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whack-a-mole: constifying struct path *

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Merge tag 'pull-path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs constification updates from Al Viro:
 "whack-a-mole: constifying struct path *"

* tag 'pull-path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  ecryptfs: constify path
  spufs: constify path
  nd_jump_link(): constify path
  audit_init_parent(): constify path
  __io_setxattr(): constify path
  do_proc_readlink(): constify path
  overlayfs: constify path
  fs/notify: constify path
  may_linkat(): constify path
  do_sys_name_to_handle(): constify path
  ->getprocattr(): attribute name is const char *, TYVM...
This commit is contained in:
Linus Torvalds 2022-10-06 17:31:02 -07:00
commit 4c0ed7d8d6
30 changed files with 70 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/powerpc/platforms/cell/spufs/inode.c
View File

@ -275,7 +275,7 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
return ret; return ret;
} }
static int spufs_context_open(struct path *path) static int spufs_context_open(const struct path *path)
{ {
int ret; int ret;
struct file *filp; struct file *filp;
@ -491,7 +491,7 @@ out:
return ret; return ret;
} }
static int spufs_gang_open(struct path *path) static int spufs_gang_open(const struct path *path)
{ {
int ret; int ret;
struct file *filp; struct file *filp;
@ -536,7 +536,7 @@ static int spufs_create_gang(struct inode *inode,
static struct file_system_type spufs_type; static struct file_system_type spufs_type;
long spufs_create(struct path *path, struct dentry *dentry, long spufs_create(const struct path *path, struct dentry *dentry,
unsigned int flags, umode_t mode, struct file *filp) unsigned int flags, umode_t mode, struct file *filp)
{ {
struct inode *dir = d_inode(path->dentry); struct inode *dir = d_inode(path->dentry);

2
arch/powerpc/platforms/cell/spufs/spufs.h
View File

@ -232,7 +232,7 @@ extern const struct spufs_tree_descr spufs_dir_debug_contents[];
extern struct spufs_calls spufs_calls; extern struct spufs_calls spufs_calls;
struct coredump_params; struct coredump_params;
long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *status); long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *status);
long spufs_create(struct path *nd, struct dentry *dentry, unsigned int flags, long spufs_create(const struct path *nd, struct dentry *dentry, unsigned int flags,
umode_t mode, struct file *filp); umode_t mode, struct file *filp);
/* ELF coredump callbacks for writing SPU ELF notes */ /* ELF coredump callbacks for writing SPU ELF notes */
extern int spufs_coredump_extra_notes_size(void); extern int spufs_coredump_extra_notes_size(void);

2
fs/ecryptfs/ecryptfs_kernel.h
View File

@ -506,7 +506,7 @@ ecryptfs_dentry_to_lower(struct dentry *dentry)
return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.dentry; return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.dentry;
} }
static inline struct path * static inline const struct path *
ecryptfs_dentry_to_lower_path(struct dentry *dentry) ecryptfs_dentry_to_lower_path(struct dentry *dentry)
{ {
return &((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path; return &((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path;

2
fs/ecryptfs/file.c
View File

@ -33,7 +33,7 @@ static ssize_t ecryptfs_read_update_atime(struct kiocb *iocb,
struct iov_iter *to) struct iov_iter *to)
{ {
ssize_t rc; ssize_t rc;
struct path *path; const struct path *path;
struct file *file = iocb->ki_filp; struct file *file = iocb->ki_filp;
rc = generic_file_read_iter(iocb, to); rc = generic_file_read_iter(iocb, to);

2
fs/ecryptfs/inode.c
View File

@ -317,7 +317,7 @@ static int ecryptfs_i_size_read(struct dentry *dentry, struct inode *inode)
static struct dentry *ecryptfs_lookup_interpose(struct dentry *dentry, static struct dentry *ecryptfs_lookup_interpose(struct dentry *dentry,
struct dentry *lower_dentry) struct dentry *lower_dentry)
{ {
struct path *path = ecryptfs_dentry_to_lower_path(dentry->d_parent); const struct path *path = ecryptfs_dentry_to_lower_path(dentry->d_parent);
struct inode *inode, *lower_inode; struct inode *inode, *lower_inode;
struct ecryptfs_dentry_info *dentry_info; struct ecryptfs_dentry_info *dentry_info;
int rc = 0; int rc = 0;

