &iwp_u->flags))
- return -EFAULT;
-
- if (__put_user(compat_ptr(pointer_u), &iwp->pointer) ||
- __put_user(length, &iwp->length) ||
- __put_user(flags, &iwp->flags))
- return -EFAULT;
-
- ret = sys_ioctl(fd, cmd, (unsigned long) iwr);
-
- if (__get_user(pointer, &iwp->pointer) ||
- __get_user(length, &iwp->length) ||
- __get_user(flags, &iwp->flags))
- return -EFAULT;
-
- if (__put_user(ptr_to_compat(pointer), &iwp_u->pointer) ||
- __put_user(length, &iwp_u->length) ||
- __put_user(flags, &iwp_u->flags))
- return -EFAULT;
-
- return ret;
-}
-
/* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
* for some operations; this forces use of the newer bridge-utils that
* use compatiable ioctls
@@ -2405,6 +2346,7 @@ COMPATIBLE_IOCTL(HCIGETDEVLIST)
COMPATIBLE_IOCTL(HCIGETDEVINFO)
COMPATIBLE_IOCTL(HCIGETCONNLIST)
COMPATIBLE_IOCTL(HCIGETCONNINFO)
+COMPATIBLE_IOCTL(HCIGETAUTHINFO)
COMPATIBLE_IOCTL(HCISETRAW)
COMPATIBLE_IOCTL(HCISETSCAN)
COMPATIBLE_IOCTL(HCISETAUTH)
@@ -2501,36 +2443,6 @@ COMPATIBLE_IOCTL(I2C_TENBIT)
COMPATIBLE_IOCTL(I2C_PEC)
COMPATIBLE_IOCTL(I2C_RETRIES)
COMPATIBLE_IOCTL(I2C_TIMEOUT)
-/* wireless */
-COMPATIBLE_IOCTL(SIOCSIWCOMMIT)
-COMPATIBLE_IOCTL(SIOCGIWNAME)
-COMPATIBLE_IOCTL(SIOCSIWNWID)
-COMPATIBLE_IOCTL(SIOCGIWNWID)
-COMPATIBLE_IOCTL(SIOCSIWFREQ)
-COMPATIBLE_IOCTL(SIOCGIWFREQ)
-COMPATIBLE_IOCTL(SIOCSIWMODE)
-COMPATIBLE_IOCTL(SIOCGIWMODE)
-COMPATIBLE_IOCTL(SIOCSIWSENS)
-COMPATIBLE_IOCTL(SIOCGIWSENS)
-COMPATIBLE_IOCTL(SIOCSIWRANGE)
-COMPATIBLE_IOCTL(SIOCSIWPRIV)
-COMPATIBLE_IOCTL(SIOCSIWSTATS)
-COMPATIBLE_IOCTL(SIOCSIWAP)
-COMPATIBLE_IOCTL(SIOCGIWAP)
-COMPATIBLE_IOCTL(SIOCSIWRATE)
-COMPATIBLE_IOCTL(SIOCGIWRATE)
-COMPATIBLE_IOCTL(SIOCSIWRTS)
-COMPATIBLE_IOCTL(SIOCGIWRTS)
-COMPATIBLE_IOCTL(SIOCSIWFRAG)
-COMPATIBLE_IOCTL(SIOCGIWFRAG)
-COMPATIBLE_IOCTL(SIOCSIWTXPOW)
-COMPATIBLE_IOCTL(SIOCGIWTXPOW)
-COMPATIBLE_IOCTL(SIOCSIWRETRY)
-COMPATIBLE_IOCTL(SIOCGIWRETRY)
-COMPATIBLE_IOCTL(SIOCSIWPOWER)
-COMPATIBLE_IOCTL(SIOCGIWPOWER)
-COMPATIBLE_IOCTL(SIOCSIWAUTH)
-COMPATIBLE_IOCTL(SIOCGIWAUTH)
/* hiddev */
COMPATIBLE_IOCTL(HIDIOCGVERSION)
COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
@@ -2761,29 +2673,7 @@ COMPATIBLE_IOCTL(USBDEVFS_IOCTL32)
HANDLE_IOCTL(I2C_FUNCS, w_long)
HANDLE_IOCTL(I2C_RDWR, do_i2c_rdwr_ioctl)
HANDLE_IOCTL(I2C_SMBUS, do_i2c_smbus_ioctl)
-/* wireless */
