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[PATCH] mark f_ops const in the inode 

Mark the f_ops members of inodes as const, as well as fix the
ripple-through this causes by places that copy this f_ops and then "do
stuff" with it.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Arjan van de Ven 2006-03-28 01:56:41 -08:00 committed by Linus Torvalds
parent ec1b9466cb
commit 99ac48f54a
42 changed files with 75 additions and 74 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/powerpc/platforms/cell/spufs/inode.c
View File

@ -103,7 +103,7 @@ spufs_setattr(struct dentry *dentry, struct iattr *attr)
static int static int
spufs_new_file(struct super_block *sb, struct dentry *dentry, spufs_new_file(struct super_block *sb, struct dentry *dentry,
struct file_operations *fops, int mode, const struct file_operations *fops, int mode,
struct spu_context *ctx) struct spu_context *ctx)
{ {
static struct inode_operations spufs_file_iops = { static struct inode_operations spufs_file_iops = {

2
arch/ppc/kernel/ppc_htab.c
View File

@ -52,7 +52,7 @@ static int ppc_htab_open(struct inode *inode, struct file *file)
return single_open(file, ppc_htab_show, NULL); return single_open(file, ppc_htab_show, NULL);
} }
struct file_operations ppc_htab_operations = { const struct file_operations ppc_htab_operations = {
.open = ppc_htab_open, .open = ppc_htab_open,
.read = seq_read, .read = seq_read,
.llseek = seq_lseek, .llseek = seq_lseek,

2
drivers/char/drm/drm_fops.c
View File

@ -175,7 +175,7 @@ int drm_stub_open(struct inode *inode, struct file *filp)
drm_device_t *dev = NULL; drm_device_t *dev = NULL;
int minor = iminor(inode); int minor = iminor(inode);
int err = -ENODEV; int err = -ENODEV;
struct file_operations *old_fops; const struct file_operations *old_fops;
DRM_DEBUG("\n"); DRM_DEBUG("\n");

2
drivers/char/drm/i810_dma.c
View File

@ -126,7 +126,7 @@ static int i810_map_buffer(drm_buf_t * buf, struct file *filp)
drm_device_t *dev = priv->head->dev; drm_device_t *dev = priv->head->dev;
drm_i810_buf_priv_t *buf_priv = buf->dev_private; drm_i810_buf_priv_t *buf_priv = buf->dev_private;
drm_i810_private_t *dev_priv = dev->dev_private; drm_i810_private_t *dev_priv = dev->dev_private;
struct file_operations *old_fops; const struct file_operations *old_fops;
int retcode = 0; int retcode = 0;
if (buf_priv->currently_mapped == I810_BUF_MAPPED) if (buf_priv->currently_mapped == I810_BUF_MAPPED)

2
drivers/char/drm/i830_dma.c
View File

@ -128,7 +128,7 @@ static int i830_map_buffer(drm_buf_t * buf, struct file *filp)
drm_device_t *dev = priv->head->dev; drm_device_t *dev = priv->head->dev;
drm_i830_buf_priv_t *buf_priv = buf->dev_private; drm_i830_buf_priv_t *buf_priv = buf->dev_private;
drm_i830_private_t *dev_priv = dev->dev_private; drm_i830_private_t *dev_priv = dev->dev_private;
struct file_operations *old_fops; const struct file_operations *old_fops;
unsigned long virtual; unsigned long virtual;
int retcode = 0; int retcode = 0;

2
drivers/char/mem.c
View File

@ -899,7 +899,7 @@ static const struct {
unsigned int minor; unsigned int minor;
char *name; char *name;
umode_t mode; umode_t mode;
struct file_operations *fops; const struct file_operations *fops;
} devlist[] = { /* list of minor devices */ } devlist[] = { /* list of minor devices */
{1, "mem", S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops}, {1, "mem", S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops},
{2, "kmem", S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops}, {2, "kmem", S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops},

2
drivers/char/misc.c
View File

@ -129,7 +129,7 @@ static int misc_open(struct inode * inode, struct file * file)
int minor = iminor(inode); int minor = iminor(inode);
struct miscdevice *c; struct miscdevice *c;
int err = -ENODEV; int err = -ENODEV;
struct file_operations *old_fops, *new_fops = NULL; const struct file_operations *old_fops, *new_fops = NULL;
down(&misc_sem); down(&misc_sem);