2
fs/ecryptfs/main.c
View File

@ -105,7 +105,7 @@ static int ecryptfs_init_lower_file(struct dentry *dentry,
struct file **lower_file) struct file **lower_file)
{ {
const struct cred *cred = current_cred(); const struct cred *cred = current_cred();
struct path *path = ecryptfs_dentry_to_lower_path(dentry); const struct path *path = ecryptfs_dentry_to_lower_path(dentry);
int rc; int rc;
rc = ecryptfs_privileged_open(lower_file, path->dentry, path->mnt, rc = ecryptfs_privileged_open(lower_file, path->dentry, path->mnt,

2
fs/fhandle.c
View File

@ -14,7 +14,7 @@
#include "internal.h" #include "internal.h"
#include "mount.h" #include "mount.h"
static long do_sys_name_to_handle(struct path *path, static long do_sys_name_to_handle(const struct path *path,
struct file_handle __user *ufh, struct file_handle __user *ufh,
int __user *mnt_id) int __user *mnt_id)
{ {

2
fs/internal.h
View File

@ -63,7 +63,7 @@ extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
const char *, unsigned int, struct path *); const char *, unsigned int, struct path *);
int do_rmdir(int dfd, struct filename *name); int do_rmdir(int dfd, struct filename *name);
int do_unlinkat(int dfd, struct filename *name); int do_unlinkat(int dfd, struct filename *name);
int may_linkat(struct user_namespace *mnt_userns, struct path *link); int may_linkat(struct user_namespace *mnt_userns, const struct path *link);
int do_renameat2(int olddfd, struct filename *oldname, int newdfd, int do_renameat2(int olddfd, struct filename *oldname, int newdfd,
struct filename *newname, unsigned int flags); struct filename *newname, unsigned int flags);
int do_mkdirat(int dfd, struct filename *name, umode_t mode); int do_mkdirat(int dfd, struct filename *name, umode_t mode);

4
fs/namei.c
View File

@ -986,7 +986,7 @@ static int nd_jump_root(struct nameidata *nd)
* Helper to directly jump to a known parsed path from ->get_link, * Helper to directly jump to a known parsed path from ->get_link,
* caller must have taken a reference to path beforehand. * caller must have taken a reference to path beforehand.
*/ */
int nd_jump_link(struct path *path) int nd_jump_link(const struct path *path)
{ {
int error = -ELOOP; int error = -ELOOP;
struct nameidata *nd = current->nameidata; struct nameidata *nd = current->nameidata;
@ -1178,7 +1178,7 @@ static bool safe_hardlink_source(struct user_namespace *mnt_userns,
* *
* Returns 0 if successful, -ve on error. * Returns 0 if successful, -ve on error.
*/ */
int may_linkat(struct user_namespace *mnt_userns, struct path *link) int may_linkat(struct user_namespace *mnt_userns, const struct path *link)
{ {
struct inode *inode = link->dentry->d_inode; struct inode *inode = link->dentry->d_inode;

2
fs/notify/fanotify/fanotify.c
View File

@ -18,7 +18,7 @@
#include "fanotify.h" #include "fanotify.h"
static bool fanotify_path_equal(struct path *p1, struct path *p2) static bool fanotify_path_equal(const struct path *p1, const struct path *p2)
{ {
return p1->mnt == p2->mnt && p1->dentry == p2->dentry; return p1->mnt == p2->mnt && p1->dentry == p2->dentry;
} }

2
fs/notify/fanotify/fanotify.h
View File

@ -458,7 +458,7 @@ static inline bool fanotify_event_has_path(struct fanotify_event *event)
event->type == FANOTIFY_EVENT_TYPE_PATH_PERM; event->type == FANOTIFY_EVENT_TYPE_PATH_PERM;
} }
static inline struct path *fanotify_event_path(struct fanotify_event *event) static inline const struct path *fanotify_event_path(struct fanotify_event *event)
{ {
if (event->type == FANOTIFY_EVENT_TYPE_PATH) if (event->type == FANOTIFY_EVENT_TYPE_PATH)
return &FANOTIFY_PE(event)->path; return &FANOTIFY_PE(event)->path;