-HANDLE_IOCTL(SIOCGIWRANGE, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWPRIV, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWSTATS, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCSIWSPY, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWSPY, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCSIWTHRSPY, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWTHRSPY, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCSIWMLME, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWAPLIST, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCSIWSCAN, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWSCAN, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCSIWESSID, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWESSID, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCSIWNICKN, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWNICKN, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCSIWENCODE, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWENCODE, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCSIWGENIE, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWGENIE, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCSIWENCODEEXT, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCGIWENCODEEXT, do_wireless_ioctl)
-HANDLE_IOCTL(SIOCSIWPMKSA, do_wireless_ioctl)
+/* bridge */
HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
/* Not implemented in the native kernel */
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 0e64312a084..179589be063 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1027,9 +1027,10 @@ EXPORT_SYMBOL(configfs_undepend_item);
static int configfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
- int ret, module_got = 0;
- struct config_group *group;
- struct config_item *item;
+ int ret = 0;
+ int module_got = 0;
+ struct config_group *group = NULL;
+ struct config_item *item = NULL;
struct config_item *parent_item;
struct configfs_subsystem *subsys;
struct configfs_dirent *sd;
@@ -1070,25 +1071,30 @@ static int configfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
snprintf(name, dentry->d_name.len + 1, "%s", dentry->d_name.name);
mutex_lock(&subsys->su_mutex);
- group = NULL;
- item = NULL;
if (type->ct_group_ops->make_group) {
- ret = type->ct_group_ops->make_group(to_config_group(parent_item), name, &group);
- if (!ret) {
+ group = type->ct_group_ops->make_group(to_config_group(parent_item), name);
+ if (!group)
+ group = ERR_PTR(-ENOMEM);
+ if (!IS_ERR(group)) {
link_group(to_config_group(parent_item), group);
item = &group->cg_item;
- }
+ } else
+ ret = PTR_ERR(group);
} else {
- ret = type->ct_group_ops->make_item(to_config_group(parent_item), name, &item);
- if (!ret)
+ item = type->ct_group_ops->make_item(to_config_group(parent_item), name);
+ if (!item)
+ item = ERR_PTR(-ENOMEM);
+ if (!IS_ERR(item))
link_obj(parent_item, item);
+ else
+ ret = PTR_ERR(item);
}
mutex_unlock(&subsys->su_mutex);
kfree(name);
if (ret) {
/*
- * If ret != 0, then link_obj() was never called.
+ * If item == NULL, then link_obj() was never called.
* There are no extra references to clean up.