2
drivers/input/input.c
View File

@ -923,7 +923,7 @@ void input_unregister_handler(struct input_handler *handler)
static int input_open_file(struct inode *inode, struct file *file) static int input_open_file(struct inode *inode, struct file *file)
{ {
struct input_handler *handler = input_table[iminor(inode) >> 5]; struct input_handler *handler = input_table[iminor(inode) >> 5];
struct file_operations *old_fops, *new_fops = NULL; const struct file_operations *old_fops, *new_fops = NULL;
int err; int err;
/* No load-on-demand here? */ /* No load-on-demand here? */

2
drivers/isdn/capi/kcapi_proc.c
View File

@ -233,7 +233,7 @@ static struct file_operations proc_applstats_ops = {
}; };
static void static void
create_seq_entry(char *name, mode_t mode, struct file_operations *f) create_seq_entry(char *name, mode_t mode, const struct file_operations *f)
{ {
struct proc_dir_entry *entry; struct proc_dir_entry *entry;
entry = create_proc_entry(name, mode, NULL); entry = create_proc_entry(name, mode, NULL);

2
drivers/media/dvb/dvb-core/dvbdev.c
View File

@ -86,7 +86,7 @@ static int dvb_device_open(struct inode *inode, struct file *file)
if (dvbdev && dvbdev->fops) { if (dvbdev && dvbdev->fops) {
int err = 0; int err = 0;
struct file_operations *old_fops; const struct file_operations *old_fops;
file->private_data = dvbdev; file->private_data = dvbdev;
old_fops = file->f_op; old_fops = file->f_op;

2
drivers/media/video/videodev.c
View File

@ -97,7 +97,7 @@ static int video_open(struct inode *inode, struct file *file)
unsigned int minor = iminor(inode); unsigned int minor = iminor(inode);
int err = 0; int err = 0;
struct video_device *vfl; struct video_device *vfl;
struct file_operations *old_fops; const struct file_operations *old_fops;
if(minor>=VIDEO_NUM_DEVICES) if(minor>=VIDEO_NUM_DEVICES)
return -ENODEV; return -ENODEV;

2
drivers/message/i2o/i2o_proc.c
View File

@ -56,7 +56,7 @@
typedef struct _i2o_proc_entry_t { typedef struct _i2o_proc_entry_t {
char *name; /* entry name */ char *name; /* entry name */
mode_t mode; /* mode */ mode_t mode; /* mode */
struct file_operations *fops; /* open function */ const struct file_operations *fops; /* open function */
} i2o_proc_entry; } i2o_proc_entry;
/* global I2O /proc/i2o entry */ /* global I2O /proc/i2o entry */

6
drivers/oprofile/oprofilefs.c
View File

@ -130,7 +130,7 @@ static struct file_operations ulong_ro_fops = {
static struct dentry * __oprofilefs_create_file(struct super_block * sb, static struct dentry * __oprofilefs_create_file(struct super_block * sb,
struct dentry * root, char const * name, struct file_operations * fops, struct dentry * root, char const * name, const struct file_operations * fops,
int perm) int perm)
{ {
struct dentry * dentry; struct dentry * dentry;
@ -203,7 +203,7 @@ int oprofilefs_create_ro_atomic(struct super_block * sb, struct dentry * root,
int oprofilefs_create_file(struct super_block * sb, struct dentry * root, int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
char const * name, struct file_operations * fops) char const * name, const struct file_operations * fops)
{ {
if (!__oprofilefs_create_file(sb, root, name, fops, 0644)) if (!__oprofilefs_create_file(sb, root, name, fops, 0644))
return -EFAULT; return -EFAULT;
@ -212,7 +212,7 @@ int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root, int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root,
char const * name, struct file_operations * fops, int perm) char const * name, const struct file_operations * fops, int perm)
{ {
if (!__oprofilefs_create_file(sb, root, name, fops, perm)) if (!__oprofilefs_create_file(sb, root, name, fops, perm))
return -EFAULT; return -EFAULT;

2
drivers/telephony/phonedev.c
View File

@ -49,7 +49,7 @@ static int phone_open(struct inode *inode, struct file *file)
unsigned int minor = iminor(inode); unsigned int minor = iminor(inode);
int err = 0; int err = 0;
struct phone_device *p; struct phone_device *p;
struct file_operations *old_fops, *new_fops = NULL; const struct file_operations *old_fops, *new_fops = NULL;
if (minor >= PHONE_NUM_DEVICES) if (minor >= PHONE_NUM_DEVICES)
return -ENODEV; return -ENODEV;