6
fs/notify/fanotify/fanotify_user.c
View File

@ -249,7 +249,7 @@ out:
return event; return event;
} }
static int create_fd(struct fsnotify_group *group, struct path *path, static int create_fd(struct fsnotify_group *group, const struct path *path,
struct file **file) struct file **file)
{ {
int client_fd; int client_fd;
@ -619,7 +619,7 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group,
char __user *buf, size_t count) char __user *buf, size_t count)
{ {
struct fanotify_event_metadata metadata; struct fanotify_event_metadata metadata;
struct path *path = fanotify_event_path(event); const struct path *path = fanotify_event_path(event);
struct fanotify_info *info = fanotify_event_info(event); struct fanotify_info *info = fanotify_event_info(event);
unsigned int info_mode = FAN_GROUP_FLAG(group, FANOTIFY_INFO_MODES); unsigned int info_mode = FAN_GROUP_FLAG(group, FANOTIFY_INFO_MODES);
unsigned int pidfd_mode = info_mode & FAN_REPORT_PIDFD; unsigned int pidfd_mode = info_mode & FAN_REPORT_PIDFD;
@ -1553,7 +1553,7 @@ static int fanotify_test_fid(struct dentry *dentry)
} }
static int fanotify_events_supported(struct fsnotify_group *group, static int fanotify_events_supported(struct fsnotify_group *group,
struct path *path, __u64 mask, const struct path *path, __u64 mask,
unsigned int flags) unsigned int flags)
{ {
unsigned int mark_type = flags & FANOTIFY_MARK_TYPE_BITS; unsigned int mark_type = flags & FANOTIFY_MARK_TYPE_BITS;

12
fs/overlayfs/copy_up.c
View File

@ -44,7 +44,7 @@ static bool ovl_must_copy_xattr(const char *name)
!strncmp(name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN); !strncmp(name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN);
} }
int ovl_copy_xattr(struct super_block *sb, struct path *oldpath, struct dentry *new) int ovl_copy_xattr(struct super_block *sb, const struct path *oldpath, struct dentry *new)
{ {
struct dentry *old = oldpath->dentry; struct dentry *old = oldpath->dentry;
ssize_t list_size, size, value_size = 0; ssize_t list_size, size, value_size = 0;
@ -132,8 +132,8 @@ out:
return error; return error;
} }
static int ovl_copy_fileattr(struct inode *inode, struct path *old, static int ovl_copy_fileattr(struct inode *inode, const struct path *old,
struct path *new) const struct path *new)
{ {
struct fileattr oldfa = { .flags_valid = true }; struct fileattr oldfa = { .flags_valid = true };
struct fileattr newfa = { .flags_valid = true }; struct fileattr newfa = { .flags_valid = true };
@ -193,8 +193,8 @@ static int ovl_copy_fileattr(struct inode *inode, struct path *old,
return ovl_real_fileattr_set(new, &newfa); return ovl_real_fileattr_set(new, &newfa);
} }
static int ovl_copy_up_data(struct ovl_fs *ofs, struct path *old, static int ovl_copy_up_data(struct ovl_fs *ofs, const struct path *old,
struct path *new, loff_t len) const struct path *new, loff_t len)
{ {
struct file *old_file; struct file *old_file;
struct file *new_file; struct file *new_file;
@ -872,7 +872,7 @@ static bool ovl_need_meta_copy_up(struct dentry *dentry, umode_t mode,
return true; return true;
} }
static ssize_t ovl_getxattr_value(struct path *path, char *name, char **value) static ssize_t ovl_getxattr_value(const struct path *path, char *name, char **value)
{ {
ssize_t res; ssize_t res;
char *buf; char *buf;

2
fs/overlayfs/file.c
View File

@ -38,7 +38,7 @@ static char ovl_whatisit(struct inode *inode, struct inode *realinode)
#define OVL_OPEN_FLAGS (O_NOATIME | FMODE_NONOTIFY) #define OVL_OPEN_FLAGS (O_NOATIME | FMODE_NONOTIFY)
static struct file *ovl_open_realfile(const struct file *file, static struct file *ovl_open_realfile(const struct file *file,
struct path *realpath) const struct path *realpath)
{ {
struct inode *realinode = d_inode(realpath->dentry); struct inode *realinode = d_inode(realpath->dentry);
struct inode *inode = file_inode(file); struct inode *inode = file_inode(file);

6
fs/overlayfs/inode.c
View File

@ -588,7 +588,7 @@ static int ovl_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
* Introducing security_inode_fileattr_get/set() hooks would solve this issue * Introducing security_inode_fileattr_get/set() hooks would solve this issue
* properly. * properly.
*/ */
static int ovl_security_fileattr(struct path *realpath, struct fileattr *fa, static int ovl_security_fileattr(const struct path *realpath, struct fileattr *fa,
bool set) bool set)
{ {
struct file *file; struct file *file;
@ -610,7 +610,7 @@ static int ovl_security_fileattr(struct path *realpath, struct fileattr *fa,
return err; return err;
} }
int ovl_real_fileattr_set(struct path *realpath, struct fileattr *fa) int ovl_real_fileattr_set(const struct path *realpath, struct fileattr *fa)
{ {
int err; int err;
@ -685,7 +685,7 @@ static void ovl_fileattr_prot_flags(struct inode *inode, struct fileattr *fa)
} }
} }
int ovl_real_fileattr_get(struct path *realpath, struct fileattr *fa) int ovl_real_fileattr_get(const struct path *realpath, struct fileattr *fa)
{ {
int err; int err;