*/
goto out_put;
diff --git a/fs/dlm/config.c b/fs/dlm/config.c
index 492d8caaaf2..c4e7d721bd8 100644
--- a/fs/dlm/config.c
+++ b/fs/dlm/config.c
@@ -41,20 +41,16 @@ struct comm;
struct nodes;
struct node;
-static int make_cluster(struct config_group *, const char *,
- struct config_group **);
+static struct config_group *make_cluster(struct config_group *, const char *);
static void drop_cluster(struct config_group *, struct config_item *);
static void release_cluster(struct config_item *);
-static int make_space(struct config_group *, const char *,
- struct config_group **);
+static struct config_group *make_space(struct config_group *, const char *);
static void drop_space(struct config_group *, struct config_item *);
static void release_space(struct config_item *);
-static int make_comm(struct config_group *, const char *,
- struct config_item **);
+static struct config_item *make_comm(struct config_group *, const char *);
static void drop_comm(struct config_group *, struct config_item *);
static void release_comm(struct config_item *);
-static int make_node(struct config_group *, const char *,
- struct config_item **);
+static struct config_item *make_node(struct config_group *, const char *);
static void drop_node(struct config_group *, struct config_item *);
static void release_node(struct config_item *);
@@ -396,8 +392,8 @@ static struct node *to_node(struct config_item *i)
return i ? container_of(i, struct node, item) : NULL;
}
-static int make_cluster(struct config_group *g, const char *name,
- struct config_group **new_g)
+static struct config_group *make_cluster(struct config_group *g,
+ const char *name)
{
struct cluster *cl = NULL;
struct spaces *sps = NULL;
@@ -435,15 +431,14 @@ static int make_cluster(struct config_group *g, const char *name,
space_list = &sps->ss_group;
comm_list = &cms->cs_group;
- *new_g = &cl->group;
- return 0;
+ return &cl->group;
fail:
kfree(cl);
kfree(gps);
kfree(sps);
kfree(cms);
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
static void drop_cluster(struct config_group *g, struct config_item *i)
@@ -471,8 +466,7 @@ static void release_cluster(struct config_item *i)
kfree(cl);
}
-static int make_space(struct config_group *g, const char *name,
- struct config_group **new_g)
+static struct config_group *make_space(struct config_group *g, const char *name)
{
struct space *sp = NULL;
struct nodes *nds = NULL;
@@ -495,14 +489,13 @@ static int make_space(struct config_group *g, const char *name,
INIT_LIST_HEAD(&sp->members);
mutex_init(&sp->members_lock);
sp->members_count = 0;
- *new_g = &sp->group;
- return 0;
+ return &sp->group;
fail:
kfree(sp);
kfree(gps);
kfree(nds);
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
static void drop_space(struct config_group *g, struct config_item *i)
@@ -529,21 +522,19 @@ static void release_space(struct config_item *i)
kfree(sp);
}
-static int make_comm(struct config_group *g, const char *name,
- struct config_item **new_i)
+static struct config_item *make_comm(struct config_group *g, const char *name)
{
struct comm *cm;
cm = kzalloc(sizeof(struct comm), GFP_KERNEL);
if (!cm)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
config_item_init_type_name(&cm->item, name, &comm_type);
cm->nodeid = -1;
cm->local = 0;
cm->addr_count = 0;
- *new_i = &cm->item;
- return 0;
+ return &cm->item;
}
static void drop_comm(struct config_group *g, struct config_item *i)
@@ -563,15 +554,14 @@ static void release_comm(struct config_item *i)
kfree(cm);
}
-static int make_node(struct config_group *g, const char *name,