6
drivers/usb/core/file.c
View File

@ -24,15 +24,15 @@
#include "usb.h" #include "usb.h"
#define MAX_USB_MINORS 256 #define MAX_USB_MINORS 256
static struct file_operations *usb_minors[MAX_USB_MINORS]; static const struct file_operations *usb_minors[MAX_USB_MINORS];
static DEFINE_SPINLOCK(minor_lock); static DEFINE_SPINLOCK(minor_lock);
static int usb_open(struct inode * inode, struct file * file) static int usb_open(struct inode * inode, struct file * file)
{ {
int minor = iminor(inode); int minor = iminor(inode);
struct file_operations *c; const struct file_operations *c;
int err = -ENODEV; int err = -ENODEV;
struct file_operations *old_fops, *new_fops = NULL; const struct file_operations *old_fops, *new_fops = NULL;
spin_lock (&minor_lock); spin_lock (&minor_lock);
c = usb_minors[minor]; c = usb_minors[minor];

6
drivers/usb/gadget/inode.c
View File

@ -1581,7 +1581,7 @@ restart:
static struct inode * static struct inode *
gadgetfs_create_file (struct super_block *sb, char const *name, gadgetfs_create_file (struct super_block *sb, char const *name,
void *data, struct file_operations *fops, void *data, const struct file_operations *fops,
struct dentry **dentry_p); struct dentry **dentry_p);
static int activate_ep_files (struct dev_data *dev) static int activate_ep_files (struct dev_data *dev)
@ -1955,7 +1955,7 @@ module_param (default_perm, uint, 0644);
static struct inode * static struct inode *
gadgetfs_make_inode (struct super_block *sb, gadgetfs_make_inode (struct super_block *sb,
void *data, struct file_operations *fops, void *data, const struct file_operations *fops,
int mode) int mode)
{ {
struct inode *inode = new_inode (sb); struct inode *inode = new_inode (sb);
@ -1979,7 +1979,7 @@ gadgetfs_make_inode (struct super_block *sb,
*/ */
static struct inode * static struct inode *
gadgetfs_create_file (struct super_block *sb, char const *name, gadgetfs_create_file (struct super_block *sb, char const *name,
void *data, struct file_operations *fops, void *data, const struct file_operations *fops,
struct dentry **dentry_p) struct dentry **dentry_p)
{ {
struct dentry *dentry; struct dentry *dentry;

4
fs/char_dev.c
View File

@ -250,7 +250,7 @@ int alloc_chrdev_region(dev_t *dev, unsigned baseminor, unsigned count,
} }
int register_chrdev(unsigned int major, const char *name, int register_chrdev(unsigned int major, const char *name,
struct file_operations *fops) const struct file_operations *fops)
{ {
struct char_device_struct *cd; struct char_device_struct *cd;
struct cdev *cdev; struct cdev *cdev;
@ -473,7 +473,7 @@ struct cdev *cdev_alloc(void)
return p; return p;
} }
void cdev_init(struct cdev *cdev, struct file_operations *fops) void cdev_init(struct cdev *cdev, const struct file_operations *fops)
{ {
memset(cdev, 0, sizeof *cdev); memset(cdev, 0, sizeof *cdev);
INIT_LIST_HEAD(&cdev->list); INIT_LIST_HEAD(&cdev->list);

2
fs/debugfs/inode.c
View File

@ -191,7 +191,7 @@ static int debugfs_create_by_name(const char *name, mode_t mode,
*/ */
struct dentry *debugfs_create_file(const char *name, mode_t mode, struct dentry *debugfs_create_file(const char *name, mode_t mode,
struct dentry *parent, void *data, struct dentry *parent, void *data,
struct file_operations *fops) const struct file_operations *fops)
{ {
struct dentry *dentry = NULL; struct dentry *dentry = NULL;
int error; int error;

2
fs/inode.c
View File

@ -104,7 +104,7 @@ static struct inode *alloc_inode(struct super_block *sb)
{ {
static struct address_space_operations empty_aops; static struct address_space_operations empty_aops;
static struct inode_operations empty_iops; static struct inode_operations empty_iops;
static struct file_operations empty_fops; static const struct file_operations empty_fops;
struct inode *inode; struct inode *inode;
if (sb->s_op->alloc_inode) if (sb->s_op->alloc_inode)