4
fs/overlayfs/namei.c
View File

@ -26,7 +26,7 @@ struct ovl_lookup_data {
bool metacopy; bool metacopy;
}; };
static int ovl_check_redirect(struct path *path, struct ovl_lookup_data *d, static int ovl_check_redirect(const struct path *path, struct ovl_lookup_data *d,
size_t prelen, const char *post) size_t prelen, const char *post)
{ {
int res; int res;
@ -194,7 +194,7 @@ struct dentry *ovl_decode_real_fh(struct ovl_fs *ofs, struct ovl_fh *fh,
return real; return real;
} }
static bool ovl_is_opaquedir(struct ovl_fs *ofs, struct path *path) static bool ovl_is_opaquedir(struct ovl_fs *ofs, const struct path *path)
{ {
return ovl_path_check_dir_xattr(ofs, path, OVL_XATTR_OPAQUE); return ovl_path_check_dir_xattr(ofs, path, OVL_XATTR_OPAQUE);
} }

22
fs/overlayfs/overlayfs.h
View File

@ -208,7 +208,7 @@ static inline int ovl_do_symlink(struct ovl_fs *ofs,
return err; return err;
} }
static inline ssize_t ovl_do_getxattr(struct path *path, const char *name, static inline ssize_t ovl_do_getxattr(const struct path *path, const char *name,
void *value, size_t size) void *value, size_t size)
{ {
int err, len; int err, len;
@ -238,7 +238,7 @@ static inline ssize_t ovl_getxattr_upper(struct ovl_fs *ofs,
} }
static inline ssize_t ovl_path_getxattr(struct ovl_fs *ofs, static inline ssize_t ovl_path_getxattr(struct ovl_fs *ofs,
struct path *path, const struct path *path,
enum ovl_xattr ox, void *value, enum ovl_xattr ox, void *value,
size_t size) size_t size)
{ {
@ -401,13 +401,13 @@ void ovl_inode_update(struct inode *inode, struct dentry *upperdentry);
void ovl_dir_modified(struct dentry *dentry, bool impurity); void ovl_dir_modified(struct dentry *dentry, bool impurity);
u64 ovl_dentry_version_get(struct dentry *dentry); u64 ovl_dentry_version_get(struct dentry *dentry);
bool ovl_is_whiteout(struct dentry *dentry); bool ovl_is_whiteout(struct dentry *dentry);
struct file *ovl_path_open(struct path *path, int flags); struct file *ovl_path_open(const struct path *path, int flags);
int ovl_copy_up_start(struct dentry *dentry, int flags); int ovl_copy_up_start(struct dentry *dentry, int flags);
void ovl_copy_up_end(struct dentry *dentry); void ovl_copy_up_end(struct dentry *dentry);
bool ovl_already_copied_up(struct dentry *dentry, int flags); bool ovl_already_copied_up(struct dentry *dentry, int flags);
bool ovl_path_check_dir_xattr(struct ovl_fs *ofs, struct path *path, bool ovl_path_check_dir_xattr(struct ovl_fs *ofs, const struct path *path,
enum ovl_xattr ox); enum ovl_xattr ox);
bool ovl_path_check_origin_xattr(struct ovl_fs *ofs, struct path *path); bool ovl_path_check_origin_xattr(struct ovl_fs *ofs, const struct path *path);
static inline bool ovl_check_origin_xattr(struct ovl_fs *ofs, static inline bool ovl_check_origin_xattr(struct ovl_fs *ofs,
struct dentry *upperdentry) struct dentry *upperdentry)
@ -430,9 +430,9 @@ bool ovl_need_index(struct dentry *dentry);
int ovl_nlink_start(struct dentry *dentry); int ovl_nlink_start(struct dentry *dentry);
void ovl_nlink_end(struct dentry *dentry); void ovl_nlink_end(struct dentry *dentry);
int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *upperdir); int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *upperdir);