- struct config_item **new_i)
+static struct config_item *make_node(struct config_group *g, const char *name)
{
struct space *sp = to_space(g->cg_item.ci_parent);
struct node *nd;
nd = kzalloc(sizeof(struct node), GFP_KERNEL);
if (!nd)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
config_item_init_type_name(&nd->item, name, &node_type);
nd->nodeid = -1;
@@ -583,8 +573,7 @@ static int make_node(struct config_group *g, const char *name,
sp->members_count++;
mutex_unlock(&sp->members_lock);
- *new_i = &nd->item;
- return 0;
+ return &nd->item;
}
static void drop_node(struct config_group *g, struct config_item *i)
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 443d108211a..7dce1612553 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1489,31 +1489,22 @@ static struct o2hb_heartbeat_group *to_o2hb_heartbeat_group(struct config_group
: NULL;
}
-static int o2hb_heartbeat_group_make_item(struct config_group *group,
- const char *name,
- struct config_item **new_item)
+static struct config_item *o2hb_heartbeat_group_make_item(struct config_group *group,
+ const char *name)
{
struct o2hb_region *reg = NULL;
- int ret = 0;
reg = kzalloc(sizeof(struct o2hb_region), GFP_KERNEL);
- if (reg == NULL) {
- ret = -ENOMEM;
- goto out;
- }
+ if (reg == NULL)
+ return ERR_PTR(-ENOMEM);
config_item_init_type_name(&reg->hr_item, name, &o2hb_region_type);
- *new_item = &reg->hr_item;
-
spin_lock(&o2hb_live_lock);
list_add_tail(&reg->hr_all_item, &o2hb_all_regions);
spin_unlock(&o2hb_live_lock);
-out:
- if (ret)
- kfree(reg);
- return ret;
+ return &reg->hr_item;
}
static void o2hb_heartbeat_group_drop_item(struct config_group *group,
diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c
index b364b7052e4..816a3f61330 100644
--- a/fs/ocfs2/cluster/nodemanager.c
+++ b/fs/ocfs2/cluster/nodemanager.c
@@ -644,35 +644,23 @@ out:
return ret;
}
-static int o2nm_node_group_make_item(struct config_group *group,
- const char *name,
- struct config_item **new_item)
+static struct config_item *o2nm_node_group_make_item(struct config_group *group,
+ const char *name)
{
struct o2nm_node *node = NULL;
- int ret = 0;
- if (strlen(name) > O2NM_MAX_NAME_LEN) {
- ret = -ENAMETOOLONG;
- goto out;
- }
+ if (strlen(name) > O2NM_MAX_NAME_LEN)
+ return ERR_PTR(-ENAMETOOLONG);
node = kzalloc(sizeof(struct o2nm_node), GFP_KERNEL);
- if (node == NULL) {
- ret = -ENOMEM;
- goto out;
- }
+ if (node == NULL)
+ return ERR_PTR(-ENOMEM);
strcpy(node->nd_name, name); /* use item.ci_namebuf instead? */
config_item_init_type_name(&node->nd_item, name, &o2nm_node_type);
spin_lock_init(&node->nd_lock);
- *new_item = &node->nd_item;
-
-out:
- if (ret)
- kfree(node);
-
- return ret;
+ return &node->nd_item;
}
static void o2nm_node_group_drop_item(struct config_group *group,
@@ -756,31 +744,25 @@ static struct o2nm_cluster_group *to_o2nm_cluster_group(struct config_group *gro
}
#endif
-static int o2nm_cluster_group_make_group(struct config_group *group,
- const char *name,
- struct config_group **new_group)
+static struct config_group *o2nm_cluster_group_make_group(struct config_group *group,
+ const char *name)
{
struct o2nm_cluster *cluster = NULL;
struct o2nm_node_group *ns = NULL;
- struct config_group *o2hb_group = NULL;
+ struct config_group *o2hb_group = NULL, *ret = NULL;
void *defs = NULL;
- int ret = 0;
/* this runs under the parent dir's i_mutex; there can be only
* one caller in here at a time */
- if (o2nm_single_cluster) {
- ret = -ENOSPC;
- goto out;
- }
+ if (o2nm_single_cluster)
+ return ERR_PTR(-ENOSPC);