2
fs/nfsd/vfs.c
View File

@ -706,7 +706,7 @@ nfsd_close(struct file *filp)
* after it. * after it.
*/ */
static inline int nfsd_dosync(struct file *filp, struct dentry *dp, static inline int nfsd_dosync(struct file *filp, struct dentry *dp,
struct file_operations *fop) const struct file_operations *fop)
{ {
struct inode *inode = dp->d_inode; struct inode *inode = dp->d_inode;
int (*fsync) (struct file *, struct dentry *, int); int (*fsync) (struct file *, struct dentry *, int);

2
fs/proc/generic.c
View File

@ -560,7 +560,7 @@ static void proc_kill_inodes(struct proc_dir_entry *de)
struct file * filp = list_entry(p, struct file, f_u.fu_list); struct file * filp = list_entry(p, struct file, f_u.fu_list);
struct dentry * dentry = filp->f_dentry; struct dentry * dentry = filp->f_dentry;
struct inode * inode; struct inode * inode;
struct file_operations *fops; const struct file_operations *fops;
if (dentry->d_op != &proc_dentry_operations) if (dentry->d_op != &proc_dentry_operations)
continue; continue;

2
fs/proc/internal.h
View File

@ -30,7 +30,7 @@ do { \
#endif #endif
extern void create_seq_entry(char *name, mode_t mode, struct file_operations *f); extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f);
extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **); extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **);
extern int proc_tid_stat(struct task_struct *, char *); extern int proc_tid_stat(struct task_struct *, char *);
extern int proc_tgid_stat(struct task_struct *, char *); extern int proc_tgid_stat(struct task_struct *, char *);

2
fs/proc/proc_misc.c
View File

@ -731,7 +731,7 @@ static struct file_operations proc_sysrq_trigger_operations = {
struct proc_dir_entry *proc_root_kcore; struct proc_dir_entry *proc_root_kcore;
void create_seq_entry(char *name, mode_t mode, struct file_operations *f) void create_seq_entry(char *name, mode_t mode, const struct file_operations *f)
{ {
struct proc_dir_entry *entry; struct proc_dir_entry *entry;
entry = create_proc_entry(name, mode, NULL); entry = create_proc_entry(name, mode, NULL);

2
fs/select.c
View File

@ -220,7 +220,7 @@ int do_select(int n, fd_set_bits *fds, s64 *timeout)
for (i = 0; i < n; ++rinp, ++routp, ++rexp) { for (i = 0; i < n; ++rinp, ++routp, ++rexp) {
unsigned long in, out, ex, all_bits, bit = 1, mask, j; unsigned long in, out, ex, all_bits, bit = 1, mask, j;
unsigned long res_in = 0, res_out = 0, res_ex = 0; unsigned long res_in = 0, res_out = 0, res_ex = 0;
struct file_operations *f_op = NULL; const struct file_operations *f_op = NULL;
struct file *file = NULL; struct file *file = NULL;
in = *inp++; out = *outp++; ex = *exp++; in = *inp++; out = *outp++; ex = *exp++;

4
include/linux/cdev.h
View File

@ -5,13 +5,13 @@
struct cdev { struct cdev {
struct kobject kobj; struct kobject kobj;
struct module *owner; struct module *owner;
struct file_operations *ops; const struct file_operations *ops;
struct list_head list; struct list_head list;
dev_t dev; dev_t dev;
unsigned int count; unsigned int count;
}; };
void cdev_init(struct cdev *, struct file_operations *); void cdev_init(struct cdev *, const struct file_operations *);
struct cdev *cdev_alloc(void); struct cdev *cdev_alloc(void);

2
include/linux/debugfs.h
View File

@ -29,7 +29,7 @@ struct debugfs_blob_wrapper {
#if defined(CONFIG_DEBUG_FS) #if defined(CONFIG_DEBUG_FS)
struct dentry *debugfs_create_file(const char *name, mode_t mode, struct dentry *debugfs_create_file(const char *name, mode_t mode,
struct dentry *parent, void *data, struct dentry *parent, void *data,
struct file_operations *fops); const struct file_operations *fops);
struct dentry *debugfs_create_dir(const char *name, struct dentry *parent); struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);