int ovl_check_metacopy_xattr(struct ovl_fs *ofs, struct path *path); int ovl_check_metacopy_xattr(struct ovl_fs *ofs, const struct path *path);
bool ovl_is_metacopy_dentry(struct dentry *dentry); bool ovl_is_metacopy_dentry(struct dentry *dentry);
char *ovl_get_redirect_xattr(struct ovl_fs *ofs, struct path *path, int padding); char *ovl_get_redirect_xattr(struct ovl_fs *ofs, const struct path *path, int padding);
int ovl_sync_status(struct ovl_fs *ofs); int ovl_sync_status(struct ovl_fs *ofs);
static inline void ovl_set_flag(unsigned long flag, struct inode *inode) static inline void ovl_set_flag(unsigned long flag, struct inode *inode)
@ -556,7 +556,7 @@ void ovl_cleanup_whiteouts(struct ovl_fs *ofs, struct dentry *upper,
struct list_head *list); struct list_head *list);
void ovl_cache_free(struct list_head *list); void ovl_cache_free(struct list_head *list);
void ovl_dir_cache_free(struct inode *inode); void ovl_dir_cache_free(struct inode *inode);
int ovl_check_d_type_supported(struct path *realpath); int ovl_check_d_type_supported(const struct path *realpath);
int ovl_workdir_cleanup(struct ovl_fs *ofs, struct inode *dir, int ovl_workdir_cleanup(struct ovl_fs *ofs, struct inode *dir,
struct vfsmount *mnt, struct dentry *dentry, int level); struct vfsmount *mnt, struct dentry *dentry, int level);
int ovl_indexdir_cleanup(struct ovl_fs *ofs); int ovl_indexdir_cleanup(struct ovl_fs *ofs);
@ -673,8 +673,8 @@ struct dentry *ovl_create_temp(struct ovl_fs *ofs, struct dentry *workdir,
extern const struct file_operations ovl_file_operations; extern const struct file_operations ovl_file_operations;
int __init ovl_aio_request_cache_init(void); int __init ovl_aio_request_cache_init(void);
void ovl_aio_request_cache_destroy(void); void ovl_aio_request_cache_destroy(void);
int ovl_real_fileattr_get(struct path *realpath, struct fileattr *fa); int ovl_real_fileattr_get(const struct path *realpath, struct fileattr *fa);
int ovl_real_fileattr_set(struct path *realpath, struct fileattr *fa); int ovl_real_fileattr_set(const struct path *realpath, struct fileattr *fa);
int ovl_fileattr_get(struct dentry *dentry, struct fileattr *fa); int ovl_fileattr_get(struct dentry *dentry, struct fileattr *fa);
int ovl_fileattr_set(struct user_namespace *mnt_userns, int ovl_fileattr_set(struct user_namespace *mnt_userns,
struct dentry *dentry, struct fileattr *fa); struct dentry *dentry, struct fileattr *fa);
@ -683,7 +683,7 @@ int ovl_fileattr_set(struct user_namespace *mnt_userns,
int ovl_copy_up(struct dentry *dentry); int ovl_copy_up(struct dentry *dentry);
int ovl_copy_up_with_data(struct dentry *dentry); int ovl_copy_up_with_data(struct dentry *dentry);
int ovl_maybe_copy_up(struct dentry *dentry, int flags); int ovl_maybe_copy_up(struct dentry *dentry, int flags);
int ovl_copy_xattr(struct super_block *sb, struct path *path, struct dentry *new); int ovl_copy_xattr(struct super_block *sb, const struct path *path, struct dentry *new);
int ovl_set_attr(struct ovl_fs *ofs, struct dentry *upper, struct kstat *stat); int ovl_set_attr(struct ovl_fs *ofs, struct dentry *upper, struct kstat *stat);
struct ovl_fh *ovl_encode_real_fh(struct ovl_fs *ofs, struct dentry *real, struct ovl_fh *ovl_encode_real_fh(struct ovl_fs *ofs, struct dentry *real,
bool is_upper); bool is_upper);