cluster = kzalloc(sizeof(struct o2nm_cluster), GFP_KERNEL);
ns = kzalloc(sizeof(struct o2nm_node_group), GFP_KERNEL);
defs = kcalloc(3, sizeof(struct config_group *), GFP_KERNEL);
o2hb_group = o2hb_alloc_hb_set();
- if (cluster == NULL || ns == NULL || o2hb_group == NULL || defs == NULL) {
- ret = -ENOMEM;
+ if (cluster == NULL || ns == NULL || o2hb_group == NULL || defs == NULL)
goto out;
- }
config_group_init_type_name(&cluster->cl_group, name,
&o2nm_cluster_type);
@@ -797,15 +779,16 @@ static int o2nm_cluster_group_make_group(struct config_group *group,
cluster->cl_idle_timeout_ms = O2NET_IDLE_TIMEOUT_MS_DEFAULT;
cluster->cl_keepalive_delay_ms = O2NET_KEEPALIVE_DELAY_MS_DEFAULT;
- *new_group = &cluster->cl_group;
+ ret = &cluster->cl_group;
o2nm_single_cluster = cluster;
out:
- if (ret) {
+ if (ret == NULL) {
kfree(cluster);
kfree(ns);
o2hb_free_hb_set(o2hb_group);
kfree(defs);
+ ret = ERR_PTR(-ENOMEM);
}
return ret;
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index 83f357b30d7..b224a28e0c1 100644
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -51,6 +51,30 @@ int seq_open_net(struct inode *ino, struct file *f,
}
EXPORT_SYMBOL_GPL(seq_open_net);
+int single_open_net(struct inode *inode, struct file *file,
+ int (*show)(struct seq_file *, void *))
+{
+ int err;
+ struct net *net;
+
+ err = -ENXIO;
+ net = get_proc_net(inode);
+ if (net == NULL)
+ goto err_net;
+
+ err = single_open(file, show, net);
+ if (err < 0)
+ goto err_open;
+
+ return 0;
+
+err_open:
+ put_net(net);
+err_net:
+ return err;
+}
+EXPORT_SYMBOL_GPL(single_open_net);
+
int seq_release_net(struct inode *ino, struct file *f)
{
struct seq_file *seq;
@@ -63,6 +87,14 @@ int seq_release_net(struct inode *ino, struct file *f)
}
EXPORT_SYMBOL_GPL(seq_release_net);
+int single_release_net(struct inode *ino, struct file *f)
+{
+ struct seq_file *seq = f->private_data;
+ put_net(seq->private);
+ return single_release(ino, f);
+}
+EXPORT_SYMBOL_GPL(single_release_net);
+
static struct net *get_proc_task_net(struct inode *dir)
{
struct task_struct *task;
diff --git a/fs/proc/proc_tty.c b/fs/proc/proc_tty.c
index 21f490f5d65..d153946d6d1 100644
--- a/fs/proc/proc_tty.c
+++ b/fs/proc/proc_tty.c
@@ -136,54 +136,6 @@ static const struct file_operations proc_tty_drivers_operations = {
.release = seq_release,
};
-static void * tty_ldiscs_seq_start(struct seq_file *m, loff_t *pos)
-{
- return (*pos < NR_LDISCS) ? pos : NULL;
-}
-
-static void * tty_ldiscs_seq_next(struct seq_file *m, void *v, loff_t *pos)
-{
- (*pos)++;
- return (*pos < NR_LDISCS) ? pos : NULL;
-}
-
-static void tty_ldiscs_seq_stop(struct seq_file *m, void *v)
-{
-}
-
-static int tty_ldiscs_seq_show(struct seq_file *m, void *v)
-{
- int i = *(loff_t *)v;
- struct tty_ldisc *ld;
-
- ld = tty_ldisc_get(i);
- if (ld == NULL)
- return 0;
- seq_printf(m, "%-10s %2d\n", ld->name ? ld->name : "???", i);
- tty_ldisc_put(i);
- return 0;
-}
-
-static const struct seq_operations tty_ldiscs_seq_ops = {
- .start = tty_ldiscs_seq_start,
- .next = tty_ldiscs_seq_next,
- .stop = tty_ldiscs_seq_stop,
- .show = tty_ldiscs_seq_show,
-};
-
-static int proc_tty_ldiscs_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &tty_ldiscs_seq_ops);
-}
-
-static const struct file_operations tty_ldiscs_proc_fops = {
- .owner = THIS_MODULE,
- .open = proc_tty_ldiscs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
/*
* This function is called by tty_register_driver() to handle
* registering the driver's /proc handler into /proc/tty/driver/<foo>
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-04 11:00:23 +0000