6
include/linux/fs.h
View File

@ -496,7 +496,7 @@ struct inode {
struct mutex i_mutex; struct mutex i_mutex;
struct rw_semaphore i_alloc_sem; struct rw_semaphore i_alloc_sem;
struct inode_operations *i_op; struct inode_operations *i_op;
struct file_operations *i_fop; /* former ->i_op->default_file_ops */ const struct file_operations *i_fop; /* former ->i_op->default_file_ops */
struct super_block *i_sb; struct super_block *i_sb;
struct file_lock *i_flock; struct file_lock *i_flock;
struct address_space *i_mapping; struct address_space *i_mapping;
@ -636,7 +636,7 @@ struct file {
} f_u; } f_u;
struct dentry *f_dentry; struct dentry *f_dentry;
struct vfsmount *f_vfsmnt; struct vfsmount *f_vfsmnt;
struct file_operations *f_op; const struct file_operations *f_op;
atomic_t f_count; atomic_t f_count;
unsigned int f_flags; unsigned int f_flags;
mode_t f_mode; mode_t f_mode;
@ -1414,7 +1414,7 @@ extern void bd_release_from_disk(struct block_device *, struct gendisk *);
extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *); extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *);
extern int register_chrdev_region(dev_t, unsigned, const char *); extern int register_chrdev_region(dev_t, unsigned, const char *);
extern int register_chrdev(unsigned int, const char *, extern int register_chrdev(unsigned int, const char *,
struct file_operations *); const struct file_operations *);
extern int unregister_chrdev(unsigned int, const char *); extern int unregister_chrdev(unsigned int, const char *);
extern void unregister_chrdev_region(dev_t, unsigned); extern void unregister_chrdev_region(dev_t, unsigned);
extern int chrdev_open(struct inode *, struct file *); extern int chrdev_open(struct inode *, struct file *);

2
include/linux/input.h
View File

@ -957,7 +957,7 @@ struct input_handler {
struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id); struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id);
void (*disconnect)(struct input_handle *handle); void (*disconnect)(struct input_handle *handle);
struct file_operations *fops; const struct file_operations *fops;
int minor; int minor;
char *name; char *name;

2
include/linux/miscdevice.h
View File

@ -36,7 +36,7 @@ struct class_device;
struct miscdevice { struct miscdevice {
int minor; int minor;
const char *name; const char *name;
struct file_operations *fops; const struct file_operations *fops;
struct list_head list; struct list_head list;
struct device *dev; struct device *dev;
struct class_device *class; struct class_device *class;

4
include/linux/oprofile.h
View File

@ -84,10 +84,10 @@ void oprofile_add_trace(unsigned long eip);
* the specified file operations. * the specified file operations.
*/ */
int oprofilefs_create_file(struct super_block * sb, struct dentry * root, int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
char const * name, struct file_operations * fops); char const * name, const struct file_operations * fops);
int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root, int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root,
char const * name, struct file_operations * fops, int perm); char const * name, const struct file_operations * fops, int perm);
/** Create a file for read/write access to an unsigned long. */ /** Create a file for read/write access to an unsigned long. */
int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root, int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root,

4
include/linux/proc_fs.h
View File

@ -58,7 +58,7 @@ struct proc_dir_entry {
gid_t gid; gid_t gid;
loff_t size; loff_t size;
struct inode_operations * proc_iops; struct inode_operations * proc_iops;
struct file_operations * proc_fops; const struct file_operations * proc_fops;
get_info_t *get_info; get_info_t *get_info;
struct module *owner; struct module *owner;
struct proc_dir_entry *next, *parent, *subdir; struct proc_dir_entry *next, *parent, *subdir;
@ -189,7 +189,7 @@ static inline struct proc_dir_entry *proc_net_create(const char *name,
} }
static inline struct proc_dir_entry *proc_net_fops_create(const char *name, static inline struct proc_dir_entry *proc_net_fops_create(const char *name,
mode_t mode, struct file_operations *fops) mode_t mode, const struct file_operations *fops)
{ {
struct proc_dir_entry *res = create_proc_entry(name, mode, proc_net); struct proc_dir_entry *res = create_proc_entry(name, mode, proc_net);
if (res) if (res)

12
include/linux/sound.h
View File

@ -30,12 +30,12 @@
*/ */
struct device; struct device;
extern int register_sound_special(struct file_operations *fops, int unit); extern int register_sound_special(const struct file_operations *fops, int unit);
extern int register_sound_special_device(struct file_operations *fops, int unit, struct device *dev); extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
extern int register_sound_mixer(struct file_operations *fops, int dev); extern int register_sound_mixer(const struct file_operations *fops, int dev);
extern int register_sound_midi(struct file_operations *fops, int dev); extern int register_sound_midi(const struct file_operations *fops, int dev);
extern int register_sound_dsp(struct file_operations *fops, int dev); extern int register_sound_dsp(const struct file_operations *fops, int dev);
extern int register_sound_synth(struct file_operations *fops, int dev); extern int register_sound_synth(const struct file_operations *fops, int dev);
extern void unregister_sound_special(int unit); extern void unregister_sound_special(int unit);
extern void unregister_sound_mixer(int unit); extern void unregister_sound_mixer(int unit);