16
fs/overlayfs/readdir.c
View File

@ -264,7 +264,7 @@ static bool ovl_fill_merge(struct dir_context *ctx, const char *name,
return ovl_fill_lowest(rdd, name, namelen, offset, ino, d_type); return ovl_fill_lowest(rdd, name, namelen, offset, ino, d_type);
} }
static int ovl_check_whiteouts(struct path *path, struct ovl_readdir_data *rdd) static int ovl_check_whiteouts(const struct path *path, struct ovl_readdir_data *rdd)
{ {
int err; int err;
struct ovl_cache_entry *p; struct ovl_cache_entry *p;
@ -291,7 +291,7 @@ static int ovl_check_whiteouts(struct path *path, struct ovl_readdir_data *rdd)
return err; return err;
} }
static inline int ovl_dir_read(struct path *realpath, static inline int ovl_dir_read(const struct path *realpath,
struct ovl_readdir_data *rdd) struct ovl_readdir_data *rdd)
{ {
struct file *realfile; struct file *realfile;
@ -455,7 +455,7 @@ static u64 ovl_remap_lower_ino(u64 ino, int xinobits, int fsid,
* copy up origin, call vfs_getattr() on the overlay entry to make * copy up origin, call vfs_getattr() on the overlay entry to make
* sure that d_ino will be consistent with st_ino from stat(2). * sure that d_ino will be consistent with st_ino from stat(2).
*/ */
static int ovl_cache_update_ino(struct path *path, struct ovl_cache_entry *p) static int ovl_cache_update_ino(const struct path *path, struct ovl_cache_entry *p)
{ {
struct dentry *dir = path->dentry; struct dentry *dir = path->dentry;
@ -547,7 +547,7 @@ static bool ovl_fill_plain(struct dir_context *ctx, const char *name,
return true; return true;
} }
static int ovl_dir_read_impure(struct path *path, struct list_head *list, static int ovl_dir_read_impure(const struct path *path, struct list_head *list,
struct rb_root *root) struct rb_root *root)
{ {
int err; int err;
@ -592,7 +592,7 @@ static int ovl_dir_read_impure(struct path *path, struct list_head *list,
return 0; return 0;
} }
static struct ovl_dir_cache *ovl_cache_get_impure(struct path *path) static struct ovl_dir_cache *ovl_cache_get_impure(const struct path *path)
{ {
int res; int res;
struct dentry *dentry = path->dentry; struct dentry *dentry = path->dentry;
@ -834,7 +834,7 @@ out_unlock:
} }
static struct file *ovl_dir_open_realfile(const struct file *file, static struct file *ovl_dir_open_realfile(const struct file *file,
struct path *realpath) const struct path *realpath)
{ {
struct file *res; struct file *res;
const struct cred *old_cred; const struct cred *old_cred;
@ -1048,7 +1048,7 @@ static bool ovl_check_d_type(struct dir_context *ctx, const char *name,
* Returns 1 if d_type is supported, 0 not supported/unknown. Negative values * Returns 1 if d_type is supported, 0 not supported/unknown. Negative values
* if error is encountered. * if error is encountered.
*/ */
int ovl_check_d_type_supported(struct path *realpath) int ovl_check_d_type_supported(const struct path *realpath)
{ {
int err; int err;
struct ovl_readdir_data rdd = { struct ovl_readdir_data rdd = {
@ -1065,7 +1065,7 @@ int ovl_check_d_type_supported(struct path *realpath)
#define OVL_INCOMPATDIR_NAME "incompat" #define OVL_INCOMPATDIR_NAME "incompat"
static int ovl_workdir_cleanup_recurse(struct ovl_fs *ofs, struct path *path, static int ovl_workdir_cleanup_recurse(struct ovl_fs *ofs, const struct path *path,
int level) int level)
{ {
int err; int err;

8
fs/overlayfs/super.c
View File

@ -908,7 +908,7 @@ static int ovl_mount_dir(const char *name, struct path *path)
return err; return err;
} }
static int ovl_check_namelen(struct path *path, struct ovl_fs *ofs, static int ovl_check_namelen(const struct path *path, struct ovl_fs *ofs,
const char *name) const char *name)
{ {
struct kstatfs statfs; struct kstatfs statfs;
@ -1366,7 +1366,7 @@ static int ovl_create_volatile_dirty(struct ovl_fs *ofs)
} }
static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs, static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs,
struct path *workpath) const struct path *workpath)
{ {
struct vfsmount *mnt = ovl_upper_mnt(ofs); struct vfsmount *mnt = ovl_upper_mnt(ofs);
struct dentry *temp, *workdir; struct dentry *temp, *workdir;
@ -1495,7 +1495,7 @@ out:
} }
static int ovl_get_workdir(struct super_block *sb, struct ovl_fs *ofs, static int ovl_get_workdir(struct super_block *sb, struct ovl_fs *ofs,
struct path *upperpath) const struct path *upperpath)
{ {
int err; int err;
struct path workpath = { }; struct path workpath = { };
@ -1538,7 +1538,7 @@ out:
} }
static int ovl_get_indexdir(struct super_block *sb, struct ovl_fs *ofs, static int ovl_get_indexdir(struct super_block *sb, struct ovl_fs *ofs,
struct ovl_entry *oe, struct path *upperpath) struct ovl_entry *oe, const struct path *upperpath)
{ {
struct vfsmount *mnt = ovl_upper_mnt(ofs); struct vfsmount *mnt = ovl_upper_mnt(ofs);
struct dentry *indexdir; struct dentry *indexdir;

10
fs/overlayfs/util.c
View File

@ -490,7 +490,7 @@ bool ovl_is_whiteout(struct dentry *dentry)
return inode && IS_WHITEOUT(inode); return inode && IS_WHITEOUT(inode);
} }
struct file *ovl_path_open(struct path *path, int flags) struct file *ovl_path_open(const struct path *path, int flags)
{ {
struct inode *inode = d_inode(path->dentry); struct inode *inode = d_inode(path->dentry);
struct user_namespace *real_mnt_userns = mnt_user_ns(path->mnt); struct user_namespace *real_mnt_userns = mnt_user_ns(path->mnt);
@ -578,7 +578,7 @@ void ovl_copy_up_end(struct dentry *dentry)
ovl_inode_unlock(d_inode(dentry)); ovl_inode_unlock(d_inode(dentry));
} }
bool ovl_path_check_origin_xattr(struct ovl_fs *ofs, struct path *path) bool ovl_path_check_origin_xattr(struct ovl_fs *ofs, const struct path *path)
{ {
int res; int res;
@ -591,7 +591,7 @@ bool ovl_path_check_origin_xattr(struct ovl_fs *ofs, struct path *path)
return false; return false;
} }
bool ovl_path_check_dir_xattr(struct ovl_fs *ofs, struct path *path, bool ovl_path_check_dir_xattr(struct ovl_fs *ofs, const struct path *path,
enum ovl_xattr ox) enum ovl_xattr ox)
{ {
int res; int res;
@ -971,7 +971,7 @@ err:
} }
/* err < 0, 0 if no metacopy xattr, 1 if metacopy xattr found */ /* err < 0, 0 if no metacopy xattr, 1 if metacopy xattr found */
int ovl_check_metacopy_xattr(struct ovl_fs *ofs, struct path *path) int ovl_check_metacopy_xattr(struct ovl_fs *ofs, const struct path *path)
{ {
int res; int res;
@ -1015,7 +1015,7 @@ bool ovl_is_metacopy_dentry(struct dentry *dentry)
return (oe->numlower > 1); return (oe->numlower > 1);
} }
char *ovl_get_redirect_xattr(struct ovl_fs *ofs, struct path *path, int padding) char *ovl_get_redirect_xattr(struct ovl_fs *ofs, const struct path *path, int padding)
{ {
int res; int res;
char *s, *next, *buf = NULL; char *s, *next, *buf = NULL;

4
fs/proc/base.c
View File

@ -1761,7 +1761,7 @@ out:
return ERR_PTR(error); return ERR_PTR(error);
} }
static int do_proc_readlink(struct path *path, char __user *buffer, int buflen) static int do_proc_readlink(const struct path *path, char __user *buffer, int buflen)
{ {
char *tmp = kmalloc(PATH_MAX, GFP_KERNEL); char *tmp = kmalloc(PATH_MAX, GFP_KERNEL);
char *pathname; char *pathname;
@ -2728,7 +2728,7 @@ static ssize_t proc_pid_attr_read(struct file * file, char __user * buf,
return -ESRCH; return -ESRCH;
length = security_getprocattr(task, PROC_I(inode)->op.lsm, length = security_getprocattr(task, PROC_I(inode)->op.lsm,
(char*)file->f_path.dentry->d_name.name, file->f_path.dentry->d_name.name,
&p); &p);
put_task_struct(task); put_task_struct(task);
if (length > 0) if (length > 0)

2
include/linux/lsm_hook_defs.h
View File

@ -254,7 +254,7 @@ LSM_HOOK(int, 0, sem_semop, struct kern_ipc_perm *perm, struct sembuf *sops,
LSM_HOOK(int, 0, netlink_send, struct sock *sk, struct sk_buff *skb) LSM_HOOK(int, 0, netlink_send, struct sock *sk, struct sk_buff *skb)
LSM_HOOK(void, LSM_RET_VOID, d_instantiate, struct dentry *dentry, LSM_HOOK(void, LSM_RET_VOID, d_instantiate, struct dentry *dentry,
struct inode *inode) struct inode *inode)
LSM_HOOK(int, -EINVAL, getprocattr, struct task_struct *p, char *name, LSM_HOOK(int, -EINVAL, getprocattr, struct task_struct *p, const char *name,
char **value) char **value)
LSM_HOOK(int, -EINVAL, setprocattr, const char *name, void *value, size_t size) LSM_HOOK(int, -EINVAL, setprocattr, const char *name, void *value, size_t size)
LSM_HOOK(int, 0, ismaclabel, const char *name) LSM_HOOK(int, 0, ismaclabel, const char *name)