4
include/linux/sunrpc/stats.h
View File

@ -50,7 +50,7 @@ struct proc_dir_entry * rpc_proc_register(struct rpc_stat *);
void rpc_proc_unregister(const char *); void rpc_proc_unregister(const char *);
void rpc_proc_zero(struct rpc_program *); void rpc_proc_zero(struct rpc_program *);
struct proc_dir_entry * svc_proc_register(struct svc_stat *, struct proc_dir_entry * svc_proc_register(struct svc_stat *,
struct file_operations *); const struct file_operations *);
void svc_proc_unregister(const char *); void svc_proc_unregister(const char *);
void svc_seq_show(struct seq_file *, void svc_seq_show(struct seq_file *,
@ -65,7 +65,7 @@ static inline void rpc_proc_unregister(const char *p) {}
static inline void rpc_proc_zero(struct rpc_program *p) {} static inline void rpc_proc_zero(struct rpc_program *p) {}
static inline struct proc_dir_entry *svc_proc_register(struct svc_stat *s, static inline struct proc_dir_entry *svc_proc_register(struct svc_stat *s,
struct file_operations *f) { return NULL; } const struct file_operations *f) { return NULL; }
static inline void svc_proc_unregister(const char *p) {} static inline void svc_proc_unregister(const char *p) {}
static inline void svc_seq_show(struct seq_file *seq, static inline void svc_seq_show(struct seq_file *seq,

2
include/linux/usb.h
View File

@ -615,7 +615,7 @@ extern struct bus_type usb_bus_type;
*/ */
struct usb_class_driver { struct usb_class_driver {
char *name; char *name;
struct file_operations *fops; const struct file_operations *fops;
int minor_base; int minor_base;
}; };

2
include/linux/videodev2.h
View File

@ -75,7 +75,7 @@ struct video_device
int minor; int minor;
/* device ops + callbacks */ /* device ops + callbacks */
struct file_operations *fops; const struct file_operations *fops;
void (*release)(struct video_device *vfd); void (*release)(struct video_device *vfd);

6
include/sound/core.h
View File

@ -186,7 +186,7 @@ struct snd_minor {
int type; /* SNDRV_DEVICE_TYPE_XXX */ int type; /* SNDRV_DEVICE_TYPE_XXX */
int card; /* card number */ int card; /* card number */
int device; /* device number */ int device; /* device number */
struct file_operations *f_ops; /* file operations */ const struct file_operations *f_ops; /* file operations */
void *private_data; /* private data for f_ops->open */ void *private_data; /* private data for f_ops->open */
char name[0]; /* device name (keep at the end of char name[0]; /* device name (keep at the end of
structure) */ structure) */
@ -200,14 +200,14 @@ extern int snd_ecards_limit;
void snd_request_card(int card); void snd_request_card(int card);
int snd_register_device(int type, struct snd_card *card, int dev, int snd_register_device(int type, struct snd_card *card, int dev,
struct file_operations *f_ops, void *private_data, const struct file_operations *f_ops, void *private_data,
const char *name); const char *name);
int snd_unregister_device(int type, struct snd_card *card, int dev); int snd_unregister_device(int type, struct snd_card *card, int dev);
void *snd_lookup_minor_data(unsigned int minor, int type); void *snd_lookup_minor_data(unsigned int minor, int type);
#ifdef CONFIG_SND_OSSEMUL #ifdef CONFIG_SND_OSSEMUL
int snd_register_oss_device(int type, struct snd_card *card, int dev, int snd_register_oss_device(int type, struct snd_card *card, int dev,
struct file_operations *f_ops, void *private_data, const struct file_operations *f_ops, void *private_data,
const char *name); const char *name);
int snd_unregister_oss_device(int type, struct snd_card *card, int dev); int snd_unregister_oss_device(int type, struct snd_card *card, int dev);
void *snd_lookup_oss_minor_data(unsigned int minor, int type); void *snd_lookup_oss_minor_data(unsigned int minor, int type);

2
net/sunrpc/rpc_pipe.c
View File

@ -395,7 +395,7 @@ enum {
*/ */
struct rpc_filelist { struct rpc_filelist {
char *name; char *name;
struct file_operations *i_fop; const struct file_operations *i_fop;
int mode; int mode;
}; };