2
include/linux/namei.h
View File

@ -83,7 +83,7 @@ extern int follow_up(struct path *);
extern struct dentry *lock_rename(struct dentry *, struct dentry *); extern struct dentry *lock_rename(struct dentry *, struct dentry *);
extern void unlock_rename(struct dentry *, struct dentry *); extern void unlock_rename(struct dentry *, struct dentry *);
extern int __must_check nd_jump_link(struct path *path); extern int __must_check nd_jump_link(const struct path *path);
static inline void nd_terminate_link(void *name, size_t len, size_t maxlen) static inline void nd_terminate_link(void *name, size_t len, size_t maxlen)
{ {

4
include/linux/security.h
View File

@ -462,7 +462,7 @@ int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops, int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
unsigned nsops, int alter); unsigned nsops, int alter);
void security_d_instantiate(struct dentry *dentry, struct inode *inode); void security_d_instantiate(struct dentry *dentry, struct inode *inode);
int security_getprocattr(struct task_struct *p, const char *lsm, char *name, int security_getprocattr(struct task_struct *p, const char *lsm, const char *name,
char **value); char **value);
int security_setprocattr(const char *lsm, const char *name, void *value, int security_setprocattr(const char *lsm, const char *name, void *value,
size_t size); size_t size);
@ -1307,7 +1307,7 @@ static inline void security_d_instantiate(struct dentry *dentry,
{ } { }
static inline int security_getprocattr(struct task_struct *p, const char *lsm, static inline int security_getprocattr(struct task_struct *p, const char *lsm,
char *name, char **value) const char *name, char **value)
{ {
return -EINVAL; return -EINVAL;
} }

2
io_uring/xattr.c
View File

@ -206,7 +206,7 @@ int io_fsetxattr_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
} }
static int __io_setxattr(struct io_kiocb *req, unsigned int issue_flags, static int __io_setxattr(struct io_kiocb *req, unsigned int issue_flags,
struct path *path) const struct path *path)
{ {
struct io_xattr *ix = io_kiocb_to_cmd(req, struct io_xattr); struct io_xattr *ix = io_kiocb_to_cmd(req, struct io_xattr);
int ret; int ret;

2
kernel/audit_watch.c
View File

@ -133,7 +133,7 @@ int audit_watch_compare(struct audit_watch *watch, unsigned long ino, dev_t dev)
} }
/* Initialize a parent watch entry. */ /* Initialize a parent watch entry. */
static struct audit_parent *audit_init_parent(struct path *path) static struct audit_parent *audit_init_parent(const struct path *path)
{ {
struct inode *inode = d_backing_inode(path->dentry); struct inode *inode = d_backing_inode(path->dentry);
struct audit_parent *parent; struct audit_parent *parent;

2
security/apparmor/lsm.c
View File

@ -614,7 +614,7 @@ static int apparmor_sb_pivotroot(const struct path *old_path,
return error; return error;
} }
static int apparmor_getprocattr(struct task_struct *task, char *name, static int apparmor_getprocattr(struct task_struct *task, const char *name,
char **value) char **value)
{ {
int error = -ENOENT; int error = -ENOENT;

4
security/security.c
View File

@ -2062,8 +2062,8 @@ void security_d_instantiate(struct dentry *dentry, struct inode *inode)
} }
EXPORT_SYMBOL(security_d_instantiate); EXPORT_SYMBOL(security_d_instantiate);
int security_getprocattr(struct task_struct *p, const char *lsm, char *name, int security_getprocattr(struct task_struct *p, const char *lsm,
char **value) const char *name, char **value)
{ {
struct security_hook_list *hp; struct security_hook_list *hp;

2
security/selinux/hooks.c
View File

@ -6330,7 +6330,7 @@ static void selinux_d_instantiate(struct dentry *dentry, struct inode *inode)
} }
static int selinux_getprocattr(struct task_struct *p, static int selinux_getprocattr(struct task_struct *p,
char *name, char **value) const char *name, char **value)
{ {
const struct task_security_struct *__tsec; const struct task_security_struct *__tsec;
u32 sid; u32 sid;

2
security/smack/smack_lsm.c
View File

@ -3493,7 +3493,7 @@ static void smack_d_instantiate(struct dentry *opt_dentry, struct inode *inode)
* *
* Returns the length of the smack label or an error code * Returns the length of the smack label or an error code
*/ */
static int smack_getprocattr(struct task_struct *p, char *name, char **value) static int smack_getprocattr(struct task_struct *p, const char *name, char **value)
{ {
struct smack_known *skp = smk_of_task_struct_obj(p); struct smack_known *skp = smk_of_task_struct_obj(p);
char *cp; char *cp;