4
net/sunrpc/stats.c
View File

@ -225,7 +225,7 @@ EXPORT_SYMBOL(rpc_print_iostats);
* Register/unregister RPC proc files * Register/unregister RPC proc files
*/ */
static inline struct proc_dir_entry * static inline struct proc_dir_entry *
do_register(const char *name, void *data, struct file_operations *fops) do_register(const char *name, void *data, const struct file_operations *fops)
{ {
struct proc_dir_entry *ent; struct proc_dir_entry *ent;
@ -253,7 +253,7 @@ rpc_proc_unregister(const char *name)
} }
struct proc_dir_entry * struct proc_dir_entry *
svc_proc_register(struct svc_stat *statp, struct file_operations *fops) svc_proc_register(struct svc_stat *statp, const struct file_operations *fops)
{ {
return do_register(statp->program->pg_name, statp, fops); return do_register(statp->program->pg_name, statp, fops);
} }

3
sound/core/init.c
View File

@ -223,7 +223,8 @@ int snd_card_disconnect(struct snd_card *card)
struct snd_monitor_file *mfile; struct snd_monitor_file *mfile;
struct file *file; struct file *file;
struct snd_shutdown_f_ops *s_f_ops; struct snd_shutdown_f_ops *s_f_ops;
struct file_operations *f_ops, *old_f_ops; struct file_operations *f_ops;
const struct file_operations *old_f_ops;
int err; int err;
spin_lock(&card->files_lock); spin_lock(&card->files_lock);

4
sound/core/sound.c
View File

@ -137,7 +137,7 @@ static int snd_open(struct inode *inode, struct file *file)
{ {
unsigned int minor = iminor(inode); unsigned int minor = iminor(inode);
struct snd_minor *mptr = NULL; struct snd_minor *mptr = NULL;
struct file_operations *old_fops; const struct file_operations *old_fops;
int err = 0; int err = 0;
if (minor >= ARRAY_SIZE(snd_minors)) if (minor >= ARRAY_SIZE(snd_minors))
@ -240,7 +240,7 @@ static int snd_kernel_minor(int type, struct snd_card *card, int dev)
* Retrurns zero if successful, or a negative error code on failure. * Retrurns zero if successful, or a negative error code on failure.
*/ */
int snd_register_device(int type, struct snd_card *card, int dev, int snd_register_device(int type, struct snd_card *card, int dev,
struct file_operations *f_ops, void *private_data, const struct file_operations *f_ops, void *private_data,
const char *name) const char *name)
{ {
int minor; int minor;

2
sound/core/sound_oss.c
View File

@ -95,7 +95,7 @@ static int snd_oss_kernel_minor(int type, struct snd_card *card, int dev)
} }
int snd_register_oss_device(int type, struct snd_card *card, int dev, int snd_register_oss_device(int type, struct snd_card *card, int dev,
struct file_operations *f_ops, void *private_data, const struct file_operations *f_ops, void *private_data,
const char *name) const char *name)
{ {
int minor = snd_oss_kernel_minor(type, card, dev); int minor = snd_oss_kernel_minor(type, card, dev);

22
sound/sound_core.c
View File

@ -53,7 +53,7 @@
struct sound_unit struct sound_unit
{ {
int unit_minor; int unit_minor;
struct file_operations *unit_fops; const struct file_operations *unit_fops;
struct sound_unit *next; struct sound_unit *next;
char name[32]; char name[32];
}; };
@ -73,7 +73,7 @@ EXPORT_SYMBOL(sound_class);
* join into it. Called with the lock asserted * join into it. Called with the lock asserted
*/ */
static int __sound_insert_unit(struct sound_unit * s, struct sound_unit **list, struct file_operations *fops, int index, int low, int top) static int __sound_insert_unit(struct sound_unit * s, struct sound_unit **list, const struct file_operations *fops, int index, int low, int top)
{ {
int n=low; int n=low;
@ -153,7 +153,7 @@ static DEFINE_SPINLOCK(sound_loader_lock);
* list. Acquires locks as needed * list. Acquires locks as needed
*/ */
static int sound_insert_unit(struct sound_unit **list, struct file_operations *fops, int index, int low, int top, const char *name, umode_t mode, struct device *dev) static int sound_insert_unit(struct sound_unit **list, const struct file_operations *fops, int index, int low, int top, const char *name, umode_t mode, struct device *dev)
{ {
struct sound_unit *s = kmalloc(sizeof(*s), GFP_KERNEL); struct sound_unit *s = kmalloc(sizeof(*s), GFP_KERNEL);
int r; int r;
@ -237,7 +237,7 @@ static struct sound_unit *chains[SOUND_STEP];
* a negative error code is returned. * a negative error code is returned.
*/ */
int register_sound_special_device(struct file_operations *fops, int unit, int register_sound_special_device(const struct file_operations *fops, int unit,
struct device *dev) struct device *dev)
{ {
const int chain = unit % SOUND_STEP; const int chain = unit % SOUND_STEP;
@ -301,7 +301,7 @@ int register_sound_special_device(struct file_operations *fops, int unit,
EXPORT_SYMBOL(register_sound_special_device); EXPORT_SYMBOL(register_sound_special_device);
int register_sound_special(struct file_operations *fops, int unit) int register_sound_special(const struct file_operations *fops, int unit)
{ {
return register_sound_special_device(fops, unit, NULL); return register_sound_special_device(fops, unit, NULL);
} }
@ -318,7 +318,7 @@ EXPORT_SYMBOL(register_sound_special);
* number is returned, on failure a negative error code is returned. * number is returned, on failure a negative error code is returned.
*/ */
int register_sound_mixer(struct file_operations *fops, int dev) int register_sound_mixer(const struct file_operations *fops, int dev)
{ {
return sound_insert_unit(&chains[0], fops, dev, 0, 128, return sound_insert_unit(&chains[0], fops, dev, 0, 128,
"mixer", S_IRUSR | S_IWUSR, NULL); "mixer", S_IRUSR | S_IWUSR, NULL);
@ -336,7 +336,7 @@ EXPORT_SYMBOL(register_sound_mixer);
* number is returned, on failure a negative error code is returned. * number is returned, on failure a negative error code is returned.
*/ */
int register_sound_midi(struct file_operations *fops, int dev) int register_sound_midi(const struct file_operations *fops, int dev)
{ {
return sound_insert_unit(&chains[2], fops, dev, 2, 130, return sound_insert_unit(&chains[2], fops, dev, 2, 130,
"midi", S_IRUSR | S_IWUSR, NULL); "midi", S_IRUSR | S_IWUSR, NULL);
@ -362,7 +362,7 @@ EXPORT_SYMBOL(register_sound_midi);
* and will always allocate them as a matching pair - eg dsp3/audio3 * and will always allocate them as a matching pair - eg dsp3/audio3
*/ */
int register_sound_dsp(struct file_operations *fops, int dev) int register_sound_dsp(const struct file_operations *fops, int dev)
{ {
return sound_insert_unit(&chains[3], fops, dev, 3, 131, return sound_insert_unit(&chains[3], fops, dev, 3, 131,
"dsp", S_IWUSR | S_IRUSR, NULL); "dsp", S_IWUSR | S_IRUSR, NULL);
@ -381,7 +381,7 @@ EXPORT_SYMBOL(register_sound_dsp);
*/ */
int register_sound_synth(struct file_operations *fops, int dev) int register_sound_synth(const struct file_operations *fops, int dev)
{ {
return sound_insert_unit(&chains[9], fops, dev, 9, 137, return sound_insert_unit(&chains[9], fops, dev, 9, 137,
"synth", S_IRUSR | S_IWUSR, NULL); "synth", S_IRUSR | S_IWUSR, NULL);
@ -501,7 +501,7 @@ int soundcore_open(struct inode *inode, struct file *file)
int chain; int chain;
int unit = iminor(inode); int unit = iminor(inode);
struct sound_unit *s; struct sound_unit *s;
struct file_operations *new_fops = NULL; const struct file_operations *new_fops = NULL;
chain=unit&0x0F; chain=unit&0x0F;
if(chain==4 || chain==5) /* dsp/audio/dsp16 */ if(chain==4 || chain==5) /* dsp/audio/dsp16 */
@ -540,7 +540,7 @@ int soundcore_open(struct inode *inode, struct file *file)
* switching ->f_op in the first place. * switching ->f_op in the first place.
*/ */
int err = 0; int err = 0;
struct file_operations *old_fops = file->f_op; const struct file_operations *old_fops = file->f_op;
file->f_op = new_fops; file->f_op = new_fops;
spin_unlock(&sound_loader_lock); spin_unlock(&sound_loader_lock);
if(file->f_op->open) if(file->f_op->